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Jerri Creek Sulfide Horizon

Prospect in Alaska, United States with commodities Zinc, Copper, Silver, Lead
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10001203
MRDS ID A011915
Record type Site
Current site name Jerri Creek Sulfide Horizon
Alternate or previous names Bt Claim Group, Jerry Creek

Geographic coordinates

Geographic coordinates: -155.95316, 67.12845 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Northwest Arctic(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Survey Pass A-6(quadrangle 1:63,360 scale)

Survey Pass S(quadrangle 1:100,000 scale)

Survey Pass(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Kobuk River(hydrologic unit)

Kobuk-Selawik Rivers(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-1176-F, LOC, 58; USGS OFR 81-355, P. 21 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Zinc Critical Primary
Copper Primary
Silver Primary
Lead Primary

Comments on the commodity information

  • PB ANOMALIES OVER THE MINERALIZED ZONE SUGGEST THE PRESENCE OF GALENA

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Actinolite Gangue
Apatite Gangue
Calcite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result SELECTED SAMPLES CONTAIN UP TO 0.72% CU, 2.15% ZN AND 0.40 OZ/TON AG, USGS MF-1176-F, LOC. 58

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -155.95316, 67.12845
ListMap

Economic information

Ore body information

  • Length 1200M

Comments on the geologic information

  • BT CLAIM GROUP COVERS 3 FAULT BOUNDED BLOCKS OF PELITIC, VOLCANIC AND CARBONATE STRATA WHICH HAVE UNDERGONE 2 MAJOR FOLDING EVENTS WITH SYNKINEMATIC METAMORPHISM; NORTHERN FAULT BLOCK, (CONTAINING JERRI CR. HORIZON) GRADES UPWARD FROM PELITIC SCHIST TO CALCAREOUS SCHIST AND MARBLE; THE HOST ROCK IS A 10-20 M THICK HORIZON OF INTERCALATED FELDSPATHIC, CALCAREOUS AND GRAPHITIC PELITIC SCHIST WITH LENSES OF A COMPOSITIONALLY BANDED ROCK; BANDED ROCK LAYERS: QUARTZ-ACTINOLITE-EPIDOTE WITH MINOR GARNET, CALCITE AND APATITE, QUARTZ-EPIDOTE WITH MINOR ACTINOLITE, GARNET AND CALCITE, AND QUARTZ-GARNET-CALCITE; INDIVIDUAL BANDS 0.5-2 CM THICK, SOME QUARTZ-RICH BANDS UP TO 1 M; SULFIDES ARE DISSEMINATED IN FELDSPATHIC SCHISTS AND COMPOSITIONALLY BANDED ROCK

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ambler

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner Anaconda Minerals Co. (Division Of Atlantic Richfield)

Comments on development

  • SOME DETAILED MAPPING AND SURFACE SAMPLING IN THE 1970'S; CURRENT STATUS UNKNOWN BUT PROBABLY ACTIVE

Reference information

Bibliographic references

  • Other Database

    BAG-MF-1176F-58

General comments

Subject category Comment text
Deposit SEE ALSO: SUN, ARCTIC [AMBLER RIVER], BT; BT IS ON SAME CLAIM GROUP AS JERRI CREEK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit FINE GRAINED, WEAKLY DISSEMINATED PYRITE, SPHALERITE AND CHALCOPYRITE OVER STRIKE DISTANCE OF AT LEAST 1200 M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-86 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-94 Mosier, Dan U.S. Geological Survey

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.