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  3. Mineral Resource Data System (MRDS)

Mazatzal Mountains Area

Past Producer in Gila county in Arizona, United States with commodity Mercury
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10112466
MRDS ID M055104
MAS/MILS ID 0040070705
Record type Site
Current site name Mazatzal Mountains Area
Alternate or previous names Sunflower Group, Robbins Group, Bowman Group, Martin Group, Pine Mountain Group, Northern Light Group, Mercuria Group, Ord Group, Rattlesnake Group, L and N Group, Maricopa Group, Red Bird Group
Related records 10040373, 10186738

Geographic coordinates

Geographic coordinates: -111.41741, 33.91677 (WGS84)

Site location context

Political divisions (FIPS codes)

Maricopa(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Reno Pass(quadrangle 1:24,000 scale)

Theodore Roosevelt Lake(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tonto(hydrologic unit)

Salt(hydrologic accounting unit)

Salt(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Tonto 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 Gila

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Unknown
Mercury Unknown
Tennantite Unknown

Nearby scientific data

(1) -111.41741, 33.91677
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Minimum Depth to Top 0
    Date of Last Modification 910912

Comments on the geologic information

  • THE TENNANTITE IS MERCURIAL.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911
Year of first production 1911

Mining district

District name Mazatzal Mountains District

Land status

Ownership category National Forest

Ownership information

  • Type Unknown
    Owner Undetermined

Reference information

General comments

Subject category Comment text
Deposit THIS ENTRY REPRESENTS A NUMBER OF INDIVIDUAL DEPOSITS SCATTERED OVER A FAIRLY LARGE AREA. THE AREA EXTENDS FROM GILA COUNTY INTO MARICOPA COUNTY. ELEVATION VARIES FROM ABOUT 3000 TO 4000 FT. THE USGS MRDS ID NUMBERS THAT COVER THIS AREA INCLUDE M055104, M055108, M055112, M055102, M055133, M055103, M001905, M055122, M055113, M055117, M055115, M055116, AND M055118. BECAUSE OF THE SPORADIC NATURE OF THESE DEPOSITS AND THEIR LOW GRADE, NO SYSTEMATIC DRILLING PROGRAM HAS EVER BEEN UNDERTAKEN TO PROVE THE RESERVES. THE LENGTH AND WIDTH OF THE MINERALIZATION ARE VARIABLE. THE THICKNESS IS LESS THAN 2000 FT. STRIKE AND DIP ARE VARIABLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-SEP-1991 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

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.