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La Palma Group

Producer in Greenlee county in Arizona, United States with commodities Lead, Manganese
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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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10109000
MRDS ID M001691
Record type Site
Current site name La Palma Group
Alternate or previous names Claims: La Palma, Venus, San Francisco, Laura
Related records 10162299

Geographic coordinates

Geographic coordinates: -109.38676, 33.15371 (WGS84)
Elevation 1920
Relative position 3 MILES NW OF METCALF, 9 MILES NNW OF CLIFTON

Site location context

Political divisions (FIPS codes)

Greenlee(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Coronado Mountain(quadrangle 1:24,000 scale)

Clifton(quadrangle 1:100,000 scale)

Clifton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Greenlee

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 003S 029E 20 SW Arizona

Comments on the location information

  • CONNECTED TO MOUTH OF CUPRITE CANYON, LOCATED TO SE, BY A 3 MILE LONG FOOT TRAIL; UNPATENTED CLAIMS EXTEND INTO SE QUARTER OF SECTION 18, AND SECTIONS 19 AND 29 ; INFO FROM LAND.ST :(1973)

Commodities

Commodity Importance
Lead Secondary
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore

Alteration

  • (Local) Irregular Bodies Of Psilomelane And Other Mn Minerals Have Replaced Limestone Beds; Some Surface Oxidation

Analytical data

Result GRAB SAMPLE 27.4 % MN.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Modoc Limestone;Morenci Shale;;Longfellow Limestone
    Rock description Modoc Limestone;Morenci Shale;;Longfellow Limestone
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -109.38676, 33.15371
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Minor Faulting With Little Vertical Displacement; Significant Horizontal Movement Along Bedding Planes
Type of structure Local
Structure description Minor Faulting Cutting Limestone And Shale Beds: Ore Deposits Cover A Considerable Surface Area But Average Less Than One Ft Thick

Ore body information

  • General form IRREGULAR
    Strike N 40 E
    Dip 20 NW
    Thickness 2.44M

Controls for ore emplacement

  • Deposits Are Conformable To Bedding Of The Limestone Which Strikes N40e And Dips About 20nw

Comments on the geologic information

  • LARGEST AND BEST EXPOSED MANGNIFEROUS DEPOSIT IS LOCATED ON THE VENUS CLAIM, ON THE CREST OF THE RIDGE; OTHER DEPOSITS (LARGELY UNEXPLORED) CROP OUT ON THE DIP IN AREAS TO THE NW AND SE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925

Mining district

District name Copper Mountain District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Juan Varela And Eugenio C. Rivas
    First year 1961

Comments on the production information

  • AS OF 1961 , NO MN ORE HAD BEEN SHIPPED.

Workings at the site

  • Type of workings Surface
    Overall length 21.34M
    Overall width 3.05M

Comments on the workings information

  • OXIDIZED LEAD ORE MINED FROM A SHALLOW SHAFT ON THE SAN FRANCISCO CLAIM IN 1920; SHALLOW (10 FT DEEP) OPEN CUTS

Comments on development

  • CLAIMS WERE ACQUIRED BY VARELA'S FATHER IN 1920; CLAIMS WERE LOCATED ON LEAD DEPOSITS PRIOR TO 1905

Reference information

Bibliographic references

  • Deposit

    FARNHAM, L.L., STEWART, L.A., AND DELONG, C.W., 1961 , MANGANESE DEPOSITS OF EASTERN ARIZONA: U.S.B.M. INFORMATION CIRCULAR 7990 , P. 97-98

  • Deposit

    USBM FILES, LA PALMA GROUP; LA PALMA, VENUS, AND SAN FRANCISCO

  • Deposit

    BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.

  • Production

    U.S.B.M. I.C. 7990 , P. 97 .

General comments

Subject category Comment text
Deposit MINERALIZED BED IN AN OPEN CUT ON THE VENUS CLAIM HAS BEEN EXPOSED FOR ABOUT 60 FT ALONG THE STRIKE; WEST OF CUT, ORE IS EXPOSED ABOUT 30 FT ALONG THE DIP BY EROSIONAL PROCESSES; DEPOSIT PINCHES OUT TO EAST
Deposit Discovery Year: EARLY 1900'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-JAN-1982 Calder, Susan R. 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

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.