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Folger Hill

Past Producer in Union county in North Carolina, United States with commodities Gold, Silver, Zinc
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026535
MRDS ID K005246
Record type Site
Current site name Folger Hill
Alternate or previous names Folger Hill Gold-Silver Mine
Related records 10297563

Geographic coordinates

Geographic coordinates: -80.69591, 35.0315 (WGS84)
Relative position 9.1 MI. WEST OF MONROE AND 3.6 MI. SOUTH - SOUTHWEST OF INDIAN TRAIL.

Site location context

Political divisions (FIPS codes)

Union(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Matthews(quadrangle 1:24,000 scale)

Charlotte(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Catawba(hydrologic unit)

Santee(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(hydrologic region)

Geographic areas

Country State County
United States North Carolina Union

Comments on the location information

  • LOCATION APPROXIMATE

