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GSA Today > Volume 21 (2011)

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GSA Today - Vol. 21, 2011
December
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(4MB)
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Science Article:  Science Article - PDF  Full Text
Unique geologic insights from “non-unique” gravity and magnetic interpretation
Richard W. Saltus and Richard J. Blakely
DOI:10.1130/G136A.1
November
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(5.4MB)
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Why did the Southern Gulf of California rupture so rapidly?—Oblique divergence across hot, weak lithosphere along a tectonically active margin
Paul J. Umhoefer
DOI:10.1130/G133A.1
October
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(3.4MB)
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A Miocene river in northern Arizona and its implications for the Colorado River and Grand Canyon
Ivo Lucchitta, Richard F. Holm, and Baerbel K. Lucchitta
DOI: 10.1130/G119A.1
September
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(4.7 MB)
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Preface PDF file
Science Articles:
Learning from failure: The SPREE Mid-Continent Rift Experiment  Science Article - PDF  Full Text
Seth Stein, Suzan van der Lee, Donna Jurdy, Carol Stein, Douglas Wiens, Michael Wysession, Justin Revenaugh, Andrew Frederiksen, Fiona Darbyshire, Trevor Bollmann, Jessica Lodewyk, Emily Wolin, Miguel Merino, and Karen Tekverk
DOI: 10.1130/G120A.1
Landscape evolution in south-central Minnesota and the role of geomorphic history on modern erosional processes  Science Article - PDF  Full Text
Karen B. Gran, Patrick Belmont, Stephanie S. Day, Noah Finnegan, Carrie Jennings, J. Wesley Lauer, Peter R. Wilcock
DOI: 10.1130/G121A.1
Recent advances in the hydrostratigraphy of Paleozoic bedrock in the Midwestern United States  Science Article - PDF  Full Text
K.R. Bradbury and A.C. Runkel
DOI: 10.1130/G122A.1
Improving undergraduate geoscience education—A community endeavor  Science Article - PDF  Full Text
C.A. Manduca
DOI: 10.1130/G123A.1
August
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(3.8 MB)
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Understanding Earth’s eroding surface with 10Be
Eric W. Portenga, Paul R. Bierman
DOI: 10.1130/G111A.1
July
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(5.2 MB)
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Clinker geochronology, the first glacial maximum, and landscape evolution in the northern Rockies
Peter W. Reiners, Catherine A. Riihimaki, Edward L. Heffern
DOI: 10.1130/G107A.1
June
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(3.6 MB)
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The big picture: A lithospheric cross section of the North American continent
Philip T.C. Hammer, Ron M. Clowes, Fred A. Cook, K. Vasudevan, and Arie J. van der Velden
DOI: 10.1130/GSATG95A.1
Supplemental insert
April/May
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(3.3 MB)
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Wind erosion in the Qaidam basin, central Asia: Implications for tectonics, paleoclimate, and the source of the Loess Plateau
Paul Kapp, Jon D. Pelletier, Alexander Rohrmann, Richard Heermance, Joellen Russell, Lin Ding
DOI: 10.1130/GSATG99A.1
March
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(3 MB)
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The case for a Neoproterozoic Oxygenation Event: Geochemical evidence and biological consequences
Graham Shields-Zhou and Lawrence Och
DOI: 10.1130/GSATG102A.1
February
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(4.5 MB)
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Alternative perspectives of crustal and upper mantle phenomena along the Rio Grande rift
Marshall Reiter, Richard M. Chamberlin
DOI: 10.1130/GSATG79AR
January
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(4.1 MB)
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Microbial communities in fluid inclusions and long-term survival in halite
Tim K. Lowenstein, Brian A. Schubert, Michael N. Timofeeff
DOI: 10.1130/GSATG81A.1