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
|
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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 |
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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
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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 |