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 |
Watershed boundaries (USGS hydrologic units) | |
Baranof-Chicagof Islands | hydrologic unit |
190102 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Map symbol | Lithology | Unit name |
---|---|---|
Kafv | Sedimentary | Volcanic rocks of Chugach accretionary complex |
Kkbm | Tectonite | Khaz Complex |
Kkbm | Tectonite | Khaz Complex |
Kkbm | Tectonite | Khaz Complex |
Ksg | Sedimentary | Sitka Graywacke, undivided |
Ksg | Sedimentary | Sitka Graywacke, undivided |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
w | Water |
ID | Data type | Description |
---|---|---|
Gulf of Alaska | M-Dz | Gulf of Alaska 30899 line km with spacing 0.80 km over parts of AK |
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 |
---|---|---|
C198490 | rock | igneous basalt |
CCX082 | rock | |
CCX083 | rock | |
CCX084 | rock | |
CCX085 | rock | |
CCX093 | rock | |
CCX342 | sediment | |
CCX343 | sediment | |
CCX345 | sediment | |
CCX426 | rock | |
CCX427 | rock | |
CCX428 | rock | |
CCX460 | sediment | |
CCX461 | sediment | |
CCX488 | sediment | |
CCX520 | rock | |
CCX521 | rock | |
CCX561 | concentrate | panned only concentrate |
CCX562 | concentrate | panned only concentrate |
CCX564 | concentrate | panned only concentrate |
CCX662 | concentrate | panned only concentrate |
CCX663 | concentrate | panned only concentrate |
CCX690 | concentrate | panned only concentrate |
CCX724 | rock | |
CCX725 | rock | |
CCX726 | rock | |
CCX727 | rock | |
CDC041 | rock | sedimentary shale |
CDC042 | rock | sedimentary shale |
CDC043 | rock | metamorphic quartzite |
CDC044 | rock | metamorphic quartzite |
CDC045 | rock | sedimentary shale |
CDC046 | rock | sedimentary shale |
CDC047 | rock | igneous intermediate |
CDC048 | rock | igneous intermediate |
CDC049 | rock | metamorphic phyllite-slate |
CDC050 | rock | metamorphic phyllite-slate |
CDC051 | rock | igneous intermediate |
CDC052 | rock | igneous intermediate |
CDC053 | rock | metamorphic schist |
CDC054 | rock | metamorphic schist |
CDC055 | rock | igneous intermediate |
CDC056 | rock | igneous intermediate |
CDC057 | rock | igneous intermediate |
CDC058 | rock | igneous intermediate |
CDC059 | rock | metamorphic schist |
CDC060 | rock | metamorphic schist |
CDC061 | rock | metamorphic schist |
CDC062 | rock | metamorphic schist |
CDC171 | rock | |
CDC172 | rock | |
CDC173 | rock | |
CDC174 | rock | |
CDC175 | rock | |
CDC176 | rock | |
CDC177 | rock | |
CDC178 | rock | |
CDC179 | rock | |
CDC216 | rock | |
CDC217 | rock | |
CDC218 | rock | |
CDC219 | rock | |
CDC220 | rock | |
CDC221 | rock | |
CDC222 | rock | |
CDC223 | rock | |
CDC224 | rock | |
CDC225 | rock | |
CDC226 | rock | |
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 | |
CDC759 | rock | |
CDC760 | rock | |
CDC761 | rock | |
CDC780 | rock | |
CDC781 | rock | |
CDC874 | rock | |
CDC875 | rock | |
CDC876 | rock | |
CDC877 | rock | |
CDC878 | rock | |
CDC879 | rock | |
CDC880 | rock | |
CDC881 | rock | |
CDC882 | rock | |
CDC883 | rock | |
