Counties, states, countries, continents, or oceans | |
Matanuska-Susitna | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Healy A-6 | 1:63,360 Alaska quadrangle |
Healy | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Chulitna River | hydrologic unit |
190205 | hydrologic accounting unit |
Northwest Alaska | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
Dmi | Metamorphic | Metamorphosed mafic igneous rocks |
JTrrb | Sedimentary | Red and brown sedimentary rocks and basalt |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
ID | Data type | Description |
---|---|---|
Talkeetna-Anchorage | M-Dz | Talkeetna-Anchorage 28968 line km with spacing 1.20 km over parts of AK |
Healy '82 | M-D | Healy '82 3975 line km with spacing 1.60 km over parts of AK |
Healy | M/R-D | Healy 2116 line km with spacing 9.60 km over parts of AK |
Chulitna | M/EM/V-D | Chulitna 2647 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SC21 | Porphyry Cu, BC-Ak type | |
AK-SC28 | Polymetallic vein | |
AK-SC31 | Cu (Au) skarn | |
AK-SC25 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Chulitna-Broad Pass | Oceanic arc | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
AGJ906 | sediment | |
AGJ907 | sediment | |
CEL389 | sediment | |
CEL391 | sediment | |
CEQ393 | concentrate | panned C3 fraction |
CEQ395 | concentrate | panned C3 fraction |
Site name | Development | Commodities |
---|---|---|
Golden Bell | Prospect | AU |
Unnamed (divide between Partin and Little Shotgun creeks) | Occurrence | CR PGE_PD PGE_PT NI |
Site | Status | Commodities |
---|---|---|
Unnamed (divide between Partin a... | Inactive | Cr |
Golden Bell | Inactive | Au |
Deposit name | Deposit type | Location |
---|---|---|
Unnamed (divide between Partin and Little Shotgun creeks) | Occurrence | Alaska, United States |
Sample ID | Sample source | Sample notes |
---|---|---|
AGJ906 | stream/river | stream |
AGJ907 | stream/river | stream |
CEL389 | stream/river | stream |
CEL391 | stream/river | stream |
Tract name | Deposit type | Geology |
---|---|---|
Yukon-Tanana Upland | porphyry copper | Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault |
Western Alaska Range | porphyry copper | Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary |
Pacific Margin | porphyry copper | Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia. |