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Sample 16149-1
NavDat sample number 4991 · ANDESITE
Sample
| Sample ID | 16149-1 |
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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 | Older andesite, probably equivalent to intermediate lavas of Nugent, WA Ekren and others, 1977. |
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Location
| Latitude | 38.3883 |
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| Longitude | -117.858 |
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| Location | Mineral County |
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| State / province | Nevada |
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| Location comment | E side of Pilot Mts., 3 km E of Lindsey Mine |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 24.7 |
|
24 |
25.4 |
|
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.
