Albert Johnson Prospect

The Albert Johnson Prospect is a copper mine located in Alaska.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Albert Johnson Prospect
Secondary: Hubbard and Elliott Claims

Commodity

Primary: Copper

Location

State: Alaska

Land Status

Not available

Holdings

Not available

Workings

Type: Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Reg.Struct: Near Axis Of Large Asymmetric Anticline; Axis Roughly Parallel To Elliott Cr.

Type: L
Description: Ore Bearing Fissures Strike N 20 To 30 W With Another Ore Bearing Set At Approximately 90 Degrees; Many Veins Truncated By Barren Fissures

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Bornite
Ore: Copper
Gangue: Quartz
Gangue: Epidote
Gangue: Calcite

Comments

Comment (Deposit): SEE ALSO: GOODYEAR PROSPECT; COPPER KING PROSPECT; MOST DEVELOPMENTIN ELLIOTT CR. AREA WAS DONE ON GOODYEAR, ALBERT JOHNSON AND ELIZABETH CLAIMS; TOTAL OF 1500 TO 2000 FT OF UNDERGROUND WORKINGS AND SEVERAL OPEN CUTS IN ELLIOTT CR. BASIN; NO RECORD OF ANY PRODUCTION ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): BEST LOCATION: USGS BULL 745, PLATE III, LOC. 19. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Development): EXPL.COM: ELLIOTT CR. AREA FIRST STAKED IN 1899 BY. H. C. ELLIOTT AND CHAS. G. HUBBARD; NUMEROUS CLAIMS PATENTED BY 1907; PROSPECTING MAINLY BEFORE1916, ALTHOUGH APPARENT POST 1950 ACTIVITY HAS BEEN REPORTED

Comment (Deposit): BORNITE, CHALCOPYRITE AND NATIVE CU AS VEINS AND REPLACEMENT DEPOSITS IN FRACTURED GREENSTONE

Comment (Workings): AT LEAST TWO TUNNELS, ONE OF WHICH TOTALED 1076 FT IN LENGTH, NOT INCLUDING CROSSCUTS, IN AUGUST OF 1916; PRESENT CONDITION UNKNOWN

Comment (Geology): GEOL.COM: AREA GEOLOGY CONSISTS OF TRIASSIC NIKOLAI GREENSTONE OVERLAIN BY CHITISTONE LIMESTONE; SECTION HAS BEEN FOLDED INTO A LARGE ASYMMETRIC ANTICLINE, CUT BY NUMEROUS FAULTS, THEN OVERLAIN BY JURASSIC KOTSINA CONGLOMERATE; ORE DEPOSITS ARE RESTRICTED TO MINERALIZED SHEAR ZONES IN GREENSTONE. GREENSTONE INTRUDED BY DIORITE PORPHYRY.

References

Reference (Other Database): BAG-OFR-80-892B-54

Reference (Deposit): USGS OFR 80-892B, LOC. 54

Reference (Deposit): USGS MF-438, LOC. 64

Reference (Deposit): USGS BULL 662, P. 156-157

Reference (Deposit): USGS BULL 622, P. 112-113

Reference (Deposit): USGS BULL 745, P. 118-119

Reference (Deposit): USGS BULL 374, P. 70

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