Counties, states, countries, continents, or oceans | |
Nome | Census area |
Alaska | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Nome C-1 | 1:63,360 Alaska quadrangle |
Nome | 1:250,000 Alaska quadrangle |
Watershed boundaries (USGS hydrologic units) | |
Nome | hydrologic unit |
190501 | hydrologic accounting unit |
South Central Alaska | hydrologic subregion |
Alaska | hydrologic region |
ID | Data type | Description |
---|---|---|
Cady | M-D | Cady -9999 line km with spacing 0.40 km over parts of AK |
Nome 1993 | M/EM-D | Nome 1993 3856 line km with spacing 0.40 km over parts of AK |
Nome | M/R-D | Nome 346 line km with spacing 9.60 km over parts of AK |
Tract | Deposit Type | Mineralization age |
---|---|---|
AK-WC17 | Placer Au | |
AK-WC01 | Besshi massive sulfide | |
AK-WC09 | Low-sulfide Au-quartz veins | |
AK-WC27 | Sedex Zn-Pb |
Domain | Crust type | Region |
---|---|---|
Brooks-Seward | Passive margin | Alaska |
Lab ID | Sample medium | Description |
---|---|---|
BDN315 | sediment | |
BDN316 | sediment | |
BDN341 | sediment | |
BDN342 | sediment | |
BDN367 | sediment | |
BDN368 | sediment | |
BDN395 | sediment | |
BDN396 | sediment | |
BDN423 | sediment | |
BDN424 | sediment | |
BDN451 | sediment | |
BDN452 | sediment | |
BDN479 | sediment | |
BDN480 | sediment | |
BFQ020 | sediment | |
BFQ027 | sediment | |
BFQ097 | concentrate | panned only concentrate |
BFQ100 | concentrate | panned only concentrate |
BFQ128 | sediment | |
BFQ130 | sediment | |
BFQ169 | sediment | |
BFQ176 | sediment | |
BFQ216 | concentrate | panned only concentrate |
BFQ218 | concentrate | panned only concentrate |
BFQ281 | concentrate | panned only concentrate |
BFQ284 | concentrate | panned only concentrate |
BFQ286 | concentrate | panned only concentrate |
BFQ704 | sediment | |
BFQ708 | sediment | |
CAG038 | sediment | |
CAG054 | sediment | |
CAG056 | sediment | |
CJL689 | concentrate | panned only concentrate |
M125473 | sediment |
Site name | Development | Commodities |
---|---|---|
Sledge Creek | Prospect | AU AG SN W |
Unnamed (lower Boulder Creek) | Prospect | AU |
Boulder | Prospect | AU SB W |
Dakota | Prospect | AU SB W |
Twin Mountain Creek | Past Producer | W CU AU |
Unnamed (Boulder Creek east bench) | Prospect | AU AS W |
Boulder | Occurrence | W SB AU |
Boulder Creek | Occurrence | W SB BI AU |
Site | Status | Commodities |
---|---|---|
Sledge Creek | Probably inactive | Au |
Dakota | Inactive | Au? |
Unnamed (Boulder Creek east benc... | Inactive | Au |
Boulder Creek | Inactive | Au |
Unnamed (lower Boulder Creek) | Inactive | Au |
Sample ID | Sample source | Sample notes |
---|---|---|
BDN315 | stream/river | stream |
BDN316 | stream/river | stream |
BDN341 | stream/river | stream |
BDN342 | stream/river | stream |
BDN367 | stream/river | stream |
BDN368 | stream/river | stream |
BDN395 | stream/river | stream |
BDN396 | stream/river | stream |
BDN423 | stream/river | stream |
BDN424 | stream/river | stream |
BDN451 | stream/river | stream |
BDN452 | stream/river | stream |
BDN479 | stream/river | stream |
BDN480 | stream/river | stream |
BFQ020 | stream/river | stream |
BFQ027 | stream/river | stream |
BFQ128 | stream/river | stream |
BFQ130 | stream/river | stream |
BFQ169 | stream/river | stream |
BFQ176 | stream/river | stream |
BFQ704 | stream/river | stream |
BFQ708 | stream/river | stream |
CAG038 | stream/river | stream |
CAG054 | stream/river | stream |
CAG056 | stream/river | stream |
M125473 | stream/river | rock aggregate: graphitic schist, quartzite and ma;; stream |
Sample ID | Sample source | Sample notes |
---|---|---|
BFQ097 | stream/river | stream |
BFQ100 | stream/river | stream |
BFQ216 | stream/river | stream |
BFQ218 | stream/river | stream |
BFQ281 | stream/river | stream |
BFQ284 | stream/river | stream |
BFQ286 | stream/river | stream |
CJL689 | stream/river | precious metal mineralization;; Boulder Ck;; stream |
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 |
Chukotka | porphyry copper | Early to Late Cretaceous volcanic and intrusive rocks composing island-arc, continental-arc, and collisional magmatic belts associated with the Chukotka microcontinent. |
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. |