The Midway is a zinc 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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Midway MRDS details
Site Name
Primary: Midway
Commodity
Primary: Zinc
Secondary: Lead
Location
State: Alaska
District: McGrath
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Smithsonite
Gangue: Dolomite
Comments
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = The Midway prospect was found by WGM Inc. and Patino Ltd. during exploration for base metals in the late 1970s on lands selected by Doyon Ltd. A soil grid established a 500 feet by 800 feet (152m by 244 m) anomalous zone which averages 250 ppm zinc and 100 ppm lead. Nearby stream sediment sampling yielded up to 176 ppm lead and 500 ppm zinc (Andrews and Rishel, 1982).
Comment (Deposit): Other Comments = the Midway prospect is on land selected or coveyed to Doyon Ltd. For further information, contact Doyon Ltd. at 210 1st Ave., Fairbanks, Alaska, 99701.
Comment (Geology): Geologic Description = The Midway smithsonite prospect is located along a break in slope in limestone and dolomite of the Telsitna Formation of Dutro and Patton (1982). The Midway occurrence is mainly manifested in anomalous lead and zinc in springs and seeps that occur along a break in slope. Smithsonite was identified in solution breccias exposed in rubble. Most of the prospect area is covered by vegetation. A soil grid established a 500 feet by 800 feet (152m by 244 m) anomalous zone which averages 250 ppm zinc and 100 ppm lead. Nearby stream sediment sampling yielded up to 176 ppm lead and 500 ppm zinc (Andrews and Rishel, 1982).
Comment (Reference): Primary Reference = Andrews and Rishel, 1982
References
Reference (Deposit): Dutro, T.T. Jr., and Patton,W.W. Jr., 1982, New Paleozoic Formations in the northern Kuskokwim Mountains, west-central Alaska: U.S. Geological Survey Bulletin 1529-H, p. H13-H22.
Reference (Deposit): Schmidt, J.M., 1997, Shale-hosted Zn-Pb-Ag and barite deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska, 1997: Economic Geology Monograph 9, p. 35-65.
Reference (Deposit): Andrews, Tom, and Rishel, John, 1982, Annual Report for 198, Reef Ridge I-to-XIII Project Areas, Kuskokwim Block, Alaska: Anchorage, Alaska, WGM Inc., Project Report 4, 45 pages, two sheets at 1:63,360 and 1:20,000 scales. (Report held by Doyon, Limited, Fairbanks, Alaska.)
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