Counties, states, countries, continents, or oceans | |
Nome | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Nome B-1 | 1:63,360 Alaska quadrangle |
Nome | 1:250,000 Alaska quadrangle |
Map symbol | Lithology | Unit name |
---|---|---|
w | Water |
ID | Data type | Description |
---|---|---|
Cady | M-D | Cady -9999 line km with spacing 0.40 km over parts of AK |
Nome | M/R-D | Nome 346 line km with spacing 9.60 km over parts of AK |
Domain | Crust type | Region |
---|---|---|
Brooks-Seward | Passive margin | Alaska |
Deposit name | Deposit type | Location |
---|---|---|
Nome | Occurrence | Alaska, United States |
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 |
Chukotka | porphyry copper | Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent. |
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. |