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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Mowry Placers

Producer in Santa Cruz county in Arizona, United States with commodity Gold
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048338
MRDS ID M899922
Record type Site
Current site name Mowry Placers
Alternate or previous names Patagonia Placers

Geographic coordinates

Geographic coordinates: -110.694, 31.41597 (WGS84)
Elevation 1646
Relative position 4.0 MILES SE OF HARSHAW; 2.5 MILES NORTH OF WASHINGTON CAMP.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Harshaw(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 023S 016E 22 SE Arizona

Comments on the location information

  • 3 MAIN PROSPECTS LOCATED ON USGS MAP, 3/4 MILE EAST OF FLYING R. RANCH. INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Pleistocene
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -110.694, 31.41597
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Host Rocks For Ore Bodies In Drainage Area Of Guajolote Flat Are Precambrian Quartz Monzonite
Type of structure Local
Structure description Detrital Gold Was Apparently Freed By Erosion Of Silver, Lead, And Copper Ores That Contain Very Minor Amounts Of Gold

Ore body information

  • General form IRREGULAR
    Thickness 1.52M

Controls for ore emplacement

  • Stream Gravels In The Pediment Portion Of Mowry Wash And Its Tributaries

Comments on the geologic information

  • ONE 2-OZ. NUGGET AND SEVERAL SMALLER NUGGETS WERE FOUND; MOST OF GOLD OCCURS AS ANGULAR PARTICLES, LESS THAN 0.1 INCH IN DIAMETER

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Discoverer Mexicans

Mining district

District name Harshaw District

Land status

Ownership category National Forest

Comments on the production information

  • KNOWN PRODUCTION IN 1909 WAS 2 OZ. OF GOLD; PRODUCED ABOUT $200 WORTH IN 1906; ROCKING OPERATIONS CARRIED ON DURING SUMMER OF 1933

Comments on the workings information

  • DRY WASH AND ROCKING OPERATIONS

Comments on development

  • PLACERS WORKED BY DRY WASHING DURING EARLY 1900'S

Reference information

Bibliographic references

  • Deposit

    USBM FILES, PATAGONIA PLACERS.

  • Deposit

    WILSON, ELDRED D., 1937, ARIZONA GOLD PLACERS AND PLACERING: ARIZONA BUREAU OF MINES BULLETIN 142, P. 77-78.

  • Deposit

    SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 348.

  • Deposit

    JOHNSON, MAUREEN G., 1972, PLACER GOLD DEPOSITS OF ARIZONAS, USGS BULLETIN 1355, P. 48-49.

  • Deposit

    SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA: USGS MAP I-762 (1:48000).

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: LATE 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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.