New occurrence of yugawaralite from the Chena Hot Springs area, Alaska

Describes occurrence of this relatively rare calcium zeolite 40 mi east of Fairbanks in a siliceous xenolith near the edge of a small quartz monzonite pluton. The host rock is brecciated megachert or quartzite. Mineralogical and crystallographic data are given and specimens are illus. The occurrence...

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Bibliographic Details
Published in:The American mineralogist 1971, Vol.56 (9-10), p.1699-1717
Main Authors: Eberlein, G. Donald, Erd, R. C, Weber, Florence, Beatty, L. B
Format: Article
Language:English
Subjects:
Alaska
cell dimensions
chemical analysis
Chena Hot Springs
crystal structure
data
Framework silicate7, zeolite group
framework silicates
infrared
ion exchange capacity
major-element analyses
mineralogy
minerals
optical
physical
properties
silicates
spectroscopy
thermogravimetric analysis
trace-element analyses
United States
X-ray diffraction analysis
yugawaralite
zeolite group
zoning
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Description
Summary:Describes occurrence of this relatively rare calcium zeolite 40 mi east of Fairbanks in a siliceous xenolith near the edge of a small quartz monzonite pluton. The host rock is brecciated megachert or quartzite. Mineralogical and crystallographic data are given and specimens are illus. The occurrence is compared with material obtained from Japan and Iceland.
ISSN:0003-004X
1945-3027