Tobique & Lalla Rookh Prospect

Occurrence in Snohomish county in Washington, United States with commodities Gold, Silver, Lead
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10036740
MRDS ID M025646
Record type Site
Current site name Tobique & Lalla Rookh Prospect

Geographic coordinates

Geographic coordinates: -121.39038, 47.99343 (WGS84)
Elevation 1219
Relative position ABOUT 0.5 MI NORTH OF MONTE CRISTO

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monte Cristo(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sauk(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Baker-Snoqualmie National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Henry M. Jackson Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 029N 011E 21 Washington

Comments on the location information

  • UNSURVEYED. JUST NORTH OF O AND B PROPERTY

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore

Analytical data

Result SEVERAL ASSAYS GAVE NO APPRECIABLE VALUES (JOHNSON AND OTHERS). OLD ASSAYS RAN $8-30/TON AU, 6-40 OZ/TON AG (HUNTTING)

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 Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Barlow Pass Volcanics
    Rock description Barlow Pass Volcanics
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene

Nearby scientific data

(1) -121.39038, 47.99343

Economic information

Ore body information

  • General form VEIN

Comments on the geologic information

  • GEOLOGIC MAP SHOWS AREA TO BE UNDERLAIN BY GROTTO BATHOLITH; AREA OF RHYOLITE IS POSSIBLY TOO SMALL TO SHOW ON MAP

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Monte Cristo District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Workings at the site

  • Type of workings Underground
    Length 9.14M

Comments on the workings information

  • 3 ADITS

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. 165.

  • Deposit

    JOHNSON, F.L., DENTON, D.K., IVERSON, S.R., MCCULLOCH, R.B., STEBBINS, S.A., AND STOTELMEYER, R.B., 1983, MINERAL RESOURCES OF THE GLACIER PEAK RARE II AREA (NO. L6031), SNOHOMISH COUNTY, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, P. 24.

  • Deposit

    TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE1:100,000.

General comments

Subject category Comment text
Deposit 12-15 FT FRACTURE ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-MAR-1992 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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