Chantilly Prospect A

Occurrence in Fairfax county in Virginia, United States with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10067558
MRDS ID W000342
Record type Site
Current site name Chantilly Prospect A

Geographic coordinates

Geographic coordinates: -77.41858, 38.88892 (WGS84)
Elevation 91
Relative position 1.3 KM (0.8 MI) SE OF CHANTILLY.

Site location context

Political divisions (FIPS codes)

Fairfax(county)

Virginia(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Herndon(quadrangle 1:24,000 scale)

Washington West(quadrangle 1:100,000 scale)

Washington(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Potomac-Anacostia-Occoquan(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Virginia Fairfax

Comments on the location information

  • JUST SOUTH OF US HWY 50. IN MARCH 1987, THIS PROSPECT IS COVERED BY ROAD IN FRONT OF DART CHANTILLY MALL.

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Diabase
    Rock description Diabase
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose
    Rock unit name Diabase;Manassas Sandstone, Newark Group
    Rock description Diabase;Manassas Sandstone, Newark Group

Nearby scientific data

(1) -77.41858, 38.88892

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Sw Trend, Culpeper Triassic Basin ; Reg.Trends: Northeast-Southwest

Ore body information

  • General form BLANKET
    Strike N.-S.
    Dip 10 DEG. E.
    Thickness 0.9M
    Length 1.8M
    Width 1.8M

Comments on the geologic information

  • ASSOCIATION WITH ORGANIC MATTER FAVORS SEDIMENTARY ORIGIN (CANNON, 1947) ; MAJOR.UNITS: TRIASSIC SEDIMENTS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1947
Discoverer R. S. Cannon

Mining district

District name Culpeper Basin

Land status

Ownership category State

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit INFO. FROM CANNON MEMO. COPPER ORES ARE DISSEMINATED AS PELLETS IN CLASTIC SEDIMENTS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1972 Meintzer, Robert E. (Le Van, D.C.) Virginia Division of Mineral Resources
Updater 01-JUL-1987 Sweet, Palmer C. Virginia Division of Mineral Resources

Beyond USGS

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