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Pedro Creek

Past Producer in Alaska, United States with commodities Gold, Tin
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Geologic information

Identification information

Deposit ID 10101028
MRDS ID A015507
Record type Site
Current site name Pedro Creek
Related records 10232901

Geographic coordinates

Geographic coordinates: -147.52489, 65.00273 (WGS84)
Relative position Cobb (1972, MF-413), loc. 89; NW1/4SE1/4 sec. 15, T. 2 N., R. 1 E., of the Fairbanks Meridian. The coordinates given are for Pedro Camp. Mine tailings are marked along Pedro Creek on the Fairbanks (D-2) quadrangle and the Livengood (A-1) and (A-2) quadrangles and cover an area of almost 4.5 miles.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Tin Secondary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
BC deposit profile C01. C02
Deposit model name Placer Au-PGE
Mark3 model number 54

Nearby scientific data

(1) -147.52489, 65.00273
ListMap

Comments on the geologic information

  • Geologic Description = Pedro Creek was a major placer gold producer in the Fairbanks mining district, with placered ground extending almost 4.5 miles, from the mouth of Twin Creek to the confluence with Gilmore Creek. Placer gold on Pedro Creek is both very fine and coarse and was found in the bottom 2 to 7 feet of gravel and the top 1 to 5 feet of bedrock (Prindle, 1904; Brooks, 1905). The depth to quartzite schist bedrock is 9 to 35 feet (Prindle, 1904; Prindle and Katz, 1909). Heavy minerals found with the gold are magnetite, garnet, rutile and pyrite (Prindle, 1905). The paystreak is from 4 to over 200 feet wide (Brooks, 1905). Mining was by drifting, open cuts, and dredges (Cobb, 1976; OFR 76-633). U.S.S.R. "&" M. Co. dredge no. 4 was built on Pedro Creek in 1939, and the dredge worked there from 1939 to 1942, and from 1952 to 1958 (R.M. Chapman, U.S.G.S. unpublished memorandum, 1978). Recent mining has been reported near the mouth of Steamboat Creek (D. Grybeck, oral commun., 1999). The value of gold produced from 1903 to 1910 was $1,250,000 (the gold was then valued at $17.68 per ounce) (Prindle and Katz, 1913). More recent production figures are not available.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Fairbanks

Comments on the production information

  • Production Notes = The value of gold produced from 1903 to 1910 was $1,250,000 with the gold then valued at $17.68 per ounce (Prindle and Katz, 1913).

Comments on the workings information

  • Workings / Exploration = Mining was by drifting, open cuts, and dredges (Cobb, 1976; OFR 76-633). No mining was reported from 1917 through 1925. U.S.S.R. "&" M. Co. dredge no. 4 was built on Pedro Creek in 1939 and the dredge worked there from 1939 to 1942, and from 1952 to 1958 (R.M. Chapman, U.S.G.S. unpublished memorandum, 1978). Recent mining has been reported near the mouth of Steamboat Creek (D. Grybeck, oral commun., 1999).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015507
USGS Alaska Resource Data File ARDF LG064

Bibliographic references

  • Deposit

    Prindle, L.M., 1904, Gold placers of the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 225, p. 64-73.

  • Deposit

    Brooks, A.H., 1905, Placer mining in Alaska in 1904: U.S. Geological Survey Bulletin 259, p. 18-31.

  • Deposit

    Prindle, L.M., 1905, The gold placers of the Fortymile, Birch Creek, and Fairbanks regions, Alaska: U.S. Geological Survey Bulletin 251, 89 p.

  • Deposit

    Purington, C.W., 1905, Methods and costs of gravel and placer mining in Alaska: U.S. Geological Survey Bulletin 263, 273 p.

  • Deposit

    Brooks, A.H., 1907, The Alaskan mining industry in 1906: U.S. Geological Survey Bulletin 314, p. 19-39.

  • Deposit

    Prindle, L.M., 1908, The Fairbanks and Rampart quadrangles, Yukon-Tanana region, Alaska, with a section on the Rampart placers, by F.L. Hess, and a paper on the water supply of the Fairbanks region, by C.C. Covert: U.S. Geological Survey Bulletin 337, 102 p.

  • Deposit

    Prindle, L.M., and Katz, F.J., 1909, The Fairbanks gold-placer region: U.S. Geological Survey Bulletin 379, p. 181-200.

  • Deposit

    Ellsworth, C.E., 1910, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 442, 432 p.

  • Deposit

    Ellsworth, C.E., and Parker, G.L., 1911, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 480, 325 p.

  • Deposit

    Ellsworth, C.E., 1912, Placer mining in the Fairbanks and Circle Disctricts: U.S. Geological Survey Bulletin 520, p. 240-245.

  • Deposit

    Ellsworth, C.E., and Davenport, R.W., 1913, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 542, 303 p.

  • Deposit

    Prindle, L.M., and Katz, F.J., 1913, Detailed description of the Fairbanks district, in Prindle, L. M., A geologic reconnaissance of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Bulletin 525, p. 59-152.

