Map symbol | Lithology | Unit name |
---|---|---|
w | Water |
Deposit name | Deposit type | Location |
---|---|---|
Brimstone Pond | Occurrence | Newfoundland, Canada |
Southwest Direction Mountain | Occurrence | Newfoundland, Canada |
Tract name | Deposit type | Geology |
---|---|---|
Alaska Peninsula and Aleutian Islands | porphyry copper | Tertiary felsic to intermediate composition intrusions of the Alaska Peninsula and Aleutian Islands |
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. |