Tuttle Creek

The Tuttle Creek 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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Site Name

Primary: Tuttle Creek

Commodity

Primary: Tin

Location

State: Alaska
District: Port Clarence

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

Model Name: Alluvial placer Sn

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Cassiterite

Comments

Comment (Reference): Primary Reference = Mulligan, 1959 (USBM RI 5493)

Comment (Workings): Workings / Exploration = Seventy three churn-drill holes (on 14 lines located along 2.5 miles of the drainage) and 9 other churn-drill holes in headwaters have been completed (Mulligan, 1959, p. 20 and 23).

Comment (Reserve-Resource): Reserves = Not defined

Comment (Geology): Geologic Description = Tuttle Creek and its headwaters drain a mineralized area straddling the contact between the Late Cretaceous Ear Mountain granite stock (76.7 +/- 2.9 my; Hudson and Arth, 1983, p. 769) and an impure metacarbonate sequence, with some metapelitic rocks, of unknown but probable Paleozoic age. Both overburden and gravel vary from a few feet to 15 feet in thickness. The tin content of the gravels varies from a trace to 1.28 pounds per cubic yard. The average tin content of the main drainage, as determined by 45 churn-drill holes, is 0.2 pounds per cubic yard (Mulligan, 1959, p. 23). The mining section along this part of the drainage averaged 7 feet in thickness. Tin in heavy mineral concentrates is present as cassiterite; other heavy minerals that were identified include monazite, zircon, axinite, scheelite, magnetite, and danburite (Killeen and Ordway, 1955). Some heavy mineral concentrate contained 0.23% eU; only traces of gold are reported.

Comment (Deposit): Model Name = Alluvial tin placer (Cox and Singer, 1986; model 39e)

Comment (Geology): Age = Quaternary

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Hudson, T.L., and Arth, J. G., 1983, Tin-granites of Seward Peninsula, Alaska: Geological Society of America Bulletin, v. 94, p. 768-790.

Reference (Deposit): Cobb, E.H., 1975, Tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resource Map MR-66, 1 sheet, scale 1:250,000.

Reference (Deposit): Cobb, E.H., and Sainsbury, C.L., 1972, Metallic mineral resource map of the Teller quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-426, 1 sheet, scale 1:250,000.

Reference (Deposit): Sainsbury, C.L., 1972, Geologic map of the Teller quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Map I-685, 4 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Killeen, P L., and Ordway, R.J., 1955, Radioactivity investigations at Ear Mountain, Seward Peninsula, Alaska, 1945: U.S. Geological Survey Bulletin 1024-C, p. 59-94.

Reference (Deposit): Mulligan, J.J., 1959, Tin placer and lode investigations, Ear Mountain area, Seward Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 5493, 53 p.

Reference (Deposit): Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-587, 130 p.

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