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GSA Today
Vol. 21 · No. 6
The big picture: A lithospheric cross section of the North American continent
A lithospheric cross section constructed within a 6000-km-long corridor across southern Canada and its margins at 45–55°...
GSA Today
Vol. 21 · No. 4
Wind erosion in the Qaidam basin, central Asia: Implications for tectonics, paleoclimate, and the source of the Loess Plateau
Liquid water and ice are the dominant agents of erosion and sediment transport in most actively growing mountain belts....
GSA Today
Vol. 21 · No. 3
The case for a Neoproterozoic Oxygenation Event: Geochemical evidence and biological consequences
The Neoproterozoic era marked a turning point in the development of the modern earth system. The irreversible environmen...
GSA Today
Vol. 21 · No. 2
Alternative perspectives of crustal and upper mantle phenomena along the Rio Grande rift
At various locations along the Rio Grande rift in central and southern New Mexico, USA, heat flow data suggest a rather...
GSA Today
Vol. 21 · No. 1
Putting Partnership First: A Dialogue Model for Science and Risk Communication
1 Div. of Liberal Arts and International Studies, Colorado School of Mines, Golden, Colorado 80401, USA2 Dept. of Geophy...
GSA Today
Vol. 21 · No. 1
Microbial communities in fluid inclusions and long-term survival in halite
Fluid inclusions in modern and ancient buried halite from Death Valley and Saline Valley, California, USA, contain an ec...
GSA Today
Vol. 20 · No. 12
Geoinformatics: Transforming data to knowledge for geosciences
An integrative view of Earth as a system, based on multi-disciplinary data, has become one of the most compelling reason...
GSA Today
Vol. 20 · No. 11
A contribution to our dialogue on energy choices
[Table: Table of Contents Current Utilization and Trends Illustrative Coal and Gas Development Areas R...]
GSA Today
Vol. 20 · No. 11
Tropical shoreline ice in the late Cambrian: Implications for Earth's climate between the Cambrian Explosion and the Great Ordovician Biodiversification Event
Middle to late Cambrian time (ca. 513 to 488 Ma) is characterized by an unstable plateau in biodiversity, when depaupera...
GSA Today
Vol. 20 · No. 10
Caldera collapse: Perspectives from comparing Galápagos volcanoes, nuclear-test sinks, sandbox models, and volcanoes on Mars
The 1968 trapdoor collapse (1.5 km3) of Fernandina caldera in the Galapágos Islands developed the same kinds of structur...
GSA Today
Vol. 20 · No. 9
The Internet as a resource and support network for diverse geoscientists
Anne J. Jefferson1*, Kimberly A. Hannula2, Patricia B. Campbell3, Suzanne E. Franks4
GSA Today
Vol. 20 · No. 9
Subduction of the Chile Ridge: Upper mantle structure and flow
We deployed 39 broadband seismometers in southern Chile from Dec. 2004 to Feb. 2007 to determine lithosphere and upper m...
GSA Today
Vol. 20 · No. 8
Geological mapping goes 3-D in response to societal needs
1 Minnesota Geological Survey, 2642 University Avenue West, St. Paul, Minnesota 55114, USA2 Illinois State Geological Su...
GSA Today
Vol. 20 · No. 8
Structural analysis of three extensional detachment faults with data from the 2000 Space-Shuttle Radar Topography Mission
The Space-Shuttle Radar Topography Mission provided geologists with a detailed digital elevation model of most of Earth’...
GSA Today
Vol. 20 · No. 7
Super-rotation of Earth's inner core and the structure of scientific reasoning
Dept. of Philosophy, Northern Arizona University, Box 6011, Flagstaff, Arizona 86011, USA;
GSA Today
Vol. 20 · No. 7
Resolving uplift of the northern Andes using detrital zircon age signatures
Uplift of the Eastern Cordillera in the northern Andes has been linked to orographic climate change and genesis of South...
GSA Today
Vol. 20 · No. 6
Innovations in the built environment for earth science
Dept. of Geology & Geophysics, University of Utah, Salt Lake City, Utah 84112, USA;
GSA Today
Vol. 20 · No. 6
Impacts of environmental change and human activity on microbial ecosystems on the Tibetan Plateau, NW China
Microorganisms play important roles in maintaining ecosystem functions. It is poorly known, however, how microbial ecosy...