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Royal Apex Mine

Producer in Shoshone county in Idaho, United States with commodities Silver, Gold, Lead, Copper, Antimony
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10078355
MRDS ID W026645
Record type Site
Current site name Royal Apex Mine
Alternate or previous names Royal, Apex Silver, St. Joe
Related records 10281537

Geographic coordinates

Geographic coordinates: -115.97463, 47.60987 (WGS84)
Elevation 1136
Relative position 1.5 MI NE OF OSBURN; 5 MI E OF KELLOGG

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Osburn(quadrangle 1:24,000 scale)

Thompson Falls(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Coeur d'Alene(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Idaho Panhandle National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 049N;048N 004E;004E 32,04,05,06,08,09 Idaho

Comments on the location information

  • GIVEN UTM ON ST. JOE ADIT

Commodities

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

Comments on the commodity information

  • WEIGHTED AVERAGE SAMPLE OF 1 % PB, 19.3 OZ AG OVER 4.9 FT

Materials information

Materials Type of material
Galena Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result ASSAY OF 2 OZ AG AND 0.03 OZ AU. SPLIT CORE ASSAYS SHOWED 9.6 AND 12.5 OZ AG, AND .25 % AND .30 % CU OVER 1.3 AND 2 FT.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prichard Formation;Burke Formation;Revett Formation
    Rock description Prichard Formation;Burke Formation;Revett Formation
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Piegan Group.
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Carpenter Fault

Ore body information

  • General form STRINGERS
    Strike N 62 DEG W
    Dip VARIABLE
    Length 137.16M
    Width 1.22M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Coeur D'Alene District (Evolution)

Land status

Ownership category National Forest
Area name Coeur d'Alene National Forest

Ownership information

  • Type Operator
    Owner Royal Apex Silver, Inc.

Workings at the site

  • Type of workings Underground
    Length 996.7M
    Overall depth 96.01M

Comments on the workings information

  • THE ST. JOE ADIT 3270 FT LONG IN 1954

Comments on development

  • DDH TOTAL OF 3573 FT. ROYAL HAD 26 CLAIMS AND APEX SILVER HAD 59 UNPATENTED CLAIMS BROUGHT TOGETHER IN 1969

Reference information

Bibliographic references

  • Deposit

    SPOKANE CHRONICLE, SEPT. 12 , 1972 ; OCT. 22 , 1970 ; JULY 16 , 1969 ; APRIL 2 , 1969 ; MAR. 3 , 1967 ; OCT. 16 , 1975

  • Deposit

    WESTERN MINING NEWS, 1974 - 75 DIRECTORY OF MINES IN IDAHO (COEUR D'ALENES) AND WASHINGTON, P. 112

  • Deposit

    GREEN, W. R., 1966 , SUMMARY REPT. OF EXAMINING MINE OR MINERAL DEPOSIT: IDAHO BUREAU OF MINES AND GEOLOGY OPEN - FILE REPT.

  • Deposit

    Hobbs, S. W., And Others, 1965 , Geology Of The Coeur D'Alene District, Shoshone County, Idaho: USGS Prof. Paper 478 , 139 P.

  • Deposit

    5) MC DOWELL, G. A., 1954 , 56TH ANN. REPT. OF THE MINING INDUSTRY OF IDAHO, P. 147 .

  • Deposit

    6) MINING RECORD, SEPT. 15 , 1976

  • Deposit

    1965 GEOLMAP S. W. HOBBS AND OTHERS, PROF. PAPER 478

  • Deposit

    1966 GEOPHYS BUNKER HILL, 1966 - 1972 SPENT $275,912

  • Deposit

    1966 RECON IDAHO BUREAU OF MINES AND GEOLOGY O. F. REPT.

  • Deposit

    1969 GEOCHEM ROYAL APEX SILVER - ANOMALY JUST S OF VEINS

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS IN LESS THAN 200 FT FROM SURFACE
Deposit SILVER STATE CONSOLIDATED MINES (NEVADA CORP.) MERGED INTO ROYAL APEX IN 1976

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

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