Deposit ID | 10307770 |
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Record type | Site |
Current site name | Colorado Gossan |
Geographic coordinates: | -155.97701, 63.56046 (WGS84) |
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Relative position | The Colorado Gossan occurrence is located on a south-facing slope overlooking the broad saddle that contains the Montana Saddle prospect (MD018). The occurrence is at an elevation of 1,870 feet (570 m) in Section 28, T. 22 S., R. 15 E., of the Kateel River Meridian. The occurrence is precisely located as the reporter visited the site in 1996. |
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Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Arsenic | Secondary |
Mercury | Secondary |
Antimony | Secondary |
Materials | Type of material |
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Arsenopyrite | Ore |
Tourmaline | Gangue |
Model code | 72 |
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USGS model code | 19a |
Deposit model name | Polymetallic replacement |
Mark3 model number | 47 |
Host or associated | Associated | ||||
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(1) | -155.97701, 63.56046 |
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Development status | Occurrence |
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District name | Innoko |
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Agency | Database name | Acronym | Record ID | Notes |
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USGS | Alaska Resource Data File | ARDF | MD017 |
Mertie, J.B., Jr., 1936, Mineral deposits of the Ruby-Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 864-C, 115-245.
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.
Bundtzen, T.K., Pinney, D.S., and Laird, G.M., 1997, Preliminary geologic map and descriptive data tables from the Ophir C-1 and western Medfra C-6 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File Report 97-46, 10 p., 1 sheet, scale 1:63,360.
Subject category | Comment text |
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Deposit | Model Name = Polymetallic replacement deposit (Cox and Singer, 1986; model no. 19a) |
Deposit | Other Comments = Similar morphological features at Won-North prospect (MD021) and Win prospect (MD060). |
Type | Date | Name | Affiliation | Comment |
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Reporter | 03-JUN-98 | Bundtzen, T.K. | Pacific Rim Geological Consulting |