The Lost River Placer is a tin 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
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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.
Lost River Placer MRDS details
Site Name
Primary: Lost River Placer
Commodity
Primary: Tin
Secondary: Lead
Tertiary: Silver
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
Not available
Analytical Data
Analytical Data: INDICATED GRADES: 0.29 LB SN/CY, TR. AG IN HOLE H-6. 0.35 LB SN/CY, 0.04 LB PB/CY, TR. AG IN HOLE H-7, USBM RI 5520, P. 13.
Materials
Ore: Cassiterite
Ore: Galena
Comments
Comment (Deposit): THERE IS NO INDICATION THAT ANY OF THE TIN PRODUCED FROM PLACERS IN THE LOST RIVER MINE AREA CAME FROM LOST RIVER ITSELF. MOST, IF NOT ALL, PLACER TIN CAME FROM CASSITERITE CR. ; INFO.SRC : 1 PUB LIT
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Comment (Location): USBM RI 5520, FIG. 3 AND TABLE 2, CHURN-DRILL HOLES H-6 AND H-7. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): MINING SOMEWHERE ON LOST RIVER: 1966-67; USBM CHURN-DRILLING: 1956-57.
Comment (Deposit): INDICATED DEPTH OF MINING SECTION: 10.0 - 11.0 FT (INCLUDES 1.0 FT OF BEDROCK) INDICATED GRADE: 0.29 - 0.35 LB SN/CY.
Comment (Geology): MEDIUM COARSE GRAVELS ; MAJOR.UNITS: HOLE NO. H-7 HIT BEDROCK: DOLOMITE WITH CHLORITE, FLUORITE AND TRACE OF PYRITE. ; REG.COM: LODES ON CASSITERITE AND TIN CREEKS
References
Reference (Deposit): USBM RI 5520, P. 12-15, 23, TABLE 2, HOLE NOS. H6, 7.
Reference (Deposit): USGS BULLETIN 1374, P. 895.
Reference (Deposit): USGS OFR 77-796-B, P. 6, LOC. 32.
Reference (Other Database): BAG-MF-426-42
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