Technical program at-a-glance

Plenary lectures (MacLaggan Hall 105)

Wednesday, May 21st

11:05 GAC® Plenary lecture by Prof. A.E. Williams-Jones (McGill Univ.): "Metals, vapours and volcanoes"
11:30 GAC® Presidential Address by Richard Wardle (Biography):"Geoscience in Canada; the Best of Times, the Worst of Times"

Thursday, May 22

11:05 MAC 2014 Peacock Medallist Prof. Don R. Baker (McGill Univ): "Geochemomineralogy: our investigations of igneous processes through laboratory experiments and computer simulations" Read the abstract here (68kb .pdf)
11:30 MAC Presidential Address by Prof. Lee Groat (UBC):  "Gem deposit exploration and potential in Canada" 

Friday, May 23rd

11:05 2014 Logan Medallist Prof. Andrew Miall (Univ. of Toronto): "The environmental management of unconventional resources: lessons learned from the oil sands" Read the abstract here (69kb .pdf)

11:30 Andrew Kerr (Geological Survey of Newfoundland and Labrador) "Holmes and the Indelicate Question: Measuring the Depth of Time with the Clocks of the Earth" Read the abstract here (149kb .pdf)

Symposia

SY1. Evolution of the Appalachian-Caledonide-Variscan and correlative orogens: Recent developments
Conveners: Reg Wilson; Cees van Staal; Brendan Murphy; Sandra Barr

The Appalachian, Caledonide, and Variscan orogens record the opening and closure of the Iapetus and Rheic oceans, the accretion of exotic terranes, and the terminal continental collisions that gave rise to the supercontinent Pangea in the Late Paleozoic. Correlative orogenic belts worldwide record comparable evolutions that provide valuable constraints on events leading to the assembly and amalgamation of Pangea. Recent developments have shifted attention from the documentation of events to an understanding of the mechanisms responsible for them. We encourage the presentation of new and exciting data and ideas concerning the evolution of the Appalachian-Caledonide-Variscan orogens and the processes that formed them.  cjesWe also encourage talks on other Paleozoic mountain belts in order to stimulate discussions and provide insights into potential geodynamic connections among them. Sponsored by: GAC® and Canadian Science Publishing (NRC Research Press

This symposium is linked to pre-meeting field trip A2 and post-meeting field trip B6 (see below)

SY2. Properties, processes and phenomena of strain localization in the lithosphere: from mantle shear to volcanic eruption
Conveners: Joe White; L.A. Kennedy; J.K Russell | clancy@unb.ca

Keynotes by: Christie Rowe (McGill University) and Yan Lavallee (University of Liverpool)

The aim of this symposium is to encourage interaction between the various earth science fields interested in the rheological behaviour of earth materials under stress. Contributions are invited from process-related field and experimental research on strain localization in the crust and mantle, independent of traditional discipline.  Areas of interest include brittle-ductile transitions in earth materials, magma shear and fracturing, the influence of aseismic deformation on seismic rupture, physical properties controlling localization, controls on fault rupture (fluids, melts, gels), landslide initiation, localization of magma emplacement and volcanic extrusion. Sponsored by: GAC®

SY3. Tectonic processes: a Geoscience Canada symposium to celebrate the career of Andrew Hynes
Conveners: Brendan Murphy; Stephen Johnston; Boswell Wing | bmurphy@stfx.ca 
| stj@uvic.ca

This symposium celebrates the career of Andrew Hynes. For more than 40 years, Andrew has contributed to fundamental concepts in geosciences, from Archean to present, from mineralogy and petrology, to structural geology, tectonics, geodynamics and geophysics. His research consistently penetrates to the very core of our science, deals with fundamental processes, and devises critical tests to produce novel and plausible insights. By conducting independent, rigorous research on first-order issues, he has been an outstanding mentor and role model for generations of students.  Through his own research and his mentorship of students, his contribution to the geosciences has been immense.  We welcome contributions from all who have collaborated with Andrew, or who have been influenced by his research or his mentorship. Sponsored by: GAC®