CDC884 | rock | |
CDC885 | rock | |
CDC886 | rock | |
CDC887 | rock | |
CDC888 | rock | |
CDC889 | rock | |
CDC890 | rock | |
CDC891 | rock | |
EFH087 | concentrate | panned C3 fraction |
EFH088 | concentrate | panned C3 fraction |
EFH090 | concentrate | panned C3 fraction |
EFH173 | concentrate | panned C3 fraction |
EFH200 | concentrate | panned C3 fraction |
LEI704 | rock | sedimentary limestone |
LEI705 | rock | sedimentary limestone |
LEI706 | rock | sedimentary limestone |
LEI707 | rock | sedimentary limestone |
LEI708 | rock | sedimentary limestone |
LEI709 | rock | |
LEI710 | rock | |
LEI711 | rock | |
LEI712 | rock | |
LEI713 | rock | |
LEI714 | rock | |
LEI715 | rock | |
LEI716 | rock | |
LEI717 | rock | |
LEI718 | rock | |
LEI719 | rock | |
LEI720 | rock | |
LEI721 | rock | |
LEI722 | rock | |
LEI723 | rock | |
LEI724 | rock | |
LEI725 | rock | |
LEI726 | rock | |
LEI727 | rock | |
LEI740 | rock | |
LEI741 | rock | |
LEI742 | rock | |
LEI743 | rock | |
LEI744 | rock | |
LEI770 | rock | |
LEI771 | rock | |
LEI772 | rock | |
LEI773 | rock | |
LEI790 | rock | |
LEI791 | rock | |
LEI792 | rock | |
LEQ016 | rock | |
LEQ017 | rock | |
LEQ018 | rock | |
LEQ019 | rock | |
LEQ020 | rock | |
LEQ021 | rock | |
LEQ022 | rock | |
LEQ023 | rock | |
LEQ024 | rock | |
LEQ025 | rock | |
LEQ026 | rock | |
LEQ027 | rock | |
LEQ028 | rock | |
LEQ029 | rock | |
LEQ030 | rock | |
LEQ031 | rock | |
LEQ032 | rock | |
LEQ033 | rock | |
LEQ034 | rock | |
LEQ035 | rock | |
LEQ036 | rock | |
LEQ037 | rock | |
LEQ038 | rock | |
LEQ039 | rock | |
LEQ040 | rock | |
LEQ041 | rock | |
LEQ042 | rock | |
LEQ043 | rock | |
LEQ044 | rock | |
LEQ045 | rock | |
LEQ064 | sediment | |
LEQ072 | sediment | |
LEQ093 | rock | |
LEQ094 | rock | |
LEQ095 | rock | |
LEQ096 | rock | |
LEQ097 | rock | |
LEQ098 | rock | |
LEQ099 | rock | |
LEQ100 | rock | |
LEQ101 | rock | |
LEQ102 | rock | |
LEQ108 | rock | |
LEQ109 | rock | |
LEQ110 | rock | |
LEQ111 | rock | |
LEQ112 | rock | |
LEQ113 | rock | |
LEQ114 | rock | |
LEQ115 | rock | |
LEQ116 | rock | |
LEQ117 | rock | |
LEQ118 | rock | |
LEQ119 | rock | |
LEQ120 | rock | |
LEQ121 | rock | |
LEQ136 | rock | |
LEQ137 | rock | |
LEQ142 | rock | |
LEQ143 | rock | |
LEQ144 | rock | |
LEQ145 | rock | |
LEQ146 | rock | |
LEQ147 | rock | |
LEQ148 | rock | |
LEQ171 | rock | |
LEQ172 | rock | |
LEQ173 | rock | |
LEQ191 | rock | |
LEQ192 | rock | |
LEQ193 | rock | |
LEQ194 | rock | |
LEQ195 | rock | |
LEQ196 | rock | |
LEQ197 | rock | |
LEQ198 | rock | |
LEQ712 | rock | metamorphic schist |
LEQ713 | rock | metamorphic schist |
LER105 | rock | sedimentary sandstone |
LER106 | rock | sedimentary sandstone |
LER107 | rock | sedimentary sandstone |
LER108 | rock | sedimentary sandstone |
LER109 | rock | igneous intermediate |
LER110 | rock | igneous intermediate |
LER111 | rock | sedimentary sandstone |
LER112 | rock | sedimentary sandstone |
LER113 | rock | sedimentary sandstone |
LER114 | rock | sedimentary sandstone |
LER115 | rock | sedimentary siltstone |
LER116 | rock | sedimentary siltstone |
