Counties, states, countries, continents, or oceans | |
Yukon-Koyukuk | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Medfra A-4 | 1:63,360 Alaska quadrangle |
Medfra | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Stony River | hydrologic unit |
190304 | hydrologic accounting unit |
Yukon | hydrologic subregion |
Alaska | hydrologic region |
ID | Data type | Description |
---|---|---|
Medfra '78 | M-D | Medfra '78 10702 line km with spacing 1.60 km over parts of AK |
Medfra | M/R-D | Medfra 2245 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-WC22 | Polymetallic vein | |
AK-WC17 | Placer Au |
Domain | Crust type | Region |
---|---|---|
Farewell-McGrath | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
AGC495 | soil | |
AGC496 | soil | |
AGC497 | soil | |
AGC498 | soil | |
AGC499 | soil | |
AGC500 | soil | |
AGC501 | soil | |
AGC502 | soil | |
AGC503 | soil | |
AGC504 | soil | |
AGC505 | soil | |
AGC506 | soil | |
AGC507 | soil | |
AGC508 | soil | |
AGC509 | soil | |
AGC510 | soil | |
AGC511 | soil | |
AGC512 | soil | |
AGC513 | soil | |
AGC514 | soil | |
AGC515 | soil | |
AGC516 | soil | |
AGC517 | soil | |
AGC518 | soil | |
AGC519 | soil | |
AGC520 | soil | |
AGC521 | soil | |
AGC522 | soil | |
AGC523 | soil | |
AGC524 | soil | |
AGC525 | soil | |
AGC526 | soil | |
AGC527 | soil | |
AGC528 | soil | |
AGC529 | soil | |
AGC530 | soil | |
AGC531 | soil | |
AGC532 | soil | |
AGC533 | soil | |
BFG171 | concentrate | panned C1 fraction |
BFN847 | concentrate | panned C3 fraction |
CCS060 | sediment | |
CCS132 | rock | igneous granite |
CCS220 | rock | igneous quartz monzonite |
CCS221 | rock | igneous quartz monzonite |
CCS230 | rock | metamorphic skarn |
CCS231 | rock | |
CCS232 | rock | metamorphic unspecified |
CCS233 | rock | metamorphic skarn |
CCS234 | rock | metamorphic skarn |
CCS355 | rock | igneous monzonite |
CCS356 | soil | |
CCS357 | rock | igneous granite |
CCS358 | rock | igneous unspecified |
CCS359 | rock | metamorphic skarn |
CCS363 | rock | igneous monzonite |
CCS364 | rock | metamorphic skarn |
CDF688 | concentrate | panned C3 fraction |
CDJ229 | concentrate | panned C2 fraction |
D153652 | concentrate | panned C3 fraction |
M138888 | mineral |
Sample ID | Rock type | Rock name |
---|---|---|
CCS132 | igneous | granite |
CCS232 | metamorphic | unspecified |
CCS233 | metamorphic | skarn |
CCS234 | metamorphic | skarn |
CCS355 | igneous | monzonite |
CCS357 | igneous | granite |
CCS358 | igneous | unspecified |
CCS359 | metamorphic | skarn |
CCS363 | igneous | monzonite |
CCS364 | metamorphic | skarn |
Sample ID | Sample source | Sample notes |
---|---|---|
AGC495 | ||
AGC496 | ||
AGC497 | ||
AGC498 | ||
AGC499 | ||
AGC500 | ||
AGC501 | ||
AGC502 | ||
AGC503 | ||
AGC504 | ||
AGC505 | ||
AGC506 | ||
AGC507 | ||
AGC508 | ||
AGC509 | ||
AGC510 | ||
AGC511 | ||
AGC512 | ||
AGC513 | ||
AGC514 | ||
AGC515 | ||
AGC516 | ||
AGC517 | ||
AGC518 | ||
AGC519 | ||
AGC520 | ||
AGC521 | ||
AGC522 | ||
AGC523 | ||
AGC524 | ||
AGC525 | ||
AGC526 | ||
AGC527 | ||
AGC528 | ||
AGC529 | ||
AGC530 | ||
AGC531 | ||
AGC532 | ||
AGC533 | ||
CCS356 | natural exposure/outcrop | associated with intermediate igneous rock; partially oxidized; mixed base-precious metal mineralization; replacement; plutonic igneous form associated with field station; |
Tract name | Deposit type | Geology |
---|---|---|
Yukon-Tanana Upland | porphyry copper | Kluane Arc and Tertiary Kuskokwim Mountains volcanic-plutonic belt (continuation of Canadian Cordilleran continental arc); north of the Denali Fault |
Western Alaska Range | porphyry copper | Cretaceous porphyry prospects along the Kahiltna Basin-Peninsula terrane boundary |
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. |