Terra Alta Prospect

The Terra Alta Prospect is a gold mine located in Whatcom county, Washington at an elevation of 5,121 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: Terra Alta Prospect

State:  Washington

County:  Whatcom

Elevation: 5,121 Feet (1,561 Meters)

Commodity: Gold

Lat, Long: 48.93806, -121.61444

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 Terra Alta Prospect

Terra Alta Prospect MRDS details

Site Name

Primary: Terra Alta Prospect


Commodity

Primary: Gold
Secondary: Silver


Location

State: Washington
County: Whatcom
District: Mount Baker District


Land Status

Land ownership: National Wilderness
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: In Mount Baker Wilderness In Mount Baker National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Terra Alta Mining Co.
Years: 1902 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1925
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Form: VEIN


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Not available


Analytical Data

Analytical Data: VALUES REPORTEDLY AS HIGH AS $306/TON. SAMPLES FROM DUMP ASSAYED 0.01 OZ/TON AU, 0.01 OZ/TON AG


Materials

Ore: Gold
Ore: Pyrite
Gangue: Quartz


Comments

Comment (Commodity): OLD LITERATURE INDICATES PRESENCE OF SULFIDE MINERALS. NEWER LITERATURE DOES NOT MENTION SULFIDES

Comment (Location): UNSURVEYED.

Comment (Deposit): QUARTZ STRINGERS

Comment (Workings): 3 ADITS: 500 FT, 100 FT, 10 FT. MAIN ADIT IS UNDER CIRQUE BASIN


References

Reference (Deposit): TABOR, R.W., HAUGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).

Reference (Deposit): LANDES, HENRY, THYNG, W.S., LYON, P.A., ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, PT 2, P 82.

Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37 P. 179.

Reference (Deposit): MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 94.


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