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Sample L-340
NavDat sample number 4998 · DIORITE
Sample
| Sample ID | L-340 |
|---|
| Rock name | DIORITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | J.G. Evans, U.S. Geological Survey |
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| Comment | Intrudes and metamorphoses Ordovician and Silurian cherts and shales Evans, 1972. |
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Location
| Latitude | 40.7883 |
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| Longitude | -116.322 |
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| Location | Eureka County |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 38.5 |
|
37.3 |
39.7 |
|
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.
