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GSA Today - Vol. 18, 2008 |
December
Full Issue 
(5.9 MB)
Contents  |
Science Article
The Rheic Ocean: Origin, Evolution, and Significance
R. Damian Nance and Ulf Linnemann |
November
Full Issue
(4.3 MB)
Contents |
Science Article Only:
The significance of sheeted dike complexes in ophiolites
Paul T. Robinson, John Malpas, Yildirim Dilek, and Mei-fu Zhou |
October
Full Issue
(6.3 MB)
Contents |
Science Article Only:
Turbulent lifestyle: Microbial mats on Earth's sandy beaches — Today and 3 billion years ago
Nora Noffke |
September
Full Issue
(10 MB)
Contents |
Science Article Only:
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
Full Issue
(5.1 MB)
Contents |
Science Article Only:
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
Full Issue
(4.8 MB)
Contents |
Science Article Only:
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
Full Issue
(7 MB)
Contents |
Science Article Only:
Canada's craton: A bottoms-up view
Dante Canil |
April/May
Full Issue
(6 MB)
Contents |
Science Article Only:
Temporal evolution of continental lithospheric strength in actively deforming regions
Wayne Thatcher and Fred F. Pollitz |
March
Full Issue
(2.3 MB)
Contents |
Science Article Only:
The mystery of the pre–Grand Canyon Colorado River—Results from the Muddy Creek Formation
Joel L. Pederson |
February
Full Issue
(2.7 MB)
Contents |
Science Article Only:
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
Full Issue
(4.4 MB)
Contents |
2007 GSA Annual Meeting Presidential Address:
There's Adventure in Geology
John M. Sharp Jr. |
Letters
