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Chaparral Hills deposits, Clipper Mills, Clipper Mills District, Butte Co., California, USAi
Regional Level Types
Chaparral Hills depositsGroup of Deposits
Clipper Mills- not defined -
Clipper Mills DistrictMining District
Butte Co.County
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
39° 32' 20'' North , 121° 9' 29'' West
Latitude & Longitude (decimal):
Locality type:
Group of Deposits
Nearest Settlements:
PlacePopulationDistance
Clipper Mills142 (2011)0.7km
Forbestown320 (2011)9.7km
Challenge-Brownsville1,148 (2011)12.2km
Camptonville158 (2011)13.5km
Pike134 (2011)17.7km


An Fe occurrence located in sec. 2, T19N, R7E, MDM, 0.7 km (2,300 feet) NNW of Clipper Mills, along Grizzly Creek. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is an Fe deposit hosted in granite and slate. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse).

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Magnetite
Formula: Fe2+Fe3+2O4
Reference: Browne, J.R. (1869), Report of J. Ross Browne on the mineral resources of the states and territories west of the Rocky Mountains (US Treasury Dept.), 674 pp., H.H. Bancroft and Co., San Francisco [reprint of 2]: 224; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 250.
Magnetite var: Lodestone
Formula: Fe2+Fe3+2O4
Reference: Browne, J.R. (1869), Report of J. Ross Browne on the mineral resources of the states and territories west of the Rocky Mountains (US Treasury Dept.), 674 pp., H.H. Bancroft and Co., San Francisco [reprint of 2]: 224; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 250.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
var: Lodestone4.BB.05Fe2+Fe3+2O4

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Unclassified Minerals, Mixtures, etc.
var: Lodestone-Fe2+Fe3+2O4

List of minerals for each chemical element

OOxygen
O Magnetite (var: Lodestone)Fe2+Fe23+O4
O MagnetiteFe2+Fe23+O4
FeIron
Fe Magnetite (var: Lodestone)Fe2+Fe23+O4
Fe MagnetiteFe2+Fe23+O4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Jurassic
145 - 201.3 Ma



ID: 2917571
Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains)

Age: Jurassic (145 - 201.3 Ma)

Stratigraphic Name: Copper Hill Volcanics; Gopher Ridge Volcanics; Logtown Ridge Formation; Mariposa Formation; Monte de Oro Formation; Oregon City Formation; Peaslee Creek Volcanics; Penon Blanco Formation; Brower Creek Volcanic Member; Smartville Complex

Description: Undivided Mesozoic volcanic and metavolcanic rocks. Andesite and rhyolite flow rocks, greenstone, volcanic breccia and other pyroclastic rocks; in part strongly metamorphosed. Includes volcanic rocks of Franciscan Complex: basaltic pillow lava, diabase, greenstone, and minor pyroclastic rocks.

Comments: Western Sierra Nevada and western Klamath Mountains. Mostly basaltic to andesitic breccias, flows, and tuffs, metamorphosed but with primary volcanic features generally recognizable. Minor associated sandstone and conglomerate. Largely or entirely of marine origin. Includes some rocks interpreted as ophiolites (Smartville complex) Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{mafic volcanic}, Minor:{felsic volcanic}, Incidental:{chert, sandstone, conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Jurassic - Triassic
145 - 251.902 Ma



ID: 3189515
Mesozoic sedimentary and volcanic rocks

Age: Mesozoic (145 - 251.902 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Browne, J.R. (1869), Report of J. Ross Browne on the mineral resources of the states and territories west of the Rocky Mountains (US Treasury Dept.), 674 pp., H.H. Bancroft and Co., San Francisco [reprint of 2]: 224.
Tenth U.S. Census, volume 15-1880 (1886); Report of Mining Industries of the United States: 504.
Egenhoff, Elizabeth Lee (1948), Iron Resources of California: California Division of Mines Bulletin 129: 289.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 250.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10036140 & 10283955.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060070374.
USGS crib No. MO24196.

USGS MRDS Record:10036140
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