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Central Wash Deposit

Occurrence in Coconino county in Arizona, United States with commodity Gypsum-Anhydrite
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10060150
MRDS ID TC10107
Record type Site
Current site name Central Wash Deposit
Alternate or previous names Black Falls Deposit

Geographic coordinates

Geographic coordinates: -111.24739, 35.50559 (WGS84)
Location accuracy 1000(meters)
Relative position ON EAST BANK OF LITTLE COLORADO RIVER, SE OF BLACK FALLS FORD

Site location context

Political divisions (FIPS codes)

Coconino(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Standing Rocks(quadrangle 1:24,000 scale)

Cameron(quadrangle 1:100,000 scale)

Flagstaff(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Little Colorado(hydrologic unit)

Little Colorado(hydrologic accounting unit)

Little Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Coconino

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 25N 11E 32 Arizona

Comments on the location information

  • ABM BULLETIN 180 GIVES TOWNSHIP AS 26N, BUT FROM WRITTEN DESCRIPTION I THINK PEIRCE'S 25N IS CORRECT.

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Materials information

Materials Type of material
Gypsum Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Moenkopi Formation
    Rock description Moenkopi Formation
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -111.24739, 35.50559
ListMap

Economic information

Ore body information

  • General form LENSES
    Thickness 1.22M
    Length 4419.6M
    Width 1371.6M

Comments on the geologic information

  • GYPSUM BEDS OVERLIE THIN GYPSITE BED AND ARE COVERED BY OVERBURDEN OF VARIABLE THICKNESS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No

Reserves and resources

  • Type In-situ
    Estimate year 1966
    Commodity Subtype Grade units Group Importance Year
    Gypsum-Anhydrite Gyp 97.5 wt-pct Gypsum-Anhydrite Major 1966

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1969, GYPSUM, IN USGS, AZ BUREAU OF MINES, AND U.S. BUREAU OF RECLAMATION, 1969, MINERAL AND WATER RESOURCES OF ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 180, 638 P.

  • Deposit

    PEIRCE, H.W., 1990, AZGS INDUSTRIAL MINERALS CARD FILE.

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES REPORT 4, 185 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit IRREGULAR GYPSUM LENSES, LOCALLY 4 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1989 Bolm, Karen S. 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.