Deposit ID | 10307474 |
---|---|
Record type | Site |
Current site name | Platypus Mountain |
Geographic coordinates: | -146.4067, 62.85364 (WGS84) |
---|---|
Relative position | This occurrence is on a rounded mountain labeled '4666' on the USGS 1:63,360-scale, topographic map; it is in a range locally called the Alphabet Hills. The occurrence is about 2.5 miles north-northeast of the point where Keg Creek bends from southwest to south. The occurrence is on the southwest flank of the mountain at an elevation of about 4100 feet. It is in the NW1/4NW1/4, section 5, T. 12 N., R. 6 W., Copper River Meridian. The prospect is known accurately within 500 feet. |
(click for info) |
Country | State |
---|---|
United States | Alaska |
Commodity | Importance |
---|---|
Silver | Primary |
Gold | Primary |
Copper | Primary |
Materials | Type of material |
---|---|
Azurite | Ore |
Chalcocite | Ore |
Chalcopyrite | Ore |
Malachite | Ore |
Pyrite | Ore |
Chlorite | Gangue |
Model code | 90 |
---|---|
USGS model code | 24a |
Deposit model name | Massive sulfide, Cyprus |
Mark3 model number | 11 |
(1) | -146.4067, 62.85364 |
---|
Development status | Occurrence |
---|
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Alaska Resource Data File | ARDF | GU003 |
Arehart, G.B., 1982, Reconnaissance geology/geochemistry of the Alphabet Hills, Gulkana Quadrangle, Alaska: Noranda Exploration, 4 p., maps and appendices. (Report held by Ahtna Minerals Co., Anchorage, Alaska).
Subject category | Comment text |
---|---|
Deposit | Model Name = Cyprus massive sulfide (Cox and Singer, 1986, model 24a) |
Deposit | Other Comments = Arehart (1982) reported numerous copper occurrences in intermediate and mafic volcanics near the Platypus Mountain occurrence. Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska. |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 20-DEC-00 | W.T. Ellis | Alaska Earth Sciences | |
Reporter | 20-DEC-00 | Hawley, C.C. | Hawley Resource Group | |
Reporter | 20-DEC-00 | W.J. Nokleberg | U.S. Geological Survey |