LER117 | rock | sedimentary sandstone |
LER118 | rock | sedimentary sandstone |
LER119 | rock | igneous intermediate |
LER120 | rock | igneous intermediate |
LER121 | rock | sedimentary sandstone |
LER122 | rock | sedimentary sandstone |
LER228 | rock | |
LER229 | rock | |
LER234 | rock | |
LER235 | rock | |
LER273 | rock | sedimentary siltstone |
LER274 | rock | sedimentary siltstone |
LER296 | rock | sedimentary sandstone |
LER297 | rock | sedimentary sandstone |
LER338 | rock | sedimentary sandstone |
LER339 | rock | sedimentary siltstone |
LER340 | rock | sedimentary sandstone |
LER341 | rock | sedimentary siltstone |
LER861 | rock | |
LER862 | rock | |
LER981 | rock | metamorphic unspecified |
LFL075 | rock | |
LFL076 | rock | |
LFL077 | rock | |
LFL078 | rock | |
LFL079 | rock | |
LFL080 | rock | |
LFL081 | rock | |
LFL082 | rock | |
LFL083 | rock | |
LFL088 | rock | |
LFL089 | rock | |
LFL090 | rock | |
LFL091 | rock | |
LFL092 | rock | |
LFL093 | rock | |
LFL094 | rock | |
LFL105 | rock | |
LFL106 | rock | |
LFL129 | sediment | |
LFL130 | sediment | |
LFL131 | sediment | |
LFL366 | sediment | |
LFQ178 | rock | |
LFQ179 | rock | |
LFQ180 | rock | |
LFQ181 | rock | |
LFQ182 | rock | |
LFQ183 | rock | |
LFQ184 | rock | |
LFQ185 | rock | |
LFQ186 | rock | |
LFQ187 | rock | |
LFQ188 | rock | |
LFQ189 | rock | |
LFQ190 | rock | |
LFQ191 | rock | |
LFQ192 | rock | |
LFQ193 | rock | |
LFQ194 | rock | |
LFQ200 | rock | |
LFQ201 | rock | |
LFQ202 | rock | |
LFS221 | rock | |
LFS233 | rock | |
LFS234 | rock | |
LFS235 | rock | |
LFS236 | rock | |
M139231 | rock | igneous basalt |
M139244 | rock | metamorphic phyllite |
Sample ID | Rock type | Rock name |
---|---|---|
C198490 | igneous | basalt |
CCX082 | unspecified | |
CCX083 | unspecified | |
CCX084 | unspecified | |
CCX085 | unspecified | |
CCX086 | unspecified | |
CCX087 | unspecified | |
CCX088 | unspecified | |
CCX093 | unspecified | |
CCX426 | unspecified | |
CCX427 | unspecified | |
CCX428 | unspecified | |
CCX520 | unspecified | |
CCX521 | unspecified | |
CCX724 | unspecified | |
CCX725 | unspecified | |
CCX726 | unspecified | |
CCX727 | unspecified | |
CDC041 | sedimentary | shale |
CDC042 | sedimentary | shale |
CDC043 | metamorphic | quartzite |
CDC044 | metamorphic | quartzite |
CDC045 | sedimentary | shale |
CDC046 | sedimentary | shale |
CDC047 | igneous | intermediate |
CDC048 | igneous | intermediate |
CDC049 | metamorphic | phyllite-slate |
CDC050 | metamorphic | phyllite-slate |
CDC051 | igneous | intermediate |
CDC052 | igneous | intermediate |
CDC053 | metamorphic | schist |
CDC054 | metamorphic | schist |
CDC055 | igneous | intermediate |
CDC056 | igneous | intermediate |
CDC057 | igneous | intermediate |
CDC058 | igneous | intermediate |
CDC059 | metamorphic | schist |
CDC060 | metamorphic | schist |
CDC061 | metamorphic | schist |
CDC062 | metamorphic | schist |
CDC171 | unspecified | |
CDC172 | unspecified | |
CDC173 | unspecified | |
CDC174 | unspecified | |
CDC175 | unspecified | |
CDC176 | unspecified | |
