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GEOREF RECORD

Detrital minerals derived from recent volcanics in northwestern Chihuahua, Mexico

Raymond Sidwell and Charles Albert Renfroe
Detrital minerals derived from recent volcanics in northwestern Chihuahua, Mexico
Journal of Sedimentary Petrology (April 1943) 13 (1): 13-20

Abstract

The terrain drained by the Casas Grandes River and its tributaries in northwestern Chihuahua, Mexico, consists entirely of recent volcanics such as rhyolites, andesites, basalts and tuffs. The climate is arid or semi-arid. Thin sections made from rock specimens as well as river transported sediments were used to determine the characteristics and derivation of the minerals, such as feldspars and less stable ferromagnesians, are well represented in rocks from which thin sections were made but they are rarely present in the detritals. Olivine as shown in thin sections has undergone various stages of alteration which may, in part, account for the abundance of magnetite. Detrital minerals in order of abundance are quartz or chalcedony, magnetite, olivine, hypersthene, andesite, basaltic hornblende, tourmaline, mica, hematite, zircon and apatite.


ISSN: 0022-4472
Coden: JSEPAK
Serial Title: Journal of Sedimentary Petrology
Serial Volume: 13
Serial Issue: 1
Title: Detrital minerals derived from recent volcanics in northwestern Chihuahua, Mexico
Pages: 13-20
Published: 194304
Text Language: English
Publisher: Society of Economic Paleontologists and Mineralogists, Tulsa, OK, United States
Accession Number: 1949-015285
Categories: Igneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. index map
N25°45'00" - N32°00'00", W108°00'00" - W103°00'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States
Update Code: 1949
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