| Geographic location |
-117.125, 40.541667
117°
7'
30"
W,
40°
32'
30"
N
Lander county,
NV
Antler Peak
1:62,500 scale map quadrangle
Accurate to within 1 minute (~1 mile)
FROM 6500 BENCH OF COPPER CANYON PORPHYRY COPPER DEPOSIT; SW1/4 SEC. 22, T31N, R43E
|
|---|---|
| Source of sample | Quarry |
| Rock name | Conglomerate |
| Description | MINERALIZED CONGLOMERATE, BATTLE FORMATION, COPPER CANYON PORPHYRY COPPER DEPOSIT |
| Laboratories | USGS Menlo Park |
| Compiler name | Nichols, S.L. |
| Date compiled | 1978 04 |
| Precision of location | Accurate to within 1 minute (~1 mile) |
| Location comment | FROM 6500 BENCH OF COPPER CANYON PORPHYRY COPPER DEPOSIT; SW1/4 SEC. 22, T31N, R43E |
| Bibliographic reference | Theodore, T.G., Silberman, M.L., and Blake, D.W., 1973, Geochemistry and Potassium-Argon Ages Of Plutonic Rocks In The Battle Mountain Mining District, Lander County, Nevada: U.S. Geological Survey Professional Paper 798A, A24pp. |
| (click for info) | |
| Geologic map unit | -117.125, 40.541667 |
| Nearby scientific data | Find additional scientific data near this location |
| Age estimate | 38.03 ± 0.7Ma |
|---|---|
| Type of analysis | conventional K-Ar |
| Rock or mineral analyzed | whole rock -100+150 MESH MATERIAL CONSISTING OF BIOTITE, K-FELDSPAR, WHITE MICA, QUARTZ, AND PLAGIOCLASE SEPARATED FROM PYRITE AND CHALCOPYRITE
|
| Analytical details | |
| Lab sample ID | 14. (MB-52) |
| Decay constants | 4.72E-04, 0.585E-04, 1.19E-04* |
| K2O concentration | 2.55 % |
| Radiogenic 40Ar concentration | 1.411 |
| Radiogenic Ar | 52 % |
| Comments | ALTERATION AGE; AGE OF MINERALIZATION |