CDC177 | unspecified | |
CDC178 | unspecified | |
CDC179 | unspecified | |
CDC216 | unspecified | |
CDC217 | unspecified | |
CDC218 | unspecified | |
CDC219 | unspecified | |
CDC220 | unspecified | |
CDC221 | unspecified | |
CDC222 | unspecified | |
CDC223 | unspecified | |
CDC224 | unspecified | |
CDC225 | unspecified | |
CDC226 | unspecified | |
CDC324 | 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 | |
CDC759 | unspecified | |
CDC760 | unspecified | |
CDC761 | unspecified | |
CDC780 | unspecified | |
CDC781 | unspecified | |
CDC874 | unspecified | |
CDC875 | unspecified | |
CDC876 | unspecified | |
CDC877 | unspecified | |
CDC878 | unspecified | |
CDC879 | unspecified | |
CDC880 | unspecified | |
CDC881 | unspecified | |
CDC882 | unspecified | |
CDC883 | unspecified | |
CDC884 | unspecified | |
CDC885 | unspecified | |
CDC886 | unspecified | |
CDC887 | unspecified | |
CDC888 | unspecified | |
CDC889 | unspecified | |
CDC890 | unspecified | |
CDC891 | unspecified | |
LEI704 | sedimentary | limestone |
LEI705 | sedimentary | limestone |
LEI706 | sedimentary | limestone |
LEI707 | sedimentary | limestone |
LEI708 | sedimentary | limestone |
LEI709 | unspecified | |
LEI710 | unspecified | |
LEI711 | unspecified | |
LEI712 | unspecified | |
LEI713 | unspecified | |
LEI714 | unspecified | |
LEI715 | unspecified | |
LEI716 | unspecified | |
LEI717 | unspecified | |
LEI718 | unspecified | |
LEI719 | unspecified | |
LEI720 | unspecified | |
LEI721 | unspecified | |
LEI722 | unspecified | |
LEI723 | unspecified | |
LEI724 | unspecified | |
LEI725 | unspecified | |
LEI726 | unspecified | |
LEI727 | unspecified | |
LEI740 | unspecified | |
LEI741 | unspecified | |
LEI742 | unspecified | |
LEI743 | unspecified | |
LEI744 | unspecified | |
LEI770 | unspecified | |
LEI771 | unspecified | |
LEI772 | unspecified | |
LEI773 | unspecified | |
LEI774 | unspecified | |
LEI775 | unspecified | |
LEI776 | unspecified | |
LEI777 | unspecified | |
LEI778 | unspecified | |
LEI779 | unspecified | |
LEI790 | unspecified | |
LEI791 | unspecified | |
LEI792 | unspecified | |
LEQ016 | unspecified | |
LEQ017 | unspecified | |
LEQ018 | unspecified | |
LEQ019 | unspecified | |
LEQ020 | unspecified | |
LEQ021 | unspecified | |
LEQ022 | unspecified | |
LEQ023 | unspecified | |
LEQ024 | unspecified | |
LEQ025 | unspecified | |
LEQ026 | unspecified | |
LEQ027 | unspecified | |
LEQ028 | unspecified | |
LEQ029 | unspecified | |
LEQ030 | unspecified | |
LEQ031 | unspecified | |
LEQ032 | unspecified | |
LEQ033 | unspecified | |
LEQ034 | unspecified | |
LEQ035 | unspecified | |
LEQ036 | unspecified | |
LEQ037 | unspecified | |
LEQ038 | unspecified | |
LEQ039 | unspecified | |
LEQ040 | unspecified | |
LEQ041 | unspecified | |
LEQ042 | unspecified | |
LEQ043 | unspecified | |
LEQ044 | unspecified | |
LEQ045 | unspecified | |
LEQ093 | unspecified | |
LEQ094 | unspecified | |
LEQ095 | unspecified | |
LEQ096 | unspecified | |
LEQ097 | unspecified | |
LEQ098 | unspecified | |
LEQ099 | unspecified | |
LEQ100 | unspecified | |
