Map symbol | Lithology | Unit name |
---|---|---|
JTrpp | Tectonite | Pinnacle Peak Phyllite |
Kkbm | Tectonite | Khaz Complex |
Trn | Igneous - Volcanic | Nikolai and Goon Dip Greenstones and equivalent rocks |
Trwm | Sedimentary | Whitestripe Marble of southeast Alaska |
ID | Data type | Description |
---|---|---|
Gulf of Alaska | M-Dz | Gulf of Alaska 30899 line km with spacing 0.80 km over parts of AK |
Sitka '78 | M-D | Sitka '78 5536 line km with spacing 0.80 km over parts of AK |
Sitka | M/R-D | Sitka 579 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE03 | Low-sulfide Au-quartz veins | |
AK-SE10 | Basaltic Cu | |
AK-SE11 | Cyprus massive sulfide |
Domain | Crust type | Region |
---|---|---|
Chugach | Accretionary wedge | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
CCX078 | rock | |
CCX079 | rock | |
CCX080 | rock | |
CDC682 | rock | |
CDC683 | rock | |
CDC684 | rock | |
CDC685 | rock | |
CDC686 | rock | |
CDC687 | rock | |
CDC688 | rock | |
CDC689 | rock | |
CDC690 | rock | |
CDC691 | rock | |
CDC692 | rock | |
CDC693 | rock | |
CDC694 | rock | |
CDC695 | rock | |
CDC696 | rock | |
CDC697 | rock | |
CDC698 | rock | |
CDC699 | rock | |
CDC700 | rock | |
CDC701 | rock | |
CDC702 | rock | |
CDC703 | rock | |
CDC704 | rock | |
CDC705 | rock | |
CDC706 | rock | |
CDC707 | rock | |
CDC708 | rock | |
CDC709 | rock | |
LER266 | rock | igneous intermediate |
LER267 | rock | igneous intermediate |
LFL084 | rock | |
LFL085 | rock | |
LFL086 | rock | |
LFL087 | rock | |
LFL132 | sediment |
Sample ID | Rock type | Rock name |
---|---|---|
CCX078 | unspecified | |
CCX079 | unspecified | |
CCX080 | unspecified | |
CDC682 | unspecified | |
CDC683 | unspecified | |
CDC684 | unspecified | |
CDC685 | unspecified | |
CDC686 | unspecified | |
CDC687 | unspecified | |
CDC688 | unspecified | |
CDC689 | unspecified | |
CDC690 | unspecified | |
CDC691 | unspecified | |
CDC692 | unspecified | |
CDC693 | unspecified | |
CDC694 | unspecified | |
CDC695 | unspecified | |
CDC696 | unspecified | |
CDC697 | unspecified | |
CDC698 | unspecified | |
CDC699 | unspecified | |
CDC700 | unspecified | |
CDC701 | unspecified | |
CDC702 | unspecified | |
CDC703 | unspecified | |
CDC704 | unspecified | |
CDC705 | unspecified | |
CDC706 | unspecified | |
CDC707 | unspecified | |
CDC708 | unspecified | |
CDC709 | unspecified | |
LER266 | igneous | intermediate |
LER267 | igneous | intermediate |
LFL084 | unspecified | |
LFL085 | unspecified | |
LFL086 | unspecified | |
LFL087 | unspecified |
Site name | Development | Commodities |
---|---|---|
New Chichagof Mining Syndicate Gold Prospect | Occurrence | AU |
New Chichagof Mining Syndicate | Prospect | AU |
Site | Status | Commodities |
---|---|---|
New Chichagof Mining Syndicate | Undetermined | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
LFL132 | stream/river | precious metal mineralization;; New Chich Min Syn Pit, collected by USBM;; stream |
Tract name | Deposit type | Geology |
---|---|---|
Late Continental Arc | porphyry copper | Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Oligocene-Pliocene) |
Intermontane Island-Arc | porphyry copper | Porphyry Cu systems associated with pre-accretionary Triassic and Jurassic calc-alkalic island arcs that formed offshore of western North America |
Intermontane Island-Arc Cu-Au | porphyry copper | Triassic and Jurassic alkalic igneous rocks of accreted island arcs that formed offshore of western North America |
Insular Mixed Island- and Continental Arc | porphyry copper | Calc-alkalic igneous rocks of accreted Jurassic island-arc terranes |
Cordilleran Continental Arc | porphyry copper | Porphyry Cu systems associated with predominantly calc-alkalic igneous rocks of post-accretionary continental magmatic arcs (Jurassic-Eocene) |
Southeast Alaska Tertiary | porphyry copper | Tertiary subduction and postsubduction calc-alkalic plutons of southeast Alaska |
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. |