Hillside

Occurrence in Alaska, United States with commodities Lead, Zinc, Iron

Geologic information

Identification information

Deposit ID 10308493
Record type Site
Current site name Hillside

Geographic coordinates

Geographic coordinates: -154.12895, 63.4395 (WGS84)
Relative position The Hillside lead occurrence is on a south-facing slope at 1,800 feet (549 m) in elevation near the West Fork of Beaver Creek; it is about 2,500 feet (760 m) southwest of the Beaver prospect in Section 6, T. 24 S., R. 25 E., of the Kateel River Meridian. Location is known within about 250 feet (76 m).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Lead Primary
Zinc Primary
Iron Secondary

Comments on the commodity information

  • Ore Material = iron-rich gossan

Materials information

Materials Type of material
Galena Ore
Goethite Ore
Dolomite Gangue

Mineral occurrence model information

Model code 227
USGS model code 32a
BC deposit profile E12
Deposit model name Mississippi valley, without Missouri
Mark3 model number 109
Model code 226
USGS model code 32a
BC deposit profile E12
Deposit model name Mississippi Valley, updated
Mark3 model number 108
Model code 224
USGS model code 32a
BC deposit profile E12
Deposit model name Mississippi Valley, S.E. Missouri Pb-Zn
Mark3 model number 42

Host and associated rocks

  • Host or associated Host
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (oldest) Early Cambrian

Nearby scientific data

(1) -154.12895, 63.4395

Comments on the geologic information

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Comments on the workings information

  • Workings / Exploration = The Hillside occurrence was discovered by WGM Inc. and Patino Ltd. during exploration for base metals in the 'Reef Ridge district' (Schmidt, 1997). Grab samples from surface exploration contain from 0.22 to 2.40 percent lead with up to 2,200 ppm zinc in a 100 feet by 50 feet (30 m by 15 m) area (Schmidt, 1997).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF MD049

Bibliographic references

  • Deposit

    Patton, W.W., Jr., Moll, E.J., Dutro, J.T., Jr., Silberman, M.L., and Chapman, R.M., 1980, Preliminary geologic map of Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-A, 1 sheet, scale l:250,000.

  • Deposit

    Blodgett, R.B., 1982, Stratigraphy of Reef Ridge project area: WGM Inc., Anchorage, Alaska, Reef Ridge Project area, Block 10, Doyon region: 34 pages.

  • 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.

  • Deposit

    Anderson, G.M., and Macqueen, R.W., 1988, Mississippi Valley Type lead-zinc deposits, in Roberts, R.G., and Sheahan, P.A., eds., Ore deposit models: Geoscience Canada Reprint Series 3, Ottawa, Canada, p. 79-90.

  • 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.

Comments on the references

  • Primary Reference = Schmidt, 1997

General comments

Subject category Comment text
Deposit Model Name = Southeast Missouri Pb-Zn (Cox and Singer, 1986; model no. 32a) or Mississippi Valley Type
Deposit Other Comments = See Beaver (MD048), Big Gate (MD050), and Bermuda (MD045) Mississippi Valley Type showings.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-JUN-98 Bundtzen, T.K. (Pacific Rim Geological Consulting) Pacific Rim Geological Consulting