SY4. Environmental and Economic Significance of Gossans Associated with Mineralization in Rifts and Large Igneous Provinces
Conveners: Marie-Claude Williamson; Jeff Harris; Cole Kingsbury

Gossans preserve anomalous concentrations of metals that are routinely investigated in the search for new ore bodies. Under certain conditions, gossans also constitute analogues of mine waste deposits. On a regional scale, the streams, lakes and permafrost that are affected by the unusual mineralogy of gossans provide indicators of environmental impact. This session will highlight recent research on gossans as natural laboratories used in environmental geosciences and metallogeny with special emphasis on their genesis in continental rift settings and flood basalt provinces. We welcome multidisciplinary scientific and technical reports on a wide range of topics including: the mapping of gossans by remote sensing in arid climates and polar regions; mineralogy and geochemistry of surficial deposits; models of development; environmental impacts; and economic geology.  Sponsored by: Environmental Earth Sciences Division/GAC®

SY5. Gold in 2014: A holistic review
Conveners: Dan Kontak; Richard Goldfarb; Gema Olivo; Bruno Lafrance; Benoit Dube; Craig Hart, Bob Linnen; Robert Creaser | dkontak@laurentian.ca

There has been considerable advances made in recent years towards constraining models applied to our understanding of the genesis of gold deposit types due to the integration of field studies with new analytical methods. The purpose of this session is to examine the current understanding of all gold deposit types from several perspectives and we encourage presentations that focus on the following themes: space-time-lithological correlations and controls on gold deposits and terrane endowment; structural controls from terrane boundaries to deposit scales; advances in deposit classification and characterization; application of analytical methods (e.g., mineral chemistry/fluid inclusions/isotopes) to deposit formation; application of geochronometers to constraining the timing and duration of deposit formation. Sponsored by: GAC®-MDD

SY6. Applied aspects of mineralogy: A tribute to John Leslie Jambor
Conveners: Bob Martin; David Blowes; Tom Al

Invited speakers: Peter Burns (University of Notre Dame) | D. Kirk Nordstrom (United States Geological Survey) | Dogan Paktunc (Mining and Mineral Sciences Laboratories CANMET, Ottawa)

John Jambor was a scientist of distinction who lived life to the fullest, not only contributing significantly to his scientific endeavors and collaborations, but building strong and lasting friendships in the process.  John published widely, making important contributions in the fields of mineralogy, petrology, crystallography, and mineral deposits.  John also contributed to the Earth sciences through his editorial duties, of which the most significant are Scientific Editor of The Canadian Mineralogist (1971–1975); Co-Editor, The Canadian Mineralogist (1975–1977); New Minerals Editor, American Mineralogist (1989–2007); Consulting Editor for Exploration and Mining Geology (1991–1999). He was also editor or co-editor of seven special issues, short courses and related books, as well as series editor for five Mineralogical Association of Canada short courses. 

Consistent with John’s career interests, we are inviting contributions that span a wide range of applied mineralogy, including new minerals, mineralogical characterization, ore mineralogy and low-temperature mineralogy related to mine-waste materials.  We particularly welcome contributions in line with John’s earlier career interests in ore mineralogy.  Please join us in honouring John’s illustrious career. We do plan a thematic issue of The Canadian Mineralogist dedicated to John. Note that attendance at the 2014 GAC®MAC meeting is not a prerequisite to contribute to the volume! However, the editor, Prof. Lee A. Groat, requests that manuscripts be made ready for submission at the time of the meeting (or soon thereafter). Sponsored by: MAC

SY7. Super-continent Cycles: The Influence of Geodynamics on Ore-Forming Processes
Conveners: Luke Ootes; Bruce Eglington; Kevin Ansdell; Toby Rivers, Sally Pehrrson

