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25–28 OCTOBER • MONTRÉAL, QUÉBEC, CANADA
T104. Metamorphic Geochemistry without Borders: T108. Advances and Innovations in U-Pb Geochro-
A Session to Honor 2020 Dana Medalist Daniela nology and Geochemistry of Mafic, Alkaline, and
Rubatto Other Mantle-Derived Rocks Associated with the
Cosponsors: Mineralogical Society of America; GSA Structural Evolution of the North American Shield and Its
Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Subcontinental Lithospheric Mantle: A Session in
Petrology, and Volcanology Division Honor of Larry Heaman
Disciplines: Geochemistry, Petrology, Metamorphic, Tectonics/ Cosponsors: Geochemical Society; GSA Mineralogy,
Tectonophysics Geochemistry, Petrology, and Volcanology Division
Advocates: Suzanne L. Baldwin; Clare Warren; M.J. Kohn; Sumit Disciplines: Geochronology, Petrology, Igneous, Precambrian
Chakraborty Geology
We seek contributions that shed light on metamorphic processes Advocates: Joshua H.F.L. Davies; D. Graham Pearson; Thomas
through the integration of petrology, geochemistry, and geo- and Stachel; Robert A. Creaser
thermochronology using isotopes, trace elements, mineral equilib- Geochronology and geochemistry applied to mafic, alkaline,
ria, and kinetics. igneous, and other mantle-derived rocks, especially associated
with the evolution of the North American shield and its subconti-
T105. Assessing the Fidelity of Geochemical nental lithospheric mantle.
Signals in Deep Time: Primary, Authigenic, and
Diagenetic Signals in Proxy Data T109. Bridging the Laboratory–Database Divide in
Cosponsors: GSA Mineralogy, Geochemistry, Petrology, and Geochemistry
Volcanology Division; GSA Sedimentary Geology Division Cosponsors: GSA Geochronology Division; GSA Geoinformatics
Disciplines: Geochemistry, Sediments, Carbonates, Paleo- and Data Science Division; GSA Mineralogy, Geochemistry,
climatology/Paleoceanography Petrology, and Volcanology Division; Geochemical Society;
Advocates: Jiuyuan Wang; Adam Denny; Huan Cui; Benjamin J. GSA Karst Division
Linzmeier Disciplines: Geochronology, Geochemistry, Geoinformatics
Identification of primary geochemical proxy preservation is Advocates: Daven P. Quinn; Benjamin J. Linzmeier; Leah E.
critical to paleoenvironmental reconstruction. Presentations in this Morgan; Kurt E. Sundell
session will highlight processes that may alter geochemical prox- Presentations in this session will showcase the scientific impact of
ies and methods of identifying alteration. lab-to-database workflows in geochemistry and geochronology. We
encourage the submission of results driven by new data-management
GEOCHRONOLOGY techniques and community-level synthesis.
T106. Applying Petrochronology to Tectonic T110. A Matter of Time: The Stratigraphic Record
Provenance Studies of Time and the Future of Timescale Calibration
Cosponsors: GSA Mineralogy, Geochemistry, Petrology, and Cosponsors: GSA Geochronology Division; International
Volcanology Division; GSA Geochronology Division; GSA Subcommission on Timescale Calibration; Paleontological Society
Structural Geology and Tectonics Division Disciplines: Geochronology, Stratigraphy, Paleontology,
Disciplines: Geochronology, Geochemistry, Tectonics/ Biogeography/Biostratigraphy
Tectonophysics Advocates: Bradley D. Cramer; Mark D. Schmitz
Advocates: William T. Jackson Jr.; Matthew P. McKay; Elizabeth This session encourages all who deal with time in the rock
M. Bollen record to participate, especially encouraging integration of numer-
Petrochronology data provide opportunities to interpret spatial- ical and relative time techniques from all parts of the geologic
temporal tectonic processes. We welcome submissions that present time scale (Hadean to Holocene).
microanalyses, geochemistry, radioisotope geochronology, and
analytical imaging techniques that advance the utilization of min- T111. Using Paired Single-Mineral Geochronology
eral chemistry for provenance fingerprinting. and Geochemistry to Address Tectonic Problems
from the Mid-Crust to Earth’s Surface
T107. Integrating Geochronological, Geochemi- Cosponsors: GSA Geochronology Division; GSA Structural
cal, and Petrological Data—Progress in Petrochro- Geology and Tectonics Division
nology and Applications Disciplines: Geochronology, Geochemistry, Tectonics/
Cosponsors: Geological Association of Canada; Canadian Tectonophysics
Tectonics Group–GAC Division; Geochemical Society; GSA Advocates: Kristina Lynn Butler; Margaret Odlum; Sarah W.M.
Mineralogy, Geochemistry, Petrology, and Volcanology Division George
Disciplines: Geochronology, Petrology, Metamorphic, Geochemistry Combined geochronologic and geochemical data on single min-
Advocates: Chris Clark; Carl Guilmette; Kyle Larson; Chris erals offer the potential to track tectonic processes through the
Yakymchuk crust and at Earth’s surface. This session focuses on mid- to
This session welcomes contributions addressing conceptual and upper-crustal petrochronologic tools and innovative applications.
analytical petrochronological methods as well as applications in
all domains, including metamorphic and igneous petrology and
detrital provenance studies.
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