LEQ101 | unspecified | |
LEQ102 | unspecified | |
LEQ108 | unspecified | |
LEQ109 | unspecified | |
LEQ110 | unspecified | |
LEQ111 | unspecified | |
LEQ112 | unspecified | |
LEQ113 | unspecified | |
LEQ114 | unspecified | |
LEQ115 | unspecified | |
LEQ116 | unspecified | |
LEQ117 | unspecified | |
LEQ118 | unspecified | |
LEQ119 | unspecified | |
LEQ120 | unspecified | |
LEQ121 | unspecified | |
LEQ136 | unspecified | |
LEQ137 | unspecified | |
LEQ142 | unspecified | |
LEQ143 | unspecified | |
LEQ144 | unspecified | |
LEQ145 | unspecified | |
LEQ146 | unspecified | |
LEQ147 | unspecified | |
LEQ148 | unspecified | |
LEQ171 | unspecified | |
LEQ172 | unspecified | |
LEQ173 | unspecified | |
LEQ191 | unspecified | |
LEQ192 | unspecified | |
LEQ193 | unspecified | |
LEQ194 | unspecified | |
LEQ195 | unspecified | |
LEQ196 | unspecified | |
LEQ197 | unspecified | |
LEQ198 | unspecified | |
LEQ712 | metamorphic | schist |
LEQ713 | metamorphic | schist |
LER105 | sedimentary | sandstone |
LER106 | sedimentary | sandstone |
LER107 | sedimentary | sandstone |
LER108 | sedimentary | sandstone |
LER109 | igneous | intermediate |
LER110 | igneous | intermediate |
LER111 | sedimentary | sandstone |
LER112 | sedimentary | sandstone |
LER113 | sedimentary | sandstone |
LER114 | sedimentary | sandstone |
LER115 | sedimentary | siltstone |
LER116 | sedimentary | siltstone |
LER117 | sedimentary | sandstone |
LER118 | sedimentary | sandstone |
LER119 | igneous | intermediate |
LER120 | igneous | intermediate |
LER121 | sedimentary | sandstone |
LER122 | sedimentary | sandstone |
LER228 | unspecified | |
LER229 | unspecified | |
LER234 | unspecified | |
LER235 | unspecified | |
LER273 | sedimentary | siltstone |
LER274 | sedimentary | siltstone |
LER296 | sedimentary | sandstone |
LER297 | sedimentary | sandstone |
LER338 | sedimentary | sandstone |
LER339 | sedimentary | siltstone |
LER340 | sedimentary | sandstone |
LER341 | sedimentary | siltstone |
LER861 | unspecified | |
LER862 | unspecified | |
LER981 | metamorphic | unspecified |
LFL075 | unspecified | |
LFL076 | unspecified | |
LFL077 | unspecified | |
LFL078 | unspecified | |
LFL079 | unspecified | |
LFL080 | unspecified | |
LFL081 | unspecified | |
LFL082 | unspecified | |
LFL083 | unspecified | |
LFL088 | unspecified | |
LFL089 | unspecified | |
LFL090 | unspecified | |
LFL091 | unspecified | |
LFL092 | unspecified | |
LFL093 | unspecified | |
LFL094 | unspecified | |
LFL105 | unspecified | |
LFL106 | unspecified | |
LFQ178 | unspecified | |
LFQ179 | unspecified | |
LFQ180 | unspecified | |
LFQ181 | unspecified | |
LFQ182 | unspecified | |
LFQ183 | unspecified | |
LFQ184 | unspecified | |
LFQ185 | unspecified | |
LFQ186 | unspecified | |
LFQ187 | unspecified | |
LFQ188 | unspecified | |
LFQ189 | unspecified | |
LFQ190 | unspecified | |
LFQ191 | unspecified | |
LFQ192 | unspecified | |
LFQ193 | unspecified | |
LFQ194 | unspecified | |
LFQ200 | unspecified | |
LFQ201 | unspecified | |
LFQ202 | unspecified | |
LFS221 | unspecified | |
LFS233 | unspecified | |