Keynotes by: David Evans (Yale University) | David Huston (Geoscience Australia) | Dwight Bradley (U.S. Geological Survey) | Sally Pehrsoon (Geological Survey of Canada) 

Supercontinent amalgamation and fragmentation are surface manifestations of the continued tectonic activity on Earth and were major factors determining the distribution and timing of orogenesis, ore deposit formation and the environments in which life evolved. This theme will bring together cross-disciplinary presentations which investigate the nature and timing of formation and breakup of supercontinents and supercratons Nuna, Rodinia, and Pangea/Gondwana, the influence they have had on mineralization, the structure of Earth as we see it today, changes in the atmosphere and oceans and the development of life.

 


Special Sessions

(please note some changes have been made to the final program SS numbering)

SS1. The Dynamics and Facies Characteristics of Tidal Mud Deposits
Conveners: Elisabeth Kosters and Bob Dalrymple | eckosters@hotmail.com, dalrymple@geol.queensu.ca

Keynote by: Brent Law (Dept. Fisheries and Oceans Canada, Dartmouth)

The dynamics of the transport and deposition of fine-grained sediment is complex and conditions vary on a wide range of time scales, from the scale of the turbulence within the flow to annual and longer periods.  The role of high-density suspensions in the extraction of mud from the water column and its transfer to the sediment bed, and the role of organisms, ranging from microbes to benthic invertebrates, in the deposition of muddy sediments and their post-depositional modification remain only imperfectly understood.  Recent work indicates, however, that mud deposition is far more complex than many geologists have appreciated.  Within the resulting deposits, our ability to reconstruct the conditions under which an individual mud deposit formed is rudimentary by comparison with what can be deduced from sandy deposits, although great strides have been made in recent years.  This Special Session is open to contributions on any aspect of the transport and deposition of fine-grained sediment in tidal settings, and the environmental interpretation of the muddy deposits, modern or ancient, formed by these processes.  This session is intended as a forum for the exchange of information and ideas between process-oriented scientists and the geologists who study such deposits in the rock record. This session will also be an ideal introduction to the companion post-conference field trip to the Bay of Fundy, on which muddy deposits in a wide range of tidal environments will be examined. Sponsored by: AGS/GAC®

SS2. Metalliferous black shales: Resolving among various metal sources
Conveners: Andrey Bekker; Clint Scott; Dave Lentz | bekker@cc.umanitoba.ca

Many black shales contain economic concentrations of base and platinum-group elements. However, the ultimate sources of these metals and the processes that led to their metal enrichment are poorly understood. Among the mechanisms proposed for metal enrichments are scavenging from seawater at depositional sites with extremely low sedimentation rates, derivation from fallen giant iron meteorites, delivery with hydrothermal fluids circulating through unconsolidated sediments and with petroleum fluids generated upon contact of igneous intrusions with organic matter-rich sediments. The geochemical and sedimentological criteria required to resolve among these sources are not well defined. We invite broadly based contributions on sedimentology, geochemistry, tectonic setting, and basin analysis focused on the theme of metalliferous shales. Sponsored by: GAC®

SS3. Discovering the next generation of porphyry deposits: advancements in locating and understanding hidden intrusion related mineralisation
Conveners: Neil Rogers; Bob Anderson; John Chapman; Dawn Kellett; Beth McClenaghan; Alain Plouffe | Neil.Rogers@NRCan-RNCan.gc.ca

Porphyry-style deposits are the world’s foremost sources for Cu, Mo, W and Sn, plus major sources of Au, Ag, and PGEs. They are typically large, low- to medium-grade deposits hosted within and near distinctive intrusive phases. Metal content is diverse and reflects tectonic settings; Cu and Cu-Mo deposits are relatively abundant in island- and continental-arc terranes, whereas Mo and W-Mo deposits are associated with extension of continental crust. This Special Session will investigate their genetic controls and distal footprints that identify hidden economic porphyry-style deposits by highlighting new ways to predict, identify, model, and evaluate fertile intrusive mineralizing systems. Themes will include tectonic settings, structural controls, mineral and fluid inclusion compositions, and surficial and biogeochemical indicators of covered and deep porphyry deposits. Sponsored by: GSC.

This special session is associated with TGI-4 sponsored pre-meeting field trip A5 (see below).

SS4. Geoscience Professionalism 2014:  Issues, responsibilities and information – what’s new, that you need to know?

Conveners: Annie Daigle; Paul Rennick; Oliver Bonham | paul.rennick@gnb.ca

The profession of geoscience around the world is looked upon by governments, by industry and by academic institutions to assist with the setting of standards for communication of geoscience information relevant to public safety, sustainable development and capital investment; it is also looked upon to ensure that training of geoscientists achieves the academic outcomes, skills and competencies necessary for modern, safe and effective practice. Geoscientists, as P.Geo’s, are independently and publically accountable for all the work they do in serving the needs of society.  They have a duty, not only to stay abreast of new scientific developments and advances in technology in their area of expertise and for an every changing workplace, but also, to be informed of evolving affairs concerning their profession. 

This annual session is intended to again provide topical information to the geoscience community and practitioners alike about professionalism and ethics in geoscience in Canada and globally, trends toward professional registration, greater public protection and accountability. Students, those preparing to become P.Geo’s, as well as those preparing others to become P.Geo’s, should also find this session to be highly informative.

Papers are invited that relate to any aspect of competencies, admissions for registration, professionalism and ethics in Earth science - in all its practice contexts, be they local, regional, national or global

Supported by: Geoscientists Canada; Engineers and Geoscientists New Brunswick 

The profession of geoscience around the world is looked upon by governments, by industry and by academic institutions to assist with the setting of standards for communication of geoscience information relevant to public safety, sustainable development and capital investment; it is also looked upon to ensure that training of geoscientists achieves the academic outcomes, skills and competencies necessary for modern, safe and effective practice. Geoscientists, as P.Geo’s, are independently and publically accountable for all the work they do in serving the needs of society.  They have a duty, not only to stay abreast of new scientific developments and advances in technology in their area of expertise and for an every changing workplace, but also, to be informed of evolving affairs concerning their profession. 

This annual session is intended to again provide topical information to the geoscience community and practitioners alike about professionalism and ethics in geoscience in Canada and globally, trends toward professional registration, greater public protection and accountability. Students, those preparing to become P.Geo’s, as well as those preparing others to become P.Geo’s, should also find this session to be highly informative.

Papers are invited that relate to any aspect of competencies, admissions for registration, professionalism and ethics in Earth science - in all its practice contexts, be they local, regional, national or global

Supported by: Geoscientists Canada; Engineers and Geoscientists New Brunswick 

SS5. Granites and Crustal Evolution: Acadian-Caledonian connections
Conveners: Dave Gibson; Mike Dorais; Martin Feely | dgibson@maine.edu

Granites (sensu lato) play an important role in the assembly of the continental crust. An integral part of collisional tectonics is the melting of crustal material, at various levels, and the subsequent ascent and emplacement of that magma to differing levels of the crust. In this session we would welcome contributions that examine - source melting and the role of mantle input, the ascent and emplacement of magmas, magma chamber dynamics, host-magma interactions and granite metallogeny along and across the extent of the Acadian- Caledonian belt. Sponsored by: GAC®

SS6. Volcanology: Volcanic Processes, Products and Relation to Economic Resources
Conveners: Rodney Allen; harold Gibson | rodney.allen@ltu.se | hgibson@laurentian.ca

Volcanism spans an incredible and fascinating range in age, style, setting and composition, and together with subvolcanic processes is a driving force for the formation of a range of metallic ore deposits, industrial mineral deposits and geothermal energy. In this scientific session we seek contributions from geologists, geochemists, geophysicists and mineral explorationists on all aspects of volcanism and subvolcanic processes, volcanic rocks, high-level subvolcanic intrusions, and their relationships with associated economic resources. Sponsored by: GAC®-MDD

