On hypersthene andesite and on triclinic pyroxene in augitic rocks
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| Description | article by Samuel Franklin Emmons published 1883 in U.S. Geological Survey Bulletin |
| Author/s |
author: Samuel Franklin Emmons |
| Publication date | 1883 |
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| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |