Hilltop Mine

Past Producer in Cochise county in Arizona, United States with commodities Lead, Copper, Molybdenum, Zinc, Silver, Gold, Tungsten, Cadmium, Arsenic

Geologic information

Identification information

Deposit ID 10102442
MRDS ID M002167
Record type Site
Current site name Hilltop Mine
Alternate or previous names Dunn Shaft, Blacksmith Shaft, Kasper Tunnel, Rhem Adit, Gray
Related records 10113054

Geographic coordinates

Geographic coordinates: -109.28953, 31.98569 (WGS84)
Elevation 1951
Relative position 6 MI NW OF PARADISE; ABOUT 26 MI S OF SAN SIMON
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Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017S;016S 030E;030E 03,04,05;32,33,34 Arizona

Comments on the location information

  • NEAR HAND'S PASS ; INFO FROM LAND.ST :1964

Commodities

Commodity Importance
Lead Primary
Copper Primary
Molybdenum Primary
Zinc Primary
Silver Secondary
Gold Tertiary
Tungsten Tertiary
Cadmium Tertiary
Arsenic Tertiary

Materials information

Materials Type of material
Anglesite Ore
Chalcopyrite Ore
Chrysocolla Ore
Copper Ore
Galena Ore
Gold Ore
Magnetite Ore
Psilomelane Ore
Pyrite Ore
Pyrolusite Ore
Scheelite Ore
Silver Ore
Smithsonite Ore
Sphalerite Ore
Wulfenite Ore
Calcite Gangue
Chlorite Gangue
Clinozoisite Gangue
Epidote Gangue
Garnet Gangue
Gypsum Gangue
Limonite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Oxidation Particularly In Veins In Quartzite

Analytical data

Result 2-5 OZ/T AG, 10-25% PB, 5-15% ZN, 0.1-5.61% CU, 10-12% FE, 2-10% M

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -109.28953, 31.98569

Geologic structures

Type of structure Local
Structure description Ne-Sw Faults

Ore body information

  • General form LENSES, SHOOTS, POCKETS, CHIMNEYS
    Width 15.24M
    Length 33.53M

Controls for ore emplacement

  • Brecciation Along Faults & Fissures In Quartzite And Limestone

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1881

Mining district

District name California District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Queen Mining Co.
    First year 1973

Comments on the production information

  • SHIPMENTS BY BURRO & WAGON IN 1880'S. SEVERAL CARLOADS TO EL PASO 1902-1906. ABOUT 30,000 TONS OF BASE METAL SULFIDE ORE PRODUCED FROM E ARLY 1910'S TO ABOUT 1954

Workings at the site

  • Type of workings Surface/Underground
    Length 6096M
    Overall depth 457.2M

Comments on the workings information

  • EXTENSIVE WORKINGS OPEN CUTS, SHORT ADITS; KASPER TUNNEL 3,000 FT WITH 6,000 FT OF WORKINGS; GRAY TUNNEL 2,000 FT WITH 3,000 FT OF WORK INGS; RHEM TUNNEL 3,700 FT WITH 3,000 FT OF WORKINGS

Comments on development

  • PREVIOUS OWNERS/OPERATORS INCLUDE AMERICAN ZINC, LEAD, & SMELTING CO, HILLTOP SILVER LEAD MINES CO, HILLTOP METALS MINING CO, PIEDMONT MINES INC, HILLTOP MINING & DEVELOPMENT CO; HIDDEN TREASURE CLAIM WAS FIRST LOCATED IN DISTRICT-NOW PART OF HILLTOP MINE

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M002167

Bibliographic references

  • Deposit

    KEITH, 1973, ABM BULL 187, P. 52

  • Deposit

    ABM FILE DATA

  • Deposit

    ABM BULL 140, P. 91

  • Deposit

    PAPKE, 1952, M.S. THESIS, UNIV OF AZ

General comments

Subject category Comment text
Deposit LOCALLY PIPES OF MASSIVE SULFIDES (1-6 FT DIA) FOLLOW FRACTURES I NTO LIMESTONE FOR DISTANCES OF UP TO 50 FT
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M002167 WITH RE CORD M030559 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEOD ORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1983 Peterson, Jocelyn A. U.S. Geological Survey