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Tonopah, NV: Amygdular Mizpah Trachyte?

Dates

Dataset Reference Date
2020-07-01
Info Date
1930

Summary

Index No: MRTN103200; Collected By: Thomas B. Nolan; Sample Type: hand sample; thin section; Notes: Location taken from Belmont Mine shaft; Soft pale greenish rock spotted with dark quartz areas up to 8 mm, and light altered feldspars. In section feldspars phenocrysts are entirely altered to sparse sericite and abundant chlorite. Matrix texture is well preserved. The large quartz areas with minor amounts of chlorite might well represent amygdules.

Attached Files

Map

Communities

  • ReSciColl Archive

Tags

Provenance

Data source
File Processing
File Process
Type
NGGDPP
Reference Item
Nevada Bureau of Mines and Geology Sample Collection Database
Reference File
corescuttings_nggdpp_2020.csv

Additional Information

Alternate Titles

  • MRTN103200

Identifiers

Type Scheme Key
title Parent-5494ba35e4b0a2b9adad8ee3 Tonopah, NV: Amygdular Mizpah Trachyte?

NGGDPP Item Extension

alternateGeometryTonopah

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