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Wietchy Prospect

Prospect in Alaska, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10308556
Record type Site
Current site name Wietchy Prospect

Geographic coordinates

Geographic coordinates: -145.51295, 65.53673 (WGS84)
Relative position This prospect is located along the left fork, right limit of an unnamed creek directly north of Porcupine Dome in the SE1/4 NE1/4 sec. 8, T. 8 N., R. 11 E. This creek is unnamed on the U.S.Geological Survey map, but it is commonly known as Dome Creek. The creek labeled as Dome Creek on the U.S. Geological Survey Circle C-4 quadrangle map is incorrectly labeled; it has been referred to as West Dome Creek in some reports (Freeman and Adams, 1989, p. 12).

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Circle C-4(quadrangle 1:63,360 scale)

Circle NE(quadrangle 1:100,000 scale)

Circle C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Alteration

  • Disseminated sulfide, sericite.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

(1) -145.51295, 65.53673
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Mineralization in the area occurs in quartz veins, stockworks, and breccia hosted by intermediate intrusives, metaquartzite, pelitic calc-schist and metavolcanic schist of the Bonanza Creek sequence. Stockwork silicification and quartz-sericite-sulfide alteration are developed on the north flank of Porcupine Dome (Freeman and Adams, 1989). Hand trenching completed in 1989 and subsequent years released float boulders bearing free gold. The gold in rocks is associated with silver, arsenic, lead, antimony and zinc. Fire assay results from vein and stockwork mineralization average 2.96 ounces of gold per ton with a high value of 23.4 ounces of gold per ton. Exploration along strike of mineralization revealed a honey-comb stockwork and white quartz breccia similar to those on Porcupine Dome (Freeman and Adams, 1989).

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Active

Mining district

District name Circle

Comments on the workings information

  • Workings / Exploration = Hand trenching completed in 1989 and subsequent years released float boulders bearing free gold. The gold in rocks is associated with silver, arsenic, lead, antimony and zinc. Fire assay results from vein and stockwork mineralization average gold 2.96 ounce of gold per ton with a high value of 23.4 ounces of gold per ton. Exploration along strike of mineralization revealed a honey-comb stockwork and white quartz breccia similar to those on Porcupine Dome (Freeman and Adams, 1989).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Freeman and Adams, 1989.

General comments

Subject category Comment text
Deposit Model Name = Polymetallic gold-quartz veins and stockworks.
Deposit Other Comments = Vein and stockwork mineralization on the Weitchy Prospect represents a high grade, moderate tonnage exploration and development target (Freeman and Adams, 1989).

Reporter information

Type Date Name Affiliation Comment
Reporter 14-SEP-1998 C.J. Freeman, J.R. Guidetti Schaefer, A.S. Clements Avalon Development Corporation

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.