Mine detail: Manganese Occurrence

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Location: Grant County, Oregon, United States, North America
Lat / long: 44.72928, -119.3183
dep_id: 10032999
mrds_id: M014845
Commodity type: metallic
Major mineral: Manganese
Operation type: Unknown
Deposit type: Podiform
Production size: No production occurred
Development status: Occurrence
ore: Psilomelane
orebody_fm: NODULES
alteration: Clay Alteration
conc_proc: Migrating Solutions
Reporter: Lee, W., Bradley, Robin (Walker, George W.), Gray, Jerry J.
hrock_unit: Lower John Day Formation
hrock_type: Tuff
References:
  • LIBBEY, F. W., AND WAGNER, N. S., 1951 , ORIGIN OF MANGANESE NODULES FOUND NEAR HAMILTON, GRANT COUNTY, OREGON: ODGMI, ORE BIN, NOV., VOL. 13 , NO. 11 , P. 71
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