SS7. Uranium ore genesis and exploration at depth
Conveners: Eric Potter;Dave Quirt; Kurt Kyser | Eric.Potter@NRCan-RNCan.gc.ca | David.Quirt@areva.ca | kyser@geol.queensu.ca

With uranium exploration in Canada shifting towards greater depths, advances in our understanding of the key factors leading to localization of ore-bearing fluids and formation of uranium ore bodies is essential for increased exploration effectiveness.  Building on these advances, new exploration methods applying the unique geochemical and geophysical properties of uranium ore systems likely hold the most promise for success.  This session invites submissions outlining advances in our understanding of uranium ore systems with a focus on developing the next generation of exploration methods. Sponsored by: GAC®-MDD

SS8. Geoscience and management of radioactive waste in deep geological repositories
Conveners: Julie Brown, Canadian Nuclear Safety Commission; Mostafa Fayek; Vicki Remenda

Countries with nuclear capabilities are in search of a solution for the safe disposal of high-level nuclear waste (HLNW). Currently, the Canadian strategy is to dispose of HLNW in deep geological repositories and as a result, Canada is re-establishing its research programs on deep geologic storage. This session will focus on current research related to geologic disposal and storage of HLNW generated by the nuclear fuel cycle. We invite contributions from various disciplines, including, but not limited to, geochemistry, geomechanics and hydrogeology, and from various institutions including regulatory agencies and government, waste management organizations, and academia

SS9. Natural hazards and risk
Conveners: Bruce Broster; Peter Bobrowsky; John Clague | broster@unb.ca

This session features recent research on hazardous natural processes in Canada.   We seek papers on earthquakes, tsunamis, landslides, snow avalanches, floods or sever weather.  Many historic natural disasters have resulted in considerable economic loss and casualties, and hazardous phenomena continue to damage local and regional infrastructure. We invite contributions that address natural hazards as well as those contributions that provide insight into local, regional, or national vulnerability to disasters in the context of the country’s growing population and changing climate. We welcome presentations representing the perspectives of physical and social scientists and others (i.e. emergency responders, catastrophic-event managers, planners, etc.). Sponsored by: GAC®

SS10. Geoscience for Environmental Management
Conveners: Brian Marker; Jonas Satkunas; Ben Mapani | brian@amarker.fresserve.co.uk

Geoscience has an important part to play in environmental management and planning but is often neglected by administrators, planners and the general public leading to inefficient use of land and resources, increased risks from natural hazards and unnecessary damage to the environment. This session will focus on approaches to using and communicating geoscience information to achieve more sustainable development, including capacity building and adaptation to social, economic and environmental change. Sponsored by: IUGS 

SS11. Remote Predictive Mapping for Geological and Geomorphological Mapping
Conveners: J.R. Harris, B. Leblon, A. LaRocque, H. Russell, V. Singhroy | Jeff.Harris@NRCan-RNCan.gc.ca

This session will entertain papers that have developed techniques or have applied remote predictive mapping techniques for geological mapping or associated geoscience applications. Topics of interest would include the application of various types of remotely sensed imagery (including geophysics, optical, radar, hyperspectral and LiDAR) to bedrock, surficial, geomorphic and alteration mapping as applications directed towards hazards such as landslides, permafrost, floodings and earthquakes. Topic involving mineral potential mapping (2D or 3D) techniques and application studies will also be included. Sponsored by: GAC® and CGRG.

This special session is linked with the proposed post-meeting workshop on remote predictive mapping (see below)

SS12. Conventional and Unconventional Petroleum Systems of Eastern North America
Conveners: Grant Wach; Denis Lavoie; Robert Milici | Grant.Wach@dal.ca | delavoie@nrcan.gc.ca

Eastern North America and Frontier petroleum systems include conventional and unconventional hydrocarbon resources and cover a range of exploration and development opportunities; from onshore tight gas sands and shale opportunities, to new exploration activity offshore Atlantic Canada and the Canadian Arctic. This session will examine both the opportunities and the challenges that these developments provide.

