Boston Claims

Past Producer in Skagit county in Washington, United States with commodities Lead, Zinc, Silver, Gold, Copper, Arsenic
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10088858
MRDS ID M700366
Record type Site
Current site name Boston Claims

Geographic coordinates

Geographic coordinates: -121.05593, 48.50038 (WGS84)
Elevation 1753
Location accuracy 1000(meters)
Relative position ABOUT 2.3 MI NORTH OF CASCADE PASS. ABOUT 0.8 MI SOUTH-SOUTHEAST OF FORBIDDEN PEAK, Estimated At Head Of Boston Creek Based On Map In Moen

Site location context

Political divisions (FIPS codes)

Skagit(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Forbidden Peak(quadrangle 1:24,000 scale)

Mount Baker(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Skagit(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Washington Skagit

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035N}035N 013E}014E 24}19 S2 (24); S2 (19) Washington

Comments on the location information

  • UNSURVEYED. NORTH SIDE OF BOSTON BASIN

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Gold Secondary
Copper Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Grossularite Gangue
Quartz Gangue

Analytical data

Result 8 IN. CHIP SAMPLE IN ORE ACROSS BACK OF UPPER ADIT ASSAYED: 0.16 OZ/TON AU, 8.4 OZ/TON AG, 0.2% CU, 22.1% PB, 13% ZN
Result 6 FT OF ORE ASSAYED: 0.02 OZ/TON AU, TR AG, 0.4% PB, 1.5% ZN

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Eldorado Orthogneiss
    Rock description Eldorado Orthogneiss
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -121.05593, 48.50038

Economic information

Geologic structures

Type of structure Regional
Structure description Tight Folding Along North-Northwest Trending Axes
Type of structure Local
Structure description Some Faulting Across The Vein.

Ore body information

  • General form VEIN
    Thickness 0.2M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1895

Mining district

District name Cascade District

Land status

Ownership category National Park
Area name In North Cascades National Park

Ownership information

  • Type Owner
    Owner Behrens, Adolph And Sons Estate
    First year 1934

Production statistics

  • Year 1890
    Material ORE AG
    Accuracy Accurate
    Description Ap_Grade: ^8.4 Oz/Ton Ag In 8 In. Band
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 237g/mt

Comments on the production information

  • IN 1890S SOMETIME.

Workings at the site

  • Type of workings Underground
    Length 28.96M

Comments on the workings information

  • 35 FT ADIT, 60 FT LOWER ADIT.

Reference information

Bibliographic references

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 231.

  • Deposit

    MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 161-162.

  • Deposit

    TABOR, R.W., HARGERUD, 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).

General comments

Subject category Comment text
Deposit A 6-9 FT QUARTZ VEIN IN FOLIATED DIORITE.
Deposit 4 PATENTED CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-82 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey
Updater 01-MAR-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.