| Deposit ID | 10307755 |
|---|---|
| Record type | Site |
| Current site name | Terra Cotta Mountains |
| Geographic coordinates: | -153.509, 61.94088 (WGS84) |
|---|---|
| Relative position | This occurrence is on a ridge in the Terra Cotta Mountains, east of upper Post River. It is on the north flank of peak 5830, at an elevation of about 5,400 feet. The map site is in the NW1/4 section 4, T 21 N, R 23 W, of the Seward Meridian. This occurrence is sample locations 809 and 810 of Allen (1990); Allen and others (1990), and Allen and Slaughter (1990). |
Political divisions (FIPS codes)
Bethel(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lime Hills D-2(quadrangle 1:63,360 scale)
Lime Hills NE(quadrangle 1:100,000 scale)
Lime Hills(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Kuskokwim River(hydrologic accounting unit)
Southwest(hydrologic subregion)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Copper | Primary |
| Lead | Primary |
| Antimony Critical | Primary |
| Materials | Type of material |
|---|---|
| Arsenopyrite | Ore |
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Stibnite | Ore |
| Quartz | Gangue |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| (1) | -153.509, 61.94088 |
|---|
| Development status | Occurrence |
|---|
| District name | McGrath |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Alaska Resource Data File | ARDF | LH008 |
Nokleberg, W.J., and others, 1994, Metallogeny and major mineral deposits of Alaska and Metallogenic map of significant metalliferous lode deposits and placer districts of Alaska, in Plafker, G. and Berg, H.C., eds., The Geology of Alaska: Boulder, Colorado, Geological Society of America: The Geology of North America, v. G1, p. 855-904 and v. G1, Plate 11, scale 1:2,500,000.
Allen, M.S, 1990, Gold anomalies and newly identified gold occurrences in the Lime Hills quadrangle, Alaska , and their association with the Hartman sequence plutons, in Goldfarb, R. J., Nash, J. T., and Stoeser, J. W., eds., Geochemical studies in Alaska by the U.S. Geological Survey, 1989: U.S. Geological Survey Bulletin 1950, p. F1-F16.
Allen, M. S., Malcolm, M. J., Motooka, J. M., and Slaughter, K. E., 1990, Geologic description, chemical analyses, and sample locality map for rock samples collected from the eastern part of the Lime Hills quadrangle, Alaska: U.S. Geological Survey Open-File Report 90-69, 49 p..
Allen, M.S., and Slaughter, K. E., 1990, Mineralogical data and sample locality map of nonmagnetic, heavy-mineral-concentrate samples collected from the eastern part of the Lime Hills quadrangle, Alaska: U.S. Geological Survey Open-File Report 90-67, 64 p., 1 plate, scale 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | Model Name = Polymetallic veins (Cox and Singer, 1986, model 22c) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 10-JUN-01 | Travis L. Hudson | Applied Geology | |
| Reporter | 10-JUN-01 | Madelyn A. Millholland | Millholland & Associates |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.