  • Deposit

    Brooks, A.H., 1914, Mineral resources of Alaska in 1913: U.S. Geological Survey Bulletin 592, p. 340-341.

  • Deposit

    Eakin, H.M., 1915, Placer mining in Seward Peninsula: U.S. Geological Survey Bulletin 622-I, p. 366-373.

  • Deposit

    Brooks, A.H., 1916, Antimony deposits of Alaska: U.S. Geological Survey Bulletin 649, 67 p.

  • Deposit

    Smith, P.S., 1917, The mining industry in the territory of Alaska during the calendar year 1915: U.S. Bureau of Mines Bulletin 142, 66 p.

  • Deposit

    Smith, P.S., 1917, The mining industry in the territory of Alaska during the calendar year 1916: U.S. Bureau of Mines Bulletin 153, 89 p.

  • Deposit

    Brooks, A.H., 1918, Mineral resources of Alaska, 1916: U.S. Geological Survey Bulletin 662, 469 p.

  • Deposit

    Smith, P.S., 1929, Mineral industry of Alaska in 1926: U.S. Geological Survey Bulletin 797, p. 1-50.

  • Deposit

    Smith, P.S., 1930, Mineral industry of Alaska in 1927: U.S. Geological Survey Bulletin 810-A, p. 1-64.

  • Deposit

    Smith, P.S., 1930, Mineral industry of Alaska in 1928: U.S. Geological Survey Bulletin 813, p. 1-72.

  • Deposit

    Smith, P.S., 1932, Mineral industry of Alaska in 1929, in Smith, P.S., and others Mineral resources of Alaska, report on progress of investigations in 1929: U.S. Geological Survey Bulletin 824-A, p. 1-81.

  • Deposit

    Smith, P.S., 1933, Mineral industry of Alaska in 1930: U.S. Geological Survey Bulletin 836, p. 1-83.

  • Deposit

    Smith, P.S., 1933, Mineral industry of Alaska in 1931: U.S. Geological Survey Bulletin 844-A, p. 1-81.

  • Deposit

    Smith, P.S., 1934, Mineral industry of Alaska in 1933: U.S. Geological Survey Bulletin 864-A, p. 1-94.

  • Deposit

    Smith, P.S., 1936, Mineral industry in Alaska in 1934: U.S. Geological Survey Bulletin 868-A, p. 1-91.

  • Deposit

    Smith, P.S., 1937, Mineral industry in Alaska in 1935: U.S. Geological Survey Bulletin 880-A, p. 1-95.

  • Deposit

    Smith, P.S., 1938, Mineral industry of Alaska in 1936: U.S. Geological Survey Bulletin 897-A, p. 1-107.

  • Deposit

    Smith, P.S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113.

  • Deposit

    Smith, P.S., 1939, Mineral industry of Alaska in 1938: U.S. Geological Survey Bulletin 917-A, p. 1-113.

  • Deposit

    Joesting, H.R., 1942, Strategic mineral occurences in interior Alaska: Alaska Territorial Department of Mines Pamphlet 1, 46 p.

  • Deposit

    Wedow, Helmuth, Jr., Killeen, P. L., and others, 1954, Reconnaissance for radioactive deposits in eastern interior Alaska, 1946: U.S. Geological Survey Circular 331, 36 p.

  • Deposit

    Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.

  • Deposit

    Smith, S.S., 1917, The mining industry in the territory of Alaska during the calendar year 1915: U.S. Bureau of Mines Bulletin 142, 66 p.

  • Deposit

    Chapin, Theodore, 1914, Lode mining near Fairbanks, Alaska: U.S. Geological Survey Bulletin 592-J, p. 321-355.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.

  • Deposit

    Prindle, L.M., 1906, Yukon placer fields: U.S. Geological Survey Bulletin 284, p. 109-127.

  • Deposit

    Smith, S.S., 1917, The mining industry in the territory of Alaska during the calendar year 1916: U.S. Bureau of Mines Bulletin 153, 89 p.

  • Deposit

    Smith, P.S., 1930, Mineral industry of Alaska in 1928: U.S. Geological Survey Bulletin 813-A, p. 1-72.

  • Deposit

    Smith, P.S., 1933, Mineral industry of Alaska in 1930: U.S. Geological Survey Bulletin 836-A, p. 1-83.

  • Deposit

    Smith, P.S., 1941, Mineral industry of Alaska in 1939: U.S. Geological Survey Bulletin 926-A, p. 1-106.

  • Deposit

    Smith, P.S., 1942, Mineral industry of Alaska in 1940: U.S. Geological Survey Bulletin 933-A, p. 1-102.

Comments on the references

  • Primary Reference = Cobb, 1976 (OFR 76-633)

General comments

Subject category Comment text
Deposit Model Name = Placer gold deposit (Cox and Singer, 1986; model 39a).
Deposit Other Comments = Felix Pedro discovered gold here in 1902 - the first discovery in the Fairbanks district.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-MAY-1999 C.J. Freeman Avalon Development Corporation
Reporter 04-MAY-1999 J.R. Guidetti Schaefer Avalon Development Corporation