SS13. Sedimentary signatures of tectonic events
Conveners: Elisabeth Turner; Robert MacNaughton; Heinrich Bahlburg; Brian R. Pratt | eturner@laurentian.ca

Tectonic setting and history are fundamental controls on the morphology, facies, architecture and resource potential of sedimentary basins. This special session will highlight new work on the interplay of sedimentation and tectonics at all scales, from profound tectonic unconformities to subtle effects of epeirogeny, from the deformation caused by earthquakes to the emplacement of individual beds attributable to tsunamis, and from development of facies belts along uplifts to distal signals of uplift in source areas. The session is inspired by New Brunswick's rich stratigraphic record, which was deposited in a range of Proterozoic and Phanerozoic tectonic settings. Although studies of Atlantic Canadian examples are especially appropriate, work from elsewhere in Canada and worldwide is welcome. Theoretical and applied presentations are both appropriate for this session. Sponsored by: Canadian Sedimentology Research Group

SS14. Ancient and modern base metal sulphide deposits, environments and formational controls
Conveners: Patrick Sack; Jan Peter; Bruce gemmell | Patrick.Sack@gov.yk.ca | Jan.Peter@NRCan-RNCan.gc.ca

Sedimentary exhalative (SEDEX) and volcanogenic massive sulphide (VMS) deposits both formed on the paleo-seafloor, but in different tectonic and depositional settings. VMS and SEDEX deposits are a significant source of metals, accounting for over half of the world’s Zn+Pb reserves and production. Recent research in modern and ancient sediment-dominated marine environments continues to improve our understanding of SEDEX and VMS deposits and is helping the exploration community discover increasingly hard to find deposits. This session calls for contributions that examine the geological, chemical and physical controls on mineralization and exploration methods for volcanogenic, volcanic-sediment hosted, and sedimentary exhalative massive sulphide deposits (i.e., VMS and SEDEX); contributions on sediments and those from industry are particularly encouraged. Sponsored by: GAC®-MDD

This special session is associated with pre-meeting field trip A1 (see below).

SS15. Geoheritage: The Earth’s Past, Our Future
Conveners: John Calder (jhcalder@gov.ns.ca), Steven Hinds, Matt Stimson

Far from a ‘feel good’ exercise, the emerging concept of Geoheritage is our best hope for connecting society with geoscience and with the lessons of Earth history as we face growing local and worldwide challenges of resource use and global change. The formal recognition of Geoheritage is gaining momentum globally; this session will look at the breadth of geoheritage recognition across Canada from geological highway maps and community-managed sites to UNESCO World Heritage, at the methodology of formally defining geoheritage sites, and will help to move us toward a Canadian and North American Geoheritage network

SS16. Environmental Aspects of Resource Development
Heather Jamieson; Michael Parsons | jamiesonhedith@gmail.com

keynote by: John Molson (Département de géologie et de génie géologique Université Laval, Québec)

Environmentally responsible development of metal mines, energy resources (including oil sands and shale gas), pipelines and transportation corridors requires innovative geoscience information to inform environmental assessments and to help guide monitoring and restoration activities. This session will demonstrate how geoscience knowledge can be used to better understand baseline conditions, ecosystem and human health risks, and environmental processes throughout the development life cycle. We invite contributions on a broad range of these topics including, but not limited to, resource development issues in Atlantic Canada. Sponsored by AGS and GAC®.

