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Desert Varnish: The Importance of Clay Minerals

Potter, Russell M. and Rossman, George R. (1977) Desert Varnish: The Importance of Clay Minerals. Science, 196 (4297). pp. 1446-1448. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20130419-144515568

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Abstract

Desert varnish has been characterized by infrared spectroscopy, x-ray diffraction, and electron microscopy. It is a distinct morphological entity having an abrupt boundary with the underlying rock. Clay minerals comprise more than 70 percent of the varnish. Iron and manganese oxides constitute the bulk of the remainder and are dispersed throughout the clay layer.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.196.4297.1446DOIUNSPECIFIED
http://www.sciencemag.org/content/196/4297/1446.abstractPublisherUNSPECIFIED
Additional Information:© 1977 American Association for the Advancement of Science. 1977 Received for publication 1 February 1977. We thank R. P. Sharp for helpful discussions regarding field localities and the preparation of this manuscript, H.-W. Yeh for providing mixed-layer clay standards, and especially the L. S. B. Leakey Foundation and the John A. McCarthy Foundation for financial support. Contribution No. 2786, Division of Geological and Planetary Sciences, California Institute of Technology.
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Caltech Division of Geological and Planetary Sciences2786
Record Number:CaltechAUTHORS:20130419-144515568
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130419-144515568
Official Citation:Desert Varnish: The Importance of Clay Minerals RUSSELL M. POTTER and GEORGE R. ROSSMAN Science 24 June 1977: 1446-1448.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38046
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:23 Apr 2013 15:55
Last Modified:13 Feb 2019 18:05

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