Counties, states, countries, continents, or oceans | |
Sitka | Borough |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Sitka C-7 | 1:63,360 Alaska quadrangle |
Sitka | 1:250,000 Alaska quadrangle |
ID | Data type | Description |
---|---|---|
Southeastern Alaska | M-D | Southeastern Alaska 12364 line km with spacing 9.60 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 |
---|---|---|
CDC324 | rock | |
CDC325 | rock | |
CDC326 | rock | |
CDC327 | rock | |
CDC328 | rock | |
CDC329 | rock | |
CDC330 | rock | |
CDC331 | rock | |
CDC332 | rock | |
CDC333 | rock | |
CDC334 | rock | |
CDC335 | rock | |
CDC336 | rock | |
CDC337 | rock | |
CDC338 | rock | |
CDC339 | rock | |
CDC340 | rock | |
CDC341 | rock | |
CDC342 | rock | |
CDC641 | rock | |
CDC889 | rock | |
CDC890 | rock | |
LEI704 | rock | sedimentary limestone |
LEI705 | rock | sedimentary limestone |
LEI706 | rock | sedimentary limestone |
LEI707 | rock | sedimentary limestone |
LEI708 | rock | sedimentary limestone |
LEQ172 | rock | |
LEQ173 | rock | |
LER105 | rock | sedimentary sandstone |
LER106 | rock | sedimentary sandstone |
LER107 | rock | sedimentary sandstone |
LER108 | rock | sedimentary sandstone |
LER109 | rock | igneous intermediate |
LER110 | rock | igneous intermediate |
M139231 | rock | igneous basalt |
Sample ID | Rock type | Rock name |
---|---|---|
CDC171 | unspecified | |
CDC172 | unspecified | |
CDC173 | unspecified | |
CDC174 | unspecified | |
CDC175 | unspecified | |
CDC176 | unspecified | |
CDC177 | unspecified | |
CDC178 | unspecified | |
CDC179 | unspecified | |
CDC325 | unspecified | |
CDC326 | unspecified | |
CDC327 | unspecified | |
CDC328 | unspecified | |
CDC329 | unspecified | |
CDC330 | unspecified | |
CDC331 | unspecified | |
CDC332 | unspecified | |
CDC333 | unspecified | |
CDC334 | unspecified | |
CDC335 | unspecified | |
CDC336 | unspecified | |
CDC337 | unspecified | |
CDC338 | unspecified | |
CDC339 | unspecified | |
CDC340 | unspecified | |
CDC341 | unspecified | |
CDC342 | unspecified | |
CDC641 | unspecified | |
CDC889 | unspecified | |
CDC890 | unspecified | |
LEI704 | sedimentary | limestone |
LEI705 | sedimentary | limestone |
LEI706 | sedimentary | limestone |
LEI707 | sedimentary | limestone |
LEI708 | sedimentary | limestone |
LEQ093 | unspecified | |
LEQ094 | unspecified | |
LEQ095 | unspecified | |
LEQ096 | unspecified | |
LEQ097 | unspecified | |
LEQ098 | unspecified | |
LEQ099 | unspecified | |
LEQ100 | unspecified | |
LEQ101 | unspecified | |
LEQ102 | unspecified | |
LEQ172 | unspecified | |
LEQ173 | unspecified | |
LER107 | sedimentary | sandstone |
LER108 | sedimentary | sandstone |
LER109 | igneous | intermediate |
LER110 | igneous | intermediate |
M139231 | metamorphic | metavolcanic |
Site name | Development | Commodities |
---|---|---|
Chichagof Prosperity | Prospect | AU |
Chicagof Prosperity Gold Prospect | Occurrence | AU |
Basoiniuer | Prospect | AU |
Site | Status | Commodities |
---|---|---|
Chichagof Prosperity | Undetermined | Au |
Basoiniuer; Bauer and Soni | Undetermined | Ag;Au |
Sample ID | Sample source | Sample notes |
---|---|---|
LEQ072 | stream/river | precious metal mineralization;; Chichagof Property, 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. |