Sampson

The Sampson is a mine located in Skamania county, Washington.

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: Sampson
Secondary: Earl
Secondary: Margaret Mine Project
Secondary: Spirit Lake

Commodity

Tertiary: Zinc
Tertiary: Silver
Tertiary: Molybdenum
Tertiary: Lead
Tertiary: Iron
Tertiary: Gold
Tertiary: Copper

Location

State: Washington
County: Skamania
District: Mount St. Helens

Land Status

Land ownership: National Forest
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.

Holdings

Type: Patented
Type: Located Claim
Type: Private Lease

Workings

Not available

Ownership

Owner Name: Mt. St. Helens Consolidated Mining,As Of 1926
Percent: 100.0
Home Office: Washington
Info Year: 1977

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Mining Method: Unknown
Discovery Year: 1900
Years of Production:
Organization:
Significant: N

Physiography

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

Mineral Deposit Model

Model Name: Porphyry Cu

Orebody

Form: breccia pipes

Structure

Not available

Alterations

Alteration Type: L
Alteration: propylitic

Alteration Type: L
Alteration: argillic

Alteration Type: L
Alteration: Quartz sericitic

Alteration Type: L
Alteration: silicic

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Azurite
Ore: Malachite
Ore: Silver
Ore: Pyrite
Ore: Gold
Ore: Chalcopyrite
Gangue: Tourmaline
Unknown: Sphalerite

Comments

Comment (Location): NOTE: SITE MAY BE BURIED UNDER DEBRIS FROM THE MAY 18, 1980 ERUPTION OF MOUNT ST. HELENS.

Comment (Location): See fig. 11 in Moen (1977, p. 20) for locations of the 13 patented claims that comprise the Earl Group (also known as Sampson).

References

Reference (Deposit): U.S. BUREAU OF MINES RI 5343, 1957, 16 P.

Reference (Deposit): Moen, W.S., 1977, St. Helens and Washougal Mining Districts of the sourthern Cascades of Washington: Washington Division of Geology and Earth Resources INFO. CIRC. 60, 1977, P. 25.

Reference (Deposit): WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1, P. 78.

Reference (Deposit): WAS. DIV. MINES AND GEOL. INFO. CIRC. 48, 1973, P. 15.

Reference (Deposit): HILLMAN, C. T., 1970, GEOLOGY OF THE MT. MARGARET-GREEN RIVER AREA, WASHINGTON: M.S. THESIS, MIAMI UNIV., OXFORD, OH.

Washington Gold

"Where to Find Gold in Washington" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Washington.