Latitude & Longitude (WGS84):
40° 37' 3'' North , 123° 21' 51'' West
Latitude & Longitude (decimal):
Long-form identifier:
mindat:1:2:96842:4
A former Cr mine located in secs. 23 & 27, T3N, R7E, HM (assumed spot at the intersection of secs. 23 & 27), 3.2 km (2.0 miles) NNW of Grassy Mountain, along Hayfork Creek, on National Forest land. Discovered in 1915 by Pallestreau. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a Cr deposit. The deposit occurs in one of several dike-like peridotite bodies that are NW-trending across central to SW Trinity County. Local rocks include Paleozoic marine rocks, undivided, unit 9 (Western Klamath Mountains).
Production data are found in: Wells, F.G. and Hawkes, H.E. (1965).
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Mineral List
1 valid mineral.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides |
|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
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References
Wells, F.G. and Hawkes, H.E. (1965) Chromite deposits of Shasta, Tehama, Trinity and Humboldt counties, California. California Division Mines and Geology Bulletin 134, part 1, chapter 3: 170, 174, 180, Pl. 19.
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.
doi:10.2138/am-2024-9486.
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