The Tin Creek Deposit is a beryllium, tin, and fluorine-fluorite mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation:
Commodity: Beryllium, Tin, Fluorine-Fluorite
Lat, Long: 65.46083, -167.11972
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Tin Creek Deposit MRDS details
Site Name
Primary: Tin Creek Deposit
Commodity
Primary: Beryllium
Primary: Tin
Primary: Fluorine-Fluorite
Secondary: Lead
Secondary: Zinc
Tertiary: Tungsten
Tertiary: Molybdenum
Tertiary: Copper
Location
State: Alaska
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Ordovician
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Ordovician
Analytical Data
Analytical Data: SKARNS GENERALLY LOW IN BE, BUT LOCALLY CONTAIN UP TO 0.45% BE, PRINCIPALLY IN HELVITE
Analytical Data: GREISEN CONTAINS UP TO 0.3% SN LOCALLY
Materials
Ore: Cassiterite
Ore: Stannite
Ore: Molybdenite
Ore: Chrysoberyl
Ore: Galena
Ore: Chalcopyrite
Ore: Marmatite
Ore: Fluorite
Ore: Helvite
Ore: Euclase
Gangue: Topaz
Gangue: Magnetite
Gangue: Mica
Gangue: Garnet
Gangue: Plagioclase
Gangue: Hornblende
Gangue: Idocrase
Gangue: Pyrite
Gangue: Diaspore
Unknown: Scheelite
Comments
Comment (Deposit): THREE TYPES OF MINERALIZATION ASSOCIATED WITH SMALL BIOTITE GRANITE STOCK: (1) SEVERAL 1000 SQ FT AREA OF QUARTZ-TOPAZ GREISEN AT NE END OF STOCK CONTAINS CASSITERITE, PYRITE, ARSENOPYRITE, MARMATITE, STANNITE, MOLYBDENITE AND GALENA; (2) SKARNS: FLUORITE (85%)-MAGNETITE (15%), "RIBBON ROCK" ASSOCIATED WITH EQUIGRANULAR GRANITE; REPLACED BY COARSE-GRAINED IDOCRASE (55-90%)-GARNET (10-40%) - FLUORITE (0-2%) - SULFIDE (0-2%), SKARN ADJACENT TO V. FINE GRAINED EQUIVGRANULAR GRANITE; SULFIDES PRESENT INCLUDE: GALENA, CERUSSITE, ARSENOPYRITE, CHALCOPYRITE, CASSITERITE AND HELVITE; (3) VEINS AND VEINLETS OF FLUORITE-DIASPORE-CHRYSOBERYL-MICA IN OR NEAR RADIAL FRACTURES IN LIMESTONE SOUTH OF STOCK AND ALONG MARGINS OF DIKES; EUCLASE PRESENT.
Comment (Location): APPROX. CENTER OF 0.2 SQ. KM. STOCK EXPOSED IN TIN CR. DRAINAGE; USGS BULLETIN 1287, PLATE 6; USGS BULLETIN 1129, PLATE 1. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Workings): NUMEROUS PITS AND TRENCHES; ESPECIALLY IN LS SOUTH OF STOCK (N SLOPE OF TIN CR. VALLEY)
Comment (Geology): NE-TRENDING, 3500 X 1500 FT STOCK IN MARMARIZED LIMESTONE, LOCALLY DEVELOPED TACTITE ALONG CONTACT; CROSSCUT BY RHYOLITE PORPHYRY AND LAMPROPHYRE DIKES.
Comment (Deposit): SEE ALSO: LOST RIVER MINE ; INFO.SRC : 1 PUB LIT
References
Reference (Deposit): USGS CIRCULAR 479, P. 2-4, 9, 11-13.
Reference (Deposit): USGS BULLETIN 1129, P. 8, 10, 56-57.
Reference (Deposit): USGS BULLETIN 1287, P. 79-80.
Reference (Deposit): USGS PROF. PAPER 933, P. 33-34.
Reference (Deposit): GSA ABSTRACTS WITH PROGRAMS, V. 19, NO. 6, P. 368.
Reference (Deposit): GSA BULLETIN, V. 94, NO. 6, P. 770-772.
Reference (Deposit): USGS OFR 77-796-B, P. 6, LOC. 34.
Reference (Other Database): BAG-MF-426-10
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