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Lawrence Mine

Past Producer in Bonner county in Idaho, United States with commodities Silver, Lead, Antimony, Gold, Copper, Zinc
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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. Alteration
  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. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10105566
MRDS ID W007734
Record type Site
Current site name Lawrence Mine
Related records 10265308

Geographic coordinates

Geographic coordinates: -116.16076, 48.14709 (WGS84)
Elevation 914
Relative position 1 1/2 MI E OF CLARK FORK, IDAHO

Site location context

Political divisions (FIPS codes)

Bonner(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clark Fork(quadrangle 1:24,000 scale)

Sandpoint(quadrangle 1:100,000 scale)

Sandpoint(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Bonner

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 055N 002E 01 Idaho

Comments on the location information

  • ON STEEP NW SLOPE OF ANTELOPE PEAK; PORTAL OF MAIN TUNNEL ARE JUST ABOVE MOSQUITO CREEK.

Commodities

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

Comments on the commodity information

  • RATIO AG:PB OF ORES PRODUCED, 1 OZ. AG: 5.44% PB.

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Calcite Gangue
Pyrite Gangue
Sericite Gangue
Siderite Gangue

Alteration

  • (Local) Outcrops Heavily Stained With Fe And Mn Oxides

Analytical data

Result 70% PB
Result 11 - 12 OZ AG
Result LESS THAN 0.01% CU LEAD ISOTOPES: PB206/PB204 = 18.320
Result PB207/PB204 = 15.570
Result PB208/PB204 = 38.477

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Striped Peak Form.-Argillite And Siltite With Some Shale;Wallace Form.-Calcareous Shales, Quartzite, Argillites
    Rock description Striped Peak Form.-Argillite And Siltite With Some Shale;Wallace Form.-Calcareous Shales, Quartzite, Argillites
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -116.16076, 48.14709
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On Broad W. Limb Of Syncline Whose Axis Is In Montana. Hope Fault Nearby.
Type of structure Local
Structure description Several Post - Mineral Faults (12 Ft Plus) Have Disturbed The Veins, But Ore Disturbed Little And Only Thin Selvage Gouge Exists.

Ore body information

  • General form PINCH AND SWELL
    Strike N 40 DEG E
    Dip 20 DEG SE
    Thickness 1.22M
    Width 6.1M
    Depth to bottom 304.8M
  • General form PINCH AND SWELL
    Dip 20 DEG SE

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1903

Mining district

District name Clark Fork District

Land status

Ownership category National Forest
Area name Kaniksu National Forest

Ownership information

  • Type Operator
    Owner Silverfields Corp.
  • Type Owner
    Owner Roy Anderson, Don Hoefner

Production statistics

  • Year 1943
    Period 1913 - 1943
    Material ?
    Description Cp_Grade: ^75 % Pb, 14 Oz Ag/Ton, Less Than 0.01 % Cu, Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Copper Copper 0wt-pct
    Major Silver Silver 443g/mt
    Lead Lead 75wt-pct
  • Year 1943
    Period 1913 - 1943
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^Less Than 0.01 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Copper Copper 0wt-pct
  • Year 1943
    Period 1913 - 1943
    Material AG
    Accuracy Accurate
    Description Cp_Grade: ^14 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 443g/mt
  • Year 1943
    Period 1913 - 1943
    Material PB
    Accuracy Accurate
    Description Cp_Grade: ^75 % Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Lead Lead 75wt-pct

Comments on the production information

  • SINCE 1913, $80,000 PRODUCED (PB WORTH 4 - 6 CENTS/LB IN 1930). SPOKANE CHRONICLE (2/5/69) REPORTED LAWRENCE PRODUCTION ABOUT $500,000. CONCENTRATE PRODUCTION INTERMITTENT

Workings at the site

  • Type of workings Underground
    Length 1919.33M
    Overall depth 54.86M

Comments on the workings information

  • 9 DRIFTS

Comments on development

  • 14 UNPATENTED CLAIMS, COMPLETE MINING EQUIPMENT, 50 - TON GRAVITY CONCENTRATOR

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., 1930, GEOLOGY AND ORE DEPOSITS OF THE CLARK FORK DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY BULL., NO. 12, 132 P.

  • Deposit

    SAVAGE, C. N., 1967, GEOLOGY AND MINERAL RESOURCES OF BONNER COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPORT, NO. 6, 131 P.

  • Deposit

    ANDERSON, A. L., 1947, LEAD - SILVER DEPOSITS OF THE CLARK FORK DISTRICT, BONNER COUNTY, IDAHO: U.S. GEOLOGICAL SURVEY BULL. 944 - B, 117 P.

  • Deposit

    USBM, 1975, ACTIVITY OF IDAHO MINING PROPERTIES, 1974, USBM, BOISE, ID., 61 P.

  • Deposit

    5) LORAIN, S. H., 1946, CLARK FORK LEAD - ZINC DISTRICT, BONNER CO., IDAHO: USBM RI 3992, 10 P.

  • Deposit

    6) WESTERN MINING NEWS, 1974-1975 DIRECTORY OF MINES IN IDAHO (COEUR D'ALENES) AND WASHINGTON, P. 127.

  • Deposit

    1913 DIREXPL LAWRENCE MIN. & MILLING CO. LTD; 50 TON CONCENTRATOR

  • Deposit

    1923 DIREXPL LAWRENCE CONSOLIDATED MINING CO.

  • Deposit

    1930 GEOLMAP IDAHO BUREAU OF MINES & GEOL. BULL. 12 {{1967 GEOLMAP IDAHO BUREAU OF MINES & GEOL. CO. REPT. 6 {{1975 COMPILE U.S. BUREAU OF MINES, 1974 ACTIVITY LIST

  • Deposit

    1947 OTHER A. L. ANDERSON, BULL. 944 - B

  • Production

    ANDERSON, A. L., 1947 , USGS BULL. 944-B

General comments

Subject category Comment text
Deposit MINERALIZED THRUST FAULTS STRIKE N 25 - 55 DEG E, DIP 13 - 25 DEG SE; ONE STRIKES N 55 DEG W, DIPS 20 - 28 DEG NE. SOME THRUSTS MINERALIZED MANY HUNDRED FEET. VEINS OVER VERTICAL RANGE OF 1000 FT
Deposit SEDIMENTARY BEDS TREND N 7 DEG W, DIP ABOUT 17 DEG NE. MAIN VEIN IS ALONG A BRECCIATED ZONE (1 TO 3 FT WIDE); NEAR HOPE FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site