GSA Today > Volume 18 (2008)

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GSA Today - Vol. 18, 2008
December
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(5.9 MB)
Contents HTML format		 Science Article Only:  Science Article - PDF  Science Article - HTML
The Rheic Ocean: Origin, Evolution, and Significance
R. Damian Nance and Ulf Linnemann

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November
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(4.3 MB)
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The significance of sheeted dike complexes in ophiolites
Paul T. Robinson, John Malpas, Yildirim Dilek, and Mei-fu Zhou
October
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(6.3 MB)
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Turbulent lifestyle: Microbial mats on Earth's sandy beaches — Today and 3 billion years ago
Nora Noffke
September
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(10 MB)
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Understanding mechanisms for the end-Permian mass extinction and the protracted Early Triassic aftermath and recovery
David J. Bottjer, Matthew E. Clapham, Margaret L. Fraiser, and Catherine M. Powers
August
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(5.1 MB)
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Is there enough sand? Evaluating the fate of Grand Canyon sandbars
Scott A. Wright, John C. Schmidt, Theodore S. Melis, David J. Topping, and David M. Rubin
July
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(4.8 MB)
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A geological and geophysical context for the Wenchuan earthquake of 12 May 2008, Sichuan, People's Republic of China
B.C. Burchfiel, L.H. Royden, R.D. van der Hilst, B.H. Hager, Z. Chen, R.W. King, C. Li, J. Lü, H. Yao, and E. Kirby
June
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(7 MB)
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Canada's craton: A bottoms-up view
Dante Canil
April/May
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(6 MB)
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Temporal evolution of continental lithospheric strength in actively deforming regions
Wayne Thatcher and Fred F. Pollitz
March
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(2.3 MB)
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The mystery of the pre–Grand Canyon Colorado River—Results from the Muddy Creek Formation
Joel L. Pederson
February
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(2.7 MB)
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Are we now living in the Anthropocene
Jan Zalasiewicz, Mark Williams, Alan Smith, Tiffany L. Barry, Angela L. Coe, Paul R. Bown, Patrick Brenchley, David Cantrill, Andrew Gale, Philip Gibbard, F. John Gregory, Mark W. Hounslow, Andrew C. Kerr, Paul Pearson, Robert Knox, John Powell, Colin Waters, John Marshall, Michael Oates, Peter Rawson, and Philip Stone
January
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(4.4 MB)
Contents HTML format		 2007 GSA Annual Meeting Presidential Address:  Science Article - PDF
There's Adventure in Geology
John M. Sharp Jr.