Issues

STRUCTURAL GEOLOGY

Reconstructing the kinematic evolution of curved mountain belts: A paleomagnetic study of Triassic red beds from the Wyoming salient, Sevier thrust belt, U.S.A.

Arlo Brandon Weil; Adolph Yonkee; Aviva Sussman

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GSA Bulletin January 2010, Vol.122, 3-23. doi:10.1130/B26483.1

Reconstructing the kinematic evolution of curved mountain belts: Internal strain patterns in the Wyoming salient, Sevier thrust belt, U.S.A.

Adolph Yonkee; Arlo Brandon Weil

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GSA Bulletin January 2010, Vol.122, 24-49. doi:10.1130/B26484.1

PRECAMBRIAN GEOLOGY

The Sudbury impact layer in the Paleoproterozoic iron ranges of northern Michigan, USA

W.F. Cannon; K.J. Schulz; J. Wright Horton, Jr.; David A. Kring

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GSA Bulletin January 2010, Vol.122, 50-75. doi:10.1130/B26517.1

TECTONICS

Cambro-Ordovician paleogeography of the Southeastern New England Avalon Zone: Implications for Gondwana breakup

M.D. Thompson; A.M. Grunow; J. Ramezani

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GSA Bulletin January 2010, Vol.122, 76-88. doi:10.1130/B26581.1

Forearc basin formation in the tectonic wake of a collision-driven, coastwise migrating crustal block: The example of the North Andean block and the extensional Gulf of Guayaquil-Tumbes Basin (Ecuador-Peru border area)

César Witt; Jacques Bourgois

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GSA Bulletin January 2010, Vol.122, 89-108. doi:10.1130/B26386.1

PLANETARY GEOLOGY

Geology of Lonar Crater, India

Adam C. Maloof; Sarah T. Stewart; Benjamin P. Weiss; Samuel A. Soule; Nicholas L. Swanson-Hysell; Karin L. Louzada; Ian Garrick-Bethell; Pascale M. Poussart

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GSA Bulletin January 2010, Vol.122, 109-126. doi:10.1130/B26474.1

ENGINEERING GEOLOGY

Predicting the probability and volume of postwildfire debris flows in the intermountain western United States

Susan H. Cannon; Joseph E. Gartner; Michael G. Rupert; John A. Michael; Alan H. Rea; Charles Parrett

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GSA Bulletin January 2010, Vol.122, 127-144. doi:10.1130/B26459.1

TECTONICS

Cenozoic right-slip faulting along the eastern margin of the Pamir salient, northwestern China

Eric Cowgill

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GSA Bulletin January 2010, Vol.122, 145-161. doi:10.1130/B26520.1

Geochemistry-Other

Geochemical variations in igneous rocks of the Central Andean orocline (13°S to 18°S): Tracing crustal thickening and magma generation through time and space

Mirian Mamani; Gerhard Wörner; Thierry Sempere

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GSA Bulletin January 2010, Vol.122, 162-182. doi:10.1130/B26538.1

PRECAMBRIAN GEOLOGY

Exhumation of Mesoarchean TTG gneisses from the middle crust: Insights from the Steynsdorp core complex, Barberton granitoid-greenstone terrain, South Africa

Cristiano Lana; Alex Kisters; Gary Stevens

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GSA Bulletin January 2010, Vol.122, 183-197. doi:10.1130/B26580.1

TECTONICS

Tracing exhumation of the Dabie Shan ultrahigh-pressure metamorphic complex using the sedimentary record in the Hefei Basin, China

Shaofeng Liu; Guowei Zhang; Bradley D. Ritts; Huiping Zhang; Mingxing Gao; Cunchao Qian

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GSA Bulletin January 2010, Vol.122, 198-218. doi:10.1130/B26524.1

Petrology-Metamorphic

Magmatism and early-Variscan continental subduction in the northern Gondwana margin recorded in zircons from the basal units of Galicia, NW Spain

Jacobo Abati; Axel Gerdes; Javier Fernández Suárez; Ricardo Arenas; Martin J. Whitehouse; Rubén Díez Fernández

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GSA Bulletin January 2010, Vol.122, 219-235. doi:10.1130/B26572.1

SEDIMENTARY GEOLOGY-OTHER

Geomorphic controls on lacustrine isotopic compositions: Evidence from the Laney Member, Green River Formation, Wyoming

Amalia C. Doebbert; Alan R. Carroll; Andreas Mulch; Lauren M. Chetel; C. Page Chamberlain

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GSA Bulletin January 2010, Vol.122, 236-252. doi:10.1130/B26522.1

Petrology-Igneous

Proterozoic granites of the Llano Uplift, Texas: A collision–related suite containing rapakivi and topaz granites

Daniel S. Barker; Robert M. Reed

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GSA Bulletin January 2010, Vol.122, 253-264. doi:10.1130/B26451.1

PALEOCLIMATOLOGY

Late Devonian glacigenic and associated facies from the central Appalachian Basin, eastern United States

David K. Brezinski; C. Blaine Cecil; Viktoras W. Skema

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GSA Bulletin January 2010, Vol.122, 265-281. doi:10.1130/B26556.1

TECTONICS

Detrital zircon evidence for progressive underthrusting in Franciscan metagraywackes, west-central California

Cameron A. Snow; John Wakabayashi; W.G. Ernst; Joseph L. Wooden

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GSA Bulletin January 2010, Vol.122, 282-291. doi:10.1130/B26399.1

Contrasting origins of serpentinites in a subduction complex, northern Dominican Republic

Benoit-Michel Saumur; Kéiko H. Hattori; Stéphane Guillot

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GSA Bulletin January 2010, Vol.122, 292-304. doi:10.1130/B26530.1

VOLCANOLOGY

Origin of accretionary lapilli within ground-hugging density currents: Evidence from pyroclastic couplets on Tenerife

R.J. Brown; M.J. Branney; C. Maher; P. Dávila-Harris

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GSA Bulletin January 2010, Vol.122, 305-320. doi:10.1130/B26449.1