Triangle Fraction

The Triangle Fraction is a silver mine located in Alaska at an elevation of 561 feet.

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

Name: Triangle Fraction  

State:  Alaska

County:  na

Elevation: 561 Feet (171 Meters)

Commodity: Silver

Lat, Long: 65.7361, -164.85330

Map: View on Google Maps

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.


Satelite image of the Triangle Fraction

Triangle Fraction MRDS details

Site Name

Primary: Triangle Fraction
Secondary: Nos. 1-2 Kelly Bench
Secondary: Nos. 2-3 Above Merritts Discovery
Secondary: No. 2 Ll Above Merritts Discovery
Secondary: Nos. 12-13 Rl Benches
Secondary: Nos. 1-7 Bench
Secondary: Kougarok-Henry
Secondary: Kougarok River
Secondary: Holbrook Discovery Bench
Secondary: Nos. 1-2 Reindeer Bench
Secondary: Mabel Bench


Commodity

Primary: Silver
Tertiary: Lead
Tertiary: Mercury
Tertiary: Tin


Location

State: Alaska


Land Status

Not available


Holdings

Type: Located Claim


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Placer
Mining Method: Unknown
Years of Production:
Organization:
Significant: N


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Comment (Deposit): 11 CLAIMS STAKED 1954. 8 CLAIMS STAKED 1964. PROD. UP TO 1965: 69,752 OZ. AU, 7,049 OZ. AG (USBM FILES). BEDROCK IS COMPLEXLY FAULTED PRE-ORD. METASEDIMENTARY AND MAFIC VOLCANIC OR INTRUSIVE ROCKS AND YOUNGER PALEOZOIC CARBONATES. QUARTZ VEINS THAT CARRY PYRITE AND/OR COPPER SULFIDES ARE COMMON. PLACER CONCENTRATES CONTAIN MAGNETITE, PYRITE, GALENA. SILVER RICH SULFIDE, CASSITERITE, AND GOLD CEMENTED FRACTURED QUARTZ. MOST OF MAJOR PLACERS ARE RELATED TO ALTERED HIGH ANGLE OR THRUST FAULT-ZONES WHICH CONTAIN CRUSHED QTZ VEINLETS OR FINE-GRAINED SIO2 & PYRITE. REFERENCE POINT IS LOCATED AT THECONFLUENCE OF MACKLIN AND WASHINGTON CREEKS. A 1.5 CU YD (43 L) BUCKETLINE DREDGE WAS USED IN 1993 (SR 48).


References

Reference (Deposit): BUNDTZEN, T.K., R.C. SWAINBANK, A.H. CLOUGH, M.W. HENNING,

Reference (Deposit): AND E.W. HANSEN. ALASKA'S MINERAL INDUSTRY 1993. AK DIV.

Reference (Deposit): GEOL. AND GEOPHYS. SURV. SPEC. REP. 48, 1994, P. 27.

Reference (Deposit): OF536 p. 2

Reference (Deposit): B1374 pp. 76-77

Reference (Deposit): THE MAPMAKERS p. 18

Reference (Deposit): IR WMB 58 p. 6

Reference (Deposit): B722f p. 181

Reference (Deposit): B739a p. 9

Reference (Deposit): B755a p. 14

Reference (Deposit): B773a p. 27

Reference (Deposit): B783a p. 18

Reference (Deposit): B880A pp. 55, 62

Reference (Deposit): B897A pp. 63, 71

Reference (Deposit): B910A pp. 65-66, 76

Reference (Deposit): B917A pp. 64, 75

Reference (Deposit): B926A p. 61

Reference (Deposit): MR44-2

Reference (Deposit): B933A pp. 58, 68

Reference (Deposit): TDM5R p. 22

Reference (Deposit): C265 pp. 4, 6

Reference (Deposit): B1246 p. 118

Reference (Deposit): OF377 p. 30

Reference (Deposit): MF417

Reference (Deposit): OF508 p. 44

Reference (Deposit): B792a pp. 22, 24

Reference (Deposit): B797a pp. 27, 30

Reference (Deposit): B813a p. 42

Reference (Deposit): B824a p. 47

Reference (Deposit): B836a pp. 48-49

Reference (Deposit): B844A pp. 48, 54

Reference (Deposit): B857A pp. 45, 51

Reference (Deposit): B864A p. 51

Reference (Deposit): B868A pp. 53, 59

Reference (Ownership): ALASKA KARDEX 044-044

Reference (Deposit): B345n p. 266

Reference (Deposit): B358 p. 63

Reference (Deposit): B379p p. 296

Reference (Deposit): B442s pp. 364-365

Reference (Deposit): B480c p. 42

Reference (Deposit): B592u pp. 388, 394

Reference (Deposit): B622r p. 372

Reference (Deposit): BMB142 pp. 27-28

Reference (Deposit): B662q p. 452

Reference (Deposit): B712h p. 189

Reference (Deposit): B714k p. 233

Reference (Deposit): B722a p. 63


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