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Magnetite from
Sierra Iron Mine (Sierra Mine; Sierra Iron Co.; Lake Hawley and Spencer Lake deposit), Hawley Lake, Sierra City Mining District, Sierra County, California, USA


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Apatite
Chlorite Group
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Sierra Iron Mine (Sierra Mine; Sierra Iron Co.; Lake Hawley and Spencer Lake deposit), Hawley Lake, Sierra City Mining District, Sierra County, California, USA
Data Identifiers
Mindat Occurrence Record ID:334000
Long-form Identifier:1:3:334000:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
1.5km (1.0 miles) ⓘWades Lake Fe deposit, Wades Lake, Plumas County, California, USA
29.5km (18.3 miles) ⓘWalker Mine (Walker Brothers Mine; Walker Copper Mine; Native Son Mine [?]), Argentine Rock, Genesee Valley Mining District (Genesee Mining District), Plumas Copper Belt, Plumas County, California, USA
31.0km (19.3 miles) ⓘJeff Molly No. 1 Mine, English Mountain, English Mountain Mining District, Nevada County, California, USA
32.6km (20.3 miles) ⓘRed Ledge Mine (Bank Mining Company), Mack House, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
33.1km (20.6 miles) ⓘMoores Flat Mining District, Nevada County, California, USA
35.3km (22.0 miles) ⓘGrouse Ridge occurrence, Clyde Mountain, Emigrant Gap Mining District, Nevada County, California, USA
36.2km (22.5 miles) ⓘMeadow Lake Mining District, Nevada County, California, USA
39.5km (24.5 miles) ⓘRelief Hill (Relief; Relief Hill Blue Lead; Morning Star; IXCL), Relief, North Bloomfield Mining District, Nevada County, California, USA
40.1km (24.9 miles) ⓘNorth Bloomfield Mining District, Nevada County, California, USA
40.3km (25.1 miles) ⓘAlpha-Omega Mines, Washington Mining District (Omega Mining District), Nevada County, California, USA
References
Hanks, Henry Garber (1882a), Second report of the State Mineralogist: California Mining Bureau. Report 2, 226 pp.: 195
Durrell, C. & P.D. Proctor (1948), Iron ore deposits near Lake Hawley and Spencer Lakes, Sierra County, California: California Division Mines Bulletin 129: 165-192
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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