Counties, states, countries, continents, or oceans | |
Map quadrangles, from USGS or Canadian NTS | |
Petersburg C-1 | 1:63,360 Alaska quadrangle |
Petersburg | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Southeast Mainland | hydrologic unit |
190101 | hydrologic accounting unit |
Arctic Slope | hydrologic subregion |
Alaska | hydrologic region |
Areas administered by US Federal agencies | |
Tongass National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
Map symbol | Lithology | Unit name |
---|---|---|
Kmgr | Igneous - Plutonic | Granitic rocks of central and southeast Alaska |
MzPzss | Metamorphic | Metasedimentary and minor metavolcanic rocks along the west side of the Coast plutonic complex of Brew and Morrell (1979b) |
Pzgn | Metamorphic | Roof pendants of the Coast plutonic complex of Brew and Morrell (1979b) |
Qs | Unconsolidated | Unconsolidated surficial deposits, undivided |
Tmi | Igneous - Plutonic | Younger granitic rocks |
ID | Data type | Description |
---|---|---|
Petersburg '78 | M-D | Petersburg '78 13920 line km with spacing 1.60 km over parts of AK |
Petersburg | M/R-D | Petersburg 1472 line km with spacing 9.60 km over parts of AK |
Stikine - Groundhog Basin | M/EM-D | Stikine - Groundhog Basin 423 line km with spacing 0.40 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-SE05 | Sierran Kuroko mass. sulf. | |
AK-SE03 | Low-sulfide Au-quartz veins |
Domain | Crust type | Region |
---|---|---|
Taku | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
C104299 | sediment | |
C104573 | sediment | |
CCY625 | concentrate | panned C3 fraction |
CCY626 | concentrate | panned C3 fraction |
CCY627 | concentrate | panned C3 fraction |
CCY759 | sediment | |
CCY760 | sediment | |
CCY761 | sediment | |
CDE930 | rock | igneous intermediate |
CDK512 | concentrate | panned C3 fraction |
CDK513 | concentrate | panned C3 fraction |
CDK514 | concentrate | panned C3 fraction |
CEP551 | rock | metamorphic gneiss |
CEP552 | rock | igneous felsic porphyry |
CFJ591 | rock | igneous felsic |
CFJ600 | rock | igneous granite |
D221883 | sediment | |
D221884 | sediment | |
D221885 | sediment | |
F000441 | rock | metamorphic skarn |
F000442 | rock | metamorphic skarn |
M153880 | rock | igneous granite |
M184525 | rock | igneous granite |
M184526 | rock | igneous granite |
M184527 | rock | igneous granite |
M185390 | rock | igneous granite |
M193365 | rock | metamorphic greisen |
M193366 | rock | metamorphic skarn |
M193367 | rock | metamorphic greisen |
M193368 | rock | metamorphic greisen |
M193433 | rock | igneous granite |
M193434 | rock | igneous granite |
M193447 | rock | igneous granite |
Sample ID | Rock type | Rock name |
---|---|---|
CDE930 | igneous | intermediate |
CEP551 | metamorphic | gneiss |
CEP552 | igneous | felsic porphyry |
CFJ600 | igneous | felsic |
F000441 | metamorphic | skarn |
F000442 | metamorphic | skarn |
M153880 | igneous | granodiorite |
M184525 | igneous | granite |
M184526 | igneous | granite |
M184527 | igneous | granite |
M184529 | igneous | granite |
M184530 | igneous | aplite |
M185390 | igneous | granite |
M193365 | metamorphic | greisen |
M193366 | metamorphic | skarn |
M193367 | metamorphic | greisen |
M193368 | metamorphic | greisen |
M193433 | igneous | granite |
M193434 | igneous | granite |
M193438 | igneous | rhyolite porphyry |
M193447 | igneous | granite |
Sample ID | Sample source | Sample notes |
---|---|---|
C104299 | stream/river | stream deposit; REANALYZED STR SED:ORIG RASS JOBNO 11107;TAGNO CCY760;FIELDNO 0262; stream |
C104573 | stream/river | stream deposit; REANALYZED STR SED:ORIG RASS JOBNO 11107;TAGNO CCY759;FIELDNO 0261; stream |
CCY759 | stream/river | stream |
CCY760 | stream/river | stream |
CCY761 | stream/river | stream |
D221883 | stream/river | gravel; sandy; silty;; stream |
D221884 | stream/river | gravel; sandy; silty;; stream |
D221885 | stream/river | gravel; sandy; silty;; stream |
Sample ID | Sample source | Sample notes |
---|---|---|
CCY625 | stream/river | stream |
CCY626 | stream/river | insufficient sample - data qualitative;; stream |
CCY627 | stream/river | insufficient sample - data qualitative;; stream |
CDK512 | stream/river | stream |
CDK513 | stream/river | stream |
CDK514 | 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. |