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Harrison Mine

Past Producer in Montgomery county in Maryland, United States with commodity Gold
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068004
MRDS ID W000908
Record type Site
Current site name Harrison Mine
Alternate or previous names Potomac From W. Goetz, Oral Comm., 1972
Related records 10145552

Geographic coordinates

Geographic coordinates: -77.19829, 38.99864 (WGS84)
Elevation 107
Relative position ABOUT 2000 FT. W OF INTERSECTION OF PERSIMMON TREE AND HERZOG RDS

Site location context

Political divisions (FIPS codes)

Montgomery(county)

Maryland(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Falls Church(quadrangle 1:24,000 scale)

Washington West(quadrangle 1:100,000 scale)

Washington(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Potomac-Catoctin(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Maryland Montgomery

Comments on the location information

  • LOCATION ON TOPO SHEET IS FROM W. GOETZ(ORAL COMM. 1972) AND IS SUBJECT TO CHANGE

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Wissahickon Formation, Schist
    Rock description Wissahickon Formation, Schist
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -77.19829, 38.99864
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Trends: Northeast-Southwest

Ore body information

  • General form LINEAR

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1888
Discoverer Kirk(Georgia Miner)
Year of first production 1889
Production years PRE-1890

Comments on the production information

  • THE HARRISON VEIN PRODUCED $12000 WORTH OF BULLION

Workings at the site

  • Type of workings Surface/Underground
    Length 152.4M
    Overall depth 48.77M

Comments on the workings information

  • WORKINGS ARE 90 AND 160 FT BELOW SURFACE.

Comments on development

  • NO. 2(PINE HILL VEIN)HAS A 30 FT. DEEP PIT. NO. 7(HARRISON VEIN)HAS PITS 25 TO 40 FT. DEEP

Reference information

Bibliographic references

  • Deposit

    EMMONS, S.F., 1890, TRANS. AIME V. 18 P. 399, 401-404

  • Production

    EMMONS

General comments

Subject category Comment text
Deposit THERE IS SOME CONFUSION CONCERNING THE PRECISE LOCATION OF THE WORKINGS ; INFO.SRC : 1 PUB LIT
Deposit THERE ARE 8 VEINS DESCRIBED BY EMMONS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1972 Wright, Nancy A. U.S. Geological Survey

Beyond USGS

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

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