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STUDENT PROPOSAL TITLE INSTITUTION TECHNIQUE
Radiometrically Dating the Great Unconformity and
Lyle Nelson the Ediacaran-Cambrian Boundary as Expressed in the Johns Hopkins University U-Th-Pb
Death Valley Region
Thermotectonic History as Recorded in Footwall
Oyewande Ojo Blocks of the S. Malawi Rift and N. Shire Graben Oklahoma State University Fission Track
Border Faults: Insights from Apatite Fission Tracks
Reconstructing Precipitation Variability in Mainland
Elizabeth Patterson Southeast Asia over the Last 20,000 Years Using University of California, Irvine U-series
Stalagmites
Using Apatite He/ He and U-Th/He
4
3
Nicolas Thermochronology to Unravel the Timing and Syracuse University (U-Th)/He
Perez-Consuegra Mechanism of Incision of the Cauca River Canyon in
the Northern Andes
Timing of the Onset of Accretionary Orogenesis and
Valarie J. Smith Metamorphism Following ~100 m.y. of a Passive Florida State University U-series
Margin Setting in the Southern Appalachian Orogen
Characterizing the Rapid Uplift and Exhumation of the
Elaine Young University of California, Davis (U-Th)/He
Fish Creek Vallecito Basin, Southeastern California

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GSA Publications Milestones
Geology continues its reign as the Journal Citation Reports’ #1 ranked
geology journal for the fourteenth year in a row. According to Clarivate
Analytics, it had a 2019 impact factor of 4.768 and a five-year impact factor
of 5.412 (Web of Science Group, 2020).
The Geological Society of America Bulletin’s impact factor was 3.558, with a
five-year impact factor of 4.368.
Geosphere’s impact factor was 2.577, with a five-year impact factor of 3.032.
ISSN 1941-8264 | VOLUME 12 | NUMBER 1 | FEBRUARY 2020
In addition, Lithosphere’s impact factor rose to 3.248 (five-year of 3.530)
for 2019. Still open access, Lithosphere is now published as a community
journal by GeoScienceWorld, with the cooperation of seven geoscience
societies.
While Clarivate Analytics does not produce impact factors for book series,
it indexes GSA’s Special Papers, Memoirs, and Reviews in Engineering Sourcing some Rocky ancestors 88
Drifting away in Baja 122
Geology in its Book Citation Index, which is part of the Web of Science. Making Isua without plates 166
Explore GSA’s journals and books at www.gsapubs.org.

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