Science News Online (8/29/98): References for Popsicle Planet

References & Sources - August 29, 1998

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The king of all ice ages may have spurred animal evolution

Earth may have repeatedly lurched back and forth from being totally ice-covered to basking in a greenhouse climate.

References:

Bailey, C.M., and S.E. Peters. 1998. Glacially influenced sedimentation in the late Neoproterozoic Mechum River formation, Blue Ridge province, Virginia. Geology 26(July):623.

Hoffman, P.F., A.J. Kaufman, et al. 1998. A Neoproterozoic snowball Earth. Science 281(Aug. 28):1342.

Further Readings:

Monastersky, R. 1997. When glaciers covered the entire Earth. Science News 151(March 29):196.

______. 1995. The Ediacaran enigma. Science News 148(July 8):28.

Sources:

Christopher M. Bailey
College of William and Mary
Department of Geology
Williamsburg, VA 23187

Paul F. Hoffman
Harvard University
Department of Earth and Planetary Sciences
Cambridge, MA 02138

Alan J. Kauffman
University of Maryland
Department of Geology
College Park, MD 20742

Joseph L. Kirschvink
California Institute of Technology
Division of Geological and Planetary Science
1201 East California Boulevard
MC 170-25
Pasadena, CA 91125

Andrew H. Knoll
Harvard University
Botanical Museum
Cambridge, MA 02138

Guy M. Narbonne
Queens University
Department of Geological Sciences
Kingston, Ontario K7L 3N6
Canada

J. William Schopf
University of California, Los Angeles
Department of Earth and Space Sciences
Los Angeles, CA 90095

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