LFS234 | unspecified | |
LFS235 | unspecified | |
LFS236 | unspecified | |
M139231 | metamorphic | metavolcanic |
M139244 | metamorphic | phyllite |
Site name | Development | Commodities |
---|---|---|
Hirst-Chichagof Mine | Past Producer | AU AG PB ZN CU AS |
Hirst-Chichagof Gold Mine | Producer | AU AG PB ZN CU |
Chichagoff Mine | Past Producer | AU AG PB AS |
Jumbo Gold Mine | Past Producer | AU PB ZN |
Alaska Chichogof Mining Co. Gold Mine | Past Producer | AU AG |
Hirst Chichagof | Past Producer | AU PB AG ZN |
Basoiniuer | Prospect | AU |
Radio | Past Producer | AU AG |
Gold Reef No. 1 Gold Prospect | Occurrence | AU |
Lillian and Princella Gold-Lead Prospect | Occurrence | AU PB |
Chichagof Prosperity | Prospect | AU |
McKallick Chichagof Mines | Prospect | AU CU PB AG |
Alaska Chichagof | Past Producer | AU AG |
Flora Gold Prospect | Occurrence | AU |
Radio Gold Prospect | Occurrence | AU |
Chicagof Prosperity Gold Prospect | Occurrence | AU |
Hanlon Gold Prospect | Occurrence | AU |
Golden Slipper | Prospect | AU AG |
Jumbo | Prospect | AU |
Hanlon | Prospect | AU |
Chichagof District | Producer | AU AG |
Site | Status | Commodities |
---|---|---|
Basoiniuer; Bauer and Soni | Undetermined | Ag;Au |
Winther | Undetermined | |
Eagle Group | Undetermined | |
Unnamed (shore of Black Bay) | Undetermined | |
Rain Bow | Undetermined | |
Bauer; Radio | Undetermined | Au |
Chichagof Prosperity | Undetermined | Au |
Hirst-Chichagof | Undetermined | Ag;Au |
Gloria B. | Undetermined | Au |
Hodson | Undetermined | Au |
Flora; Lillian and Princella; Mc... | Undetermined | Au |
Alaska Chichagof | Undetermined | Ag;Au |
Jumbo; Gold Reef No. 1; Minnesot... | Undetermined | Au |
Hanlon | Undetermined | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
CCX342 | stream/river | stream |
CCX343 | stream/river | stream |
CCX345 | stream/river | stream |
CCX460 | stream/river | stream |
CCX461 | stream/river | stream |
CCX488 | stream/river | stream |
LEQ064 | stream/river | precious metal mineralization;; Alaska Chichagof Mine, collected by USBM;; stream |
LEQ072 | stream/river | precious metal mineralization;; Chichagof Property, collected by USBM;; stream |
LFL129 | stream/river | precious metal mineralization;; Great Land Slide Mt Lydonia, collected by USBM;; stream |
LFL130 | stream/river | precious metal mineralization;; collected by USBM;; stream |
LFL131 | stream/river | precious metal mineralization;; collected by USBM;; stream |
LFL366 | stream/river | precious metal mineralization;; Fords Arm, collected by USBM;; stream |
Sample ID | Sample source | Sample notes |
---|---|---|
CCX561 | stream/river | stream |
CCX562 | stream/river | stream |
CCX564 | stream/river | stream |
CCX662 | stream/river | stream |
CCX663 | stream/river | stream |
CCX690 | stream/river | stream |
EFH087 | stream/river | stream |
EFH088 | stream/river | stream |
EFH090 | stream/river | stream |
EFH173 | stream/river | stream |
EFH200 | stream/river | 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. |