Boulder, Colo. The January issue of the GEOLOGICAL SOCIETY OF AMERICA BULLETIN includes research on the rate the Dead Sea is subsiding, stable isotope evidence that a major carbon cycle perturbation helped propel Earth into the late Paleozoic Ice Age, the use of new technology to study the interaction of outside faults with an active fault zone in the Caribbean, and insights into the composition of oceanic crust based on a global survey of Precambrian ophiolites found in Earths orogenic belts.

Please discuss articles of interest with the authors before publishing stories on their work, and please make reference to the BULLETIN in stories published. Contact Ann Cairns for copies of articles and for additional information or assistance.

Early Mississippian climate based on oxygen isotope compositions of brachiopods, Alamogordo Member of the Lake Valley Formation, south-central New Mexico.
Robert J. Stanton Jr., et al. Department of Geology and Geophysics, Texas A&M University, College Station, Texas 77843, USA. Pages 4-11.
Our ability and will to react effectively to predictions of future climate change depend on the confidence we have in the predictions of what those changes will be. One way to test the accuracy of those predictions is to determine how effective they are in determining past climates. In this study of late Paleozoic (Early Mississippian) climate, the isotopic, lithologic, and paleontologic criteria available for paleoclimatic analysis are each applied and the results compared. An evaluation of the criteria and of the assumptions implicit in each provides a stronger framework for paleoclimatic determinations.

The lowest place on Earth is subsiding - An InSAR (interferometric synthetic aperture radar) perspective.
Gidon Baer et al. Geological Survey of Israel, Jerusalem 95501, Israel. Pages 12-23.
During the past decade, sinkholes and wide shallow subsidence features have beco
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Contact: Ann Cairns
acairns@geosociety.org
303-357-1056
Geological Society of America
8-Jan-2002

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