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Sample 2384-1
NavDat sample number 4990 · ANDESITE
Sample
| Sample ID | 2384-1 |
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| Rock name | ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | F.J. Kleinhampl and M.L. Silberman, U.S. Geological Survey |
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| Comment | One of the older andesites in the eastern part of the Walker Lane. Andesitic volcanism tends to decrease in age from east to west in the Walker Lane Silberman and others, 1975; Ekren and others, 1977. |
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Location
| Latitude | 38.8333 |
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| Longitude | -118.383 |
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| Location | Mineral County |
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| State / province | Nevada |
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| Location comment | of Nugent, WA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 23.1 |
|
22.4 |
23.8 |
|
M.L. Silberman, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.
References
- Morton, Janet L. and Silberman, Miles L. of the U.S. Geological Survey, Menlo Park; Bonham, H.F. and Garside, Larry J. of the Nevada Bureau of Mines and Geology, Reno; and Noble, Donald C. of the Michigan Technological University, Houghton (1977) K-AR AGES OF VOLCANIC ROCKS, PLUTONIC ROCKS, AND ORE DEPOSITS IN NEVADA AND EASTERN CALIFORNIA - DETERMINATIONS RUN UNDER THE USGS-NBMG COOPERATIVE PROGRAM.