SS17. The Age of the Earth revisited: high-precision U-Th-Pb geochronology of igneous, metamorphic, and sedimentary processes
Conveners: Sandra Kamo; Mike Hamilton; Larry Heaman; Paul Sylvester | skamo@es.utoronto.ca

Just over 100 years since Arthur Holmes published his seminal book, The Age of the Earth (1913), the precise measurement of geologic time by U-Th-Pb dating is undergoing another revolution. Advances in ID-TIMS, SIMS, and LA-ICPMS methods applied to zircon and other accessory minerals, innovative geochronological applications, and the use of community isotopic tracers and mineral standards, are permitting earth scientists to resolve geological events more precisely, and to ask bold new questions about Earth and solar system evolution. We encourage contributions that highlight the latest advances in analytical techniques, and which integrate multiple methods of investigation. This session is open to studies from a spectrum of U-Th-Pb dating applications including cosmochronology and earliest plate tectonic processes, to investigations of deep crustal development, orogenesis and growth of the continents, provenance studies, the dating of mineral deposits, precise temporal constraints on species evolution and extinction, LIPs and meteorite impact events, and absolute timescale issues that so intrigued Holmes. Sponsored by:  MAC

SS18. Hard Living: Paleobiology of Substrates.  A Special Session in Honour of Prof. Ron Pickerill
Conveners: Steve Donovan; Murray Gingras; Dave Keighley; Rob McNaughton | keig@unb.ca | mgingras@ualberta.ca

In 2014 Professor Ron Pickerill will have been a member of the UNB faculty for 40 years. During his career he has made significant contributions to the fields of ichnology, paleontology and sedimentology.  This special session will be open to contributions from these fields within the general theme of substrate-biota interactions. Sponsored by: GAC®.

SS19. Linking metamorphic processes with large-scale geodynamics
Conveners: Dave Pattison; Fred Gaidies; Doug Tinkham | fgaidies@earthsci.carleton.ca

Invited lecture by: John Wheeler (University of Liverpool)

This session seeks to address ongoing research aimed at elucidating relationships between regional-scale geodynamics and the conditions and rates of metamorphic processes that operate at the micro- to nanoscale. We invite contributions that highlight the integration of phase equilibria modeling, reaction kinetic theory, or reaction mechanism theory with geochemical, geochronological, or microstructural analyses to advance our understanding of the petrogenetic record preserved in metamorphic rocks. Presentations based on experimental and theoretical work and the investigation of natural rocks are welcome. Sponsored by: MAC 

SS20. High-temperature metasomatic processes recorded by trace element and isotopic systematics in major and accessory minerals
Conveners: Chris McFarlane (crmm@unb.ca), Jacob Hanley, Richard Cox

Keynote by: Dan Harlov (GFZ German Research Centre for Geosciences, Potsdam)
Invited speaker: Mike Williams (University of Massachusetts, Amherst) 

Open-system behaviour in magmatic, metamorphic, and ore forming systems can be manifested by cryptic and episodic variations in trace element and isotopic zoning (both stable and radiogenic) in major and accessory minerals.  High-temperature metasomatic processes are also characterized by recrystallization phenomena and textural changes that can also provide telltale evidence for open-system behaviour.  Deviations from chemical, isotopic, and textural equilibrium with host rocks arising from metasomatic processes renders these systems inherently challenging to study.  However, as new analytical tools are developed to help reveal and systematically fingerprint the nature of metasomatic processes, novel (re)interpretations of mineral-scale zoning phenomenon are likely to emerge.  In doing so, the source(s) of metasomatic fluids may ultimately be constrained and related to the regional geological and geochronological framework of a region or deposit. This sessions welcomes contributions integrating textural, mineralogical, trace-element, and isotopic datasets to understand the nature and impact of metasomatism in a variety of geological settings. Sponsored by: MAC

SS21. Space Rocks! New Results in the Earth Sciences from the Study of Meteorites, Planetary Missions, and Terrestrial Analogues
Conveners: Gordon Osinski; Paul Sylvester; Livio Tomabene | gosinski@uwo.ca

The rocky or terrestrial planets share many similarities but also exhibit some fundamental differences in terms of their geological history. Understanding these similarities and differences is important not only for planetary science but also for reconstructing the first few hundred million years of Earth’s history – a record that has been largely lost through destruction of the early rock record. The Earth and planetary science communities both, therefore, stand to benefit from increased collaborations and implementing novel approaches to address old questions. This session seeks to bring together scientists studying meteorites, satellite and ground-based datasets from other planets, and terrestrial analogue sites on Earth, both from a geological and astrobiological perspective. Results from current planetary exploration missions will be highlighted and submissions highlighting the increasing commonalities and synergies in the techniques and technologies employed for Earth and Space exploration are particularly welcome. Sponsored by: GAC®

SS22. 20 Years of the Canadian Geomorphology Research Group (CGRG): Trends, Advances, and Opportunities in Canadian Geomorphology
Conveners: Ian J. Walker; Olav Slaymaker |  ijwalker@uvic.ca

cgg_gcr

The Canadian Geomorphology Research Group (CGRG) was established in 1993 at the International Association of Geomorphology (IAG) Congress in Hamilton, Ontario. To celebrate CGRG's 20th anniversary, this session will host papers that discuss progress in Canadian geomorphology since inception of CGRG and highlight key advances, new opportunities, and future prospects. Emphasis on the breadth and integration within the Canadian geomorphology community will also be highlighted and encouraged. Sponsored by: CGRG

SS23. Alkaline magmatism and associated mineralization
Conveners: Anne Sylvie André-Mayer; Michel Jébrak; Daniel Onhenstetter; Anthony Williams Jones | jebrak.michel@uqam.ca

Alkaline magmatism appears as the key element for the mineral resources of a low-carbon energy world. Major issues remain in the understanding of the genesis of these magma and their associated mineralizations. Recent progresses are based on integrated studies on Archean to recent systems involving field observations, detailed mineralogy, textural interpretations, and geochemistry. Contributions on all subjects relevant to advancing our understanding of processes involved in the development of alkaline magmatism and associated mineralization are welcome to this special session.

SS24. Mineralogy of Plutonic Rocks: from Magmas to Ores. A Tribute in Honour of Andre E. Lalonde
Conveners: Keiko Hattori; Robert Linnen | keiko.hattori@uottawa.ca

In honour of the passion for mineralogical studies by Andre E. Lalonde (1955-2012), we propose a session at the GAC-MAC 2014 meeting. The session, entitled “Mineralogy of Plutonic Rocks” reflects on Andre’s early work on the mineralogy of granite and syenite during his graduate program and later research on alkaline intrusions. Furthermore, Andre had an enthusiastic interest in optical properties of minerals and their relationship with the hosting igneous rocks., He was a strong advocate of mineralogy in all scientific fields.  In consideration of his wide interests, papers in broader fields related to the physics and chemistry of minerals are welcome. We plan one full day for the oral and poster presentations and papers to be published in a special volume of The Canadian Mineralogist. Sponsored by: MAC

SS25. Mineral systems: beyond source, transport and trap
David Huston; Cam McCuaig; Richard Blewett | David.Huston@ga.gov.au | Cam.McCuaig@uwa.edu.au | Richard.Blewett@ga.gov.au

Although the concept of source-transport-trap is a well-established way of understanding how mineral deposits form, this concept is limited as it does not explicitly consider geological processes and features, such as geodynamic setting and basin make-up, that fundamentally define the characteristics of mineral deposits. The mineral systems concept, which considers all geological processes that form and preserve mineral deposits, expands the source-transport-trap concept to include geological processes that operate beyond the district scale to form and preserve mineral deposits. The purpose of this symposium is to examine mineral deposits from the broader mineral systems perspective, illustrating how this approach is predictive and can provide new insight into relationships between apparently disparate mineral deposit types, how it has been used successfully in discovering new deposits, and how it can be used to explore under cover.

 

General sessions

GS1 Mineralogy and Crystallography
GS2 Structural Geology
GS3 Petrology and Volcanology
GS4 Stratigraphy and Sedimentary Geology
GS5 Economic Geology