The chemistry of five accessory rock-forming apatites
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Abstract
Chemical and physical data are given for five samples of rock-forming apatite from diverse geologic environments in Nevada and Colorado. Four of these apatites contain rare-earth assemblages in which the cerium group is well represented but the yttrium group predominates. The fifth apatite contains a highly fractionated assemblage of the lighter (cerium group) rare earths similar to the assemblage typical of alkulic rocks.
Study Area
Publication type | Article |
---|---|
Publication Subtype | Journal Article |
Title | The chemistry of five accessory rock-forming apatites |
Series title | Journal of Research of the U.S. Geological Survey |
Volume | 1 |
Issue | 3 |
Year Published | 1973 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Description | 6 p. |
First page | 267 |
Last page | 272 |
Country | United States of America |
State | Nevada, Colorado |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |