1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Baltimore Prospect

Past Producer in Whatcom county in Washington, United States with commodities Gold, Silver, Lead, Zinc
Map
XML
JSON
KML
B
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  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 10104135
MRDS ID M700007
Record type Site
Current site name Baltimore Prospect
Related records 10180789

Geographic coordinates

Geographic coordinates: -120.73788, 48.76399 (WGS84)
Elevation 1731
Location accuracy 1000(meters)
Relative position ABOUT 0.9 MI SOUTHWEST OF TAMARACK PEAK. 10 MI NORTHWEST OF HARTS PASS BY ROAD, Estimated From Map And Description In Moen. Location Is Likely Accurate

Site location context

Political divisions (FIPS codes)

Whatcom(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pasayten Peak(quadrangle 1:24,000 scale)

Robinson Mountain(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

Okanogan-Wenatchee National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Whatcom

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 038N 017E 27,28 W2 (27); E2 (28) Washington

Comments on the location information

  • UNSURVEYED. AT HEAD OF BARRON CREEK

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Tertiary
Zinc Critical Tertiary

Materials information

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

Analytical data

Result LOWEST ASSAY VALUES: 0108 OZ/TON AU, 0.9 OZ/TON AG
Result HIGHEST VALUES 4.92 OZ/TON AU, 2.6 OZ/TON AG
Result AVERAGE VALUE $15-20/TON. "HEADS" CONTAINED 0.64 OZ/TON AU, 0.5 OZ/TON AG.

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 Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation
    Rock description Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation

Nearby scientific data

(1) -120.73788, 48.76399
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Jur-Cret Fold And Thrust Belt Intruded By Cret-Tert Magamtic Arc Plutons
Type of structure Local
Structure description Faults, Strike N70-80e, Dip 60-70nw

Ore body information

  • General form VEIN
    Thickness 1.83M

Controls for ore emplacement

  • Faults

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1915
Discoverer A.L. Hendrickson

Mining district

District name Slate Creek District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Ownership information

  • Type Owner-Operator
    Owner Baltimore Mines, Inc.
    Home office Seattle, Wa
    Last year 1954

Workings at the site

  • Type of workings Surface/Underground
    Length 563.88M

Comments on the workings information

  • 1 MAIN ADIT (CAVED), SEVERAL OPEN CUTS.

Comments on development

  • FIRST CLAIM FILED IN 1915; 20 MORE CONTIGUOUS CLAIMS FILED 1930-1937. SPORADIC WORK ON CLAIMS FROM 1938-1950. AS OF 1966, THE PROPERTY APPEARED TO BE ABANDONED, BUT LOCATION NOTICES INDICATED THE PROPERTY WAS RESTAKED SEVERAL TIMES

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. 176.

  • Deposit

    MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 105-106.

  • Deposit

    STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1;100,000.

General comments

Subject category Comment text
Deposit QUARTZ VEINS AND THIN QUARTZ STRINGERS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-81 Caress, Mary E. (Evarts, Russ) U.S. Geological Survey
Updater 01-MAY-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site