Chediski

Occurrence in Navajo county in Arizona, United States with commodities Iron, Phosphorus-Phosphates

Geologic information

Identification information

Deposit ID 10027425
MRDS ID M003066
Record type Site
Current site name Chediski
Alternate or previous names Marley Ranch Iron, Chediski Hematite, Black Iron, Iron Mountain
Related records 10232093

Geographic coordinates

Geographic coordinates: -110.7218, 34.14368 (WGS84)
Elevation 1676
Relative position 2 MILES NORTHWEST OF CHEDISKI FARMS.
(click for info)

Geographic areas

Country State County
United States Arizona Navajo

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009N 015E 35 Arizona

Comments on the location information

  • USBM GIVES LOCATION AS 34-07-56N, 110-43-01W. ; INFO FROM LAND.ST :(1992)

Commodities

Commodity Importance
Iron Primary
Phosphorus-Phosphates Tertiary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Specularite Ore
Apatite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Silicification

Mineral occurrence model information

Model code 241
USGS model code 34a
BC deposit profile F10
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Mescal Limestone
    Rock description Mescal Lst

Nearby scientific data

(1) -110.7218, 34.14368

Ore body information

  • General form TABULAR, IRREGULAR MASSES
    Dip 0
    Depth to top 700M
    Width 18M
    Length 5500M

Controls for ore emplacement

  • Bedding

Comments on the geologic information

  • THE HEMATITE ZONE IS NEAR THE COUNDARY BETWEEN THE WHITE CHEDISKI SANDSTONE OF THE TROY FM AND THE MESCAL LST, JUST BELOW A SILICIFIED ALGAL ZONE.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1895
Discovery method Ore-Mineral In Place

Reserves and resources

  • Type In-situ
    Estimate year 1969
    Total resources 5,580,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 23 wt-pct Iron Major 1969

Comments on the reserve resource information

  • RANGE OF RESOURCE IS 10,000,000 TO 15,000,000 LT OF ORE.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M003066
U.S. Bureau of Mines Minerals Availability System MAS 0040170087

Bibliographic references

  • Deposit

    BURCHARD, E.F., 1931, IRON ON CANYON CREEK: USGS BULL. 821-C,P 51-75.

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Other Database

    CIMRI

  • Reserve-Resource

    SAWYER AND OTHERS, 1992.

General comments

Subject category Comment text
Deposit THE ORE RANGES FROM NEARLY PURE RED TO BLUISH-BLACK HEMATITE WITH SOME SPECULARITE TO BEDS THAT ARE INTERLAYERED AND MIXED WITH CHERT, JASPEROID, SANDSTONE, AND SHALE.
Deposit Discovery Year: 1890'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Bright, Daniel (Creasey, S.C.) U.S. Geological Survey
Updater 01-NOV-1993 Orris, Greta J. U.S. Geological Survey