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Sphalerite and Fluorite Occurrence Z79

Occurrence in Allen county in Indiana, United States with commodities Zinc, Fluorine-Fluorite, Sulfur
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10080656
MRDS ID W031991
Record type Site
Current site name Sphalerite and Fluorite Occurrence Z79

Geographic coordinates

Geographic coordinates: -85.21383, 41.04169 (WGS84)

Site location context

Political divisions (FIPS codes)

Allen(county)

Indiana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Wayne West(quadrangle 1:24,000 scale)

Fort Wayne(quadrangle 1:100,000 scale)

Fort Wayne(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Wabash(hydrologic unit)

Wabash(hydrologic accounting unit)

Wabash(hydrologic subregion)

Ohio(hydrologic region)

Geographic areas

Country State County
United States Indiana Allen

Public Land Survey System information

Meridian Township Range Section Fraction State
2nd Principal 030N 012E 29 NW4 OF NE4 Indiana

Commodities

Commodity Importance
Zinc Critical Primary
Fluorine-Fluorite Critical Primary
Sulfur Tertiary

Materials information

Materials Type of material
Fluorite Ore
Sphalerite Ore
Calcite Gangue
Dolomite Gangue
Gypsum Gangue

Alteration

  • (Local) Dolomitization, Dissolution Of Solubile Minerals

Analytical data

Result SPHALERITE CONTAINS: .01% GA, .3% FE, .1% CD, 0.12% CU, .002% GE, NO MN.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Muscatatuck Group, Unconformably Overlies Silurian.;Wabash-Low Porosity, Non-Reef Facies
    Rock description Muscatatuck Group, Unconformably Overlies Silurian.;Wabash-Low Porosity, Non-Reef Facies
    Stratigraphic age (youngest) Middle Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -85.21383, 41.04169
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Cincinnati Arch Is South Of This Locale Trending Nw/Se
Type of structure Local
Structure description Cincinnati Arch Was Stable High Between Subsiding Basins (Illinois And Michigan Basins)

Controls for ore emplacement

  • Porosity Of Sedimentary Units.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Comments on development

  • FAIR POTENTIAL FOR MINERALIZATION WHERE SOLUTION OF EVAPORITES MI GHT PRODUCE OPEN SPACES.

Reference information

Bibliographic references

  • Deposit

    SHAFFER, NELSON R., 1981, POSSIBILITY OF MISSISSIPPI VALLEY-TYPE MI NERAL DEPOSITS IN INDIANA, INDIANA GEOLOGICAL SURVEY SPECIAL REPORT 21 , 49P

General comments

Subject category Comment text
Deposit SURFACE OUTCROP OF SPHALERITE-RICH LIMESTONE WITH FLUORITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-82 Sutphin, David M. U.S. Geological Survey

Beyond USGS

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

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