The Tibbs Creek is a gold 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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Tibbs Creek MRDS details
Site Name
Primary: Tibbs Creek
Secondary: Lucky Star
Commodity
Primary: Gold
Secondary: Antimony
Secondary: Lead
Secondary: Molybdenum
Location
State: Alaska
District: Goodpaster
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Jamesonite
Ore: Molybdenite
Ore: Stibnite
Comments
Comment (Production): Production Notes = Cobb (1973; B 1374) reports insignificant placer gold production from the Goodpaster region. No production figures for Tibbs Creek are available. Cobb (1973) reports insignificant placer gold production from the Goodpaster region. No production totals for Last Chance Creek are available.
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Quaternary
Comment (Geology): Age = Quaternary
Comment (Reference): Primary Reference = Joesting, 1938
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Workings): Workings / Exploration = The Goodpaster region was first explored for placer gold in 1915. Thomas (1970) reports a stampede of prospectors in 1915 that ended soon after, due to low-grade deposits. In the early 1930's, gold-bearing quartz veins were discovered in the upper Tibbs Creek drainage. From 1936 to 1941, the area was mined for lode gold at the Blue Lead and Blue Lead Extension (BD003), Grizzly Bear (BD018), and Gray Lead (BD017) mines. Joesting (1938) reports that Tibbs Creek was churn drilled near the landing field near the mouth of Wolverine Creek.
Comment (Geology): Geologic Description = The area arounding the Tibbs Creek placers is characterized by rounded hills and flat-topped ridges (Thomas, 1970). The most prominent ridge is Black Mountain, which trends about 12 miles in a northerly direction and is underlain by Cretaceous granodiorite (Weber and others, 1978). Several creeks flow westward off Black Mountain in steep, parallel, V-shaped valleys to form the headwaters of Tibbs Creek. A combination of augen gneiss, gneissic schist, and schist are to the west of Black Mountain. There is intense shearing and faulting in the contact between the metamorphic and intrusive rocks. This shearing is observed in the underground workings and at the surface as pronounced saddle-like depressions across the spurs separating the westward flowing tributaries of Tibbs Creek. This shear zone trends roughly N15E and dips 65 degrees NW. Tibbs Creek is thought to lie in a structural zone. Quartz veins along the creek contain gold, jamesonite, molybdenite, and stibnite (Cobb and Eberlein, 1980). ? the Goodpaster region was first explored for placer gold in 1915. Thomas (1970) reports a stampede of prospectors in 1915 that ended soon after, due to low grade deposits. In the early 1930's, gold bearing quartz veins were discovered in the upper Tibbs Creek drainage. From 1936 to 1941, the area was mined for lode gold at the Blue Lead and Blue Lead Extension (BD003), Grizzly Bear (BD018), and Gray Lead (BD017) mines. Joesting (1938) reports that Tibbs Creek was churn drilled near the landing field near the mouth of Wolverine Creek. Cobb (1973; B 1374) reports insignificant placer gold production from the Goodpaster region. No production figures for Tibbs Creek are available.
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Big Delta quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-388, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
Reference (Deposit): Smith, P.S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113.
Reference (Deposit): Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 map, scale 1:1,000,000.
Reference (Deposit): Thomas, B.I., 1970, Reconnaissance of the gold-bearing quartz veins in the Tibbs Creek area, Goodpaster River, Big Delta quadrangle, central Alaska: U.S. Bureau of Mines Open-File Report 14-70, 12 p.
Reference (Deposit): Weber, F.R., Foster, H.L., Keith, T.E.C., Dusel-Bacon, C., 1978, Preliminary geologic map of the Big Delta quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-529A, 1 sheet, scale 1:250,000.
Reference (Deposit): Foster, H.L., Albert, N.R.D., Griscom, Andrew, Hessin, T.D., Menzie, W.D., Turner, D.L, and Wilson, F.H., 1979, The Alaskan Mineral Resource Assessment Program: Background information to accompany folio of geologic and mineral resource maps of the Big Delta quadrangle, Alaska: U.S. Geological Survey Circular 783, 19 p.
Reference (Deposit): Smith, P.S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-113.
Reference (Deposit): Menzie, W.D., and Foster, H.L., 1979, Metalliferous and selected nonmetalliferous mineral resource potential in the Big Delta quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-529D, 61 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., and Eberlein, G.D., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Big Delta and Tanacross quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-1086, 77 p.
Reference (Deposit): Joesting, H.R., 1938, Mining and prospecting in the Goodpaster region: Alaska Territorial Department of Mines , 2 p.
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