Mine detail: Ray Mine

Previously called 'Tip Top MineRay Springs Mine'

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Location: Grant County, Oregon, United States, North America
Lat / long: 44.33957, -118.77022
dep_id: 10033096
mrds_id: M015020
Commodity type: metallic
Major mineral: Chromium
Trace mineral: Palladium, Iridium, Ruthenium, Rhodium, Nickel, Platinum
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chromite
orebody_fm: SPOTTED ORE WITH SOME BANDING, MASSIVE
work_type: Surface/Underground
model: 15: Podiform chromite (minor)
alteration: Dunite Partially Serpentinized, Peridotite More Completely Serpentinized
conc_proc: Magmatic Segregation
ore_ctrl: Magmatic Segregation
Reporter: Lee, W., Bradley, Robin (Walker, George W.), Ferns, Mark L. (Brooks, Howard C.), Peterson, Jocelyn A.
hrock_unit: Canyon Mountain Complex
hrock_type: Dunite
arock_unit: Canyon Mountain Complex
arock_type: Peridotite
Structure: Rocks Highly Jointed Trending E, Dip 48s
tectonic: Ochoco-Blue Mountains
Year first produced: 1918
yr_lst_prd: 1918
disc_yr: 1918
References:
  • Deposit:: ALLEN, J.E., 1941, CHROMITE DEPOSITS OF OREGON (REVISED ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 9, P. 64.
  • Deposit:: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1941, OREGON METAL MINES HANDBOOK, NORTHEASTERN OREGON--WEST HALF: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-B, P. 35-36.
  • Deposit:: WESTGATE, L.G., 1921, DEPOSITS OF CHROMITE IN EASTERN OREGON, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY 1920: U.S. GEOLOGICAL SURVEY BULLETIN 725-A, P. 42.
  • Deposit:: STOTELMEYER, R.B., 1977, ECONOMIC APPRAISAL OF THE STRAWBERRY MOUNTAIN WILDERNESS AND ADJACENT AREAS, GRANT COUNTY, OREGON, IN MINERAL RESOURCES OF THE STRAWBERRY MOUNTAIN WILDERNESS AND ADJACENT AREAS, GRANT COUNTY, OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 77-420, P. 88-90.
  • Deposit:: CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.
  • Deposit:: THAYER, T.P., 1940, CHROMITE DEPOSITS OF GRANT COUNTY, OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 922-D, P. 102-103.
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