Line Boy Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Copper, Silver, Gold, Molybdenum, Iron, Lithium
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. Production statistics
  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 10026975
MRDS ID M001446
Record type Site
Current site name Line Boy Mine
Alternate or previous names Contains Some Last Chance and Montana Claims
Related records 10259249

Geographic coordinates

Geographic coordinates: -110.6915, 31.33542 (WGS84)
Relative position JUST N OF INT'L BOUNDARY POST 113, S OF DUQUESNE.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Duquesne(quadrangle 1:24,000 scale)

Nogales(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 024S 016E 22 SE Arizona

Comments on the location information

  • ABOUT 3/4 MI SW OF BENTON MINE. INFO FROM LAND.ST :1979

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Secondary
Molybdenum Tertiary
Iron Tertiary
Lithium Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore
Specularite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Siliceous Alteration, Sericitic Alteration

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Tertiary
    Chronological age 58

Nearby scientific data

(1) -110.6915, 31.33542

Economic information

Geologic structures

Type of structure Regional
Structure description Deposits In Region Associed With Granitic Intrusive Rocks-Aplite, Granite Porphyry, And Allied Acidic Rocks
Type of structure Local
Structure description Quartz Monzonite Is Intruded Locally By A Small Stock-Like Mass Of Granite Porphyry About 300 Ft Wide That Trends N

Ore body information

  • Width 1.83M

Controls for ore emplacement

  • Contact Of Porphyry Dike And Quartz Monzonite, Joint Planes And Fissures

Economic information about the deposit and operations

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

Mining district

District name Querces District

Land status

Ownership category National Forest
Area name Coronado National Forest

Production statistics

  • Year 1945
    Period 1942-1945
    Accuracy Accurate
    Description Cp_Grade: ^4.7% Cu, 1.02 Oz/T Ag, 0.01 Oz/T Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 0g/mt
    Major Ore Silver Silver 29g/mt
    Minor Ore Copper Copper 5wt-pct

Workings at the site

  • Type of workings Underground
    Length 56.39M
    Overall depth 24.38M

Comments on the workings information

  • 3 SHAFTS, 2 TUNNELS-65 AND 120 FT LONG.

Comments on development

  • PREVIOUS OWNERS INCLUDE CAPTAIN O'CONNOR (1910), DON HAMERLY, HAVERLY; 11 UNPATENTED CLAIMS

Reference information

Bibliographic references

  • Deposit

    SCHRADER, 1915, USGS BULL 582.

  • Deposit

    ABM FILE DATA.

  • Deposit

    SCHRADER, 1917, ECONOMIC GEOLOGY, V. 12, P. 237-269.

  • Deposit

    SCHRADER AND HILL, 1910, USGS BULL 430.

  • Deposit

    SIMONS, 1974, US MAP I-762.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    USBM FILES, LINE BOY MINE.

  • Deposit

    ADMR FILE DATA LINE BOY MINE.

  • Deposit

    ABGMT CLIPPINGS FILE, LINE BOY MINE.

  • Deposit

    GALBRAITH, F.W., AND BRENNAN, D.J., 1970, MINERALS OF ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 181, 116 P.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.

  • Other Database

    CIMRI

  • Production

    ABM FILE DATA

General comments

Subject category Comment text
Deposit 10 FT DIKE EXTENDS FROM GRANITE PORPHYRY MASS TO NW AND DIPS STEEPLY TO N; SHEET OF SPECULARITE 3 FT WIDE FOLLOWS HANGING WALL SIDE OF DIKE; CONSIDERABLE AMOUNTS OF WHITE MICA DEVELOPED IN QUARTZ MONZONITE NEAR CONTACT.
Deposit THIS REPORT WAS TAKEN FROM RECORD M001446 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. INCLUDES DATA FROM DUPLICATE RECORD D000343 OF ROBERT U. KING WHICH HAS BEEN DELETED FROM MRDS. ; 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
Updater 01-MAY-1982 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

External references

Authoritative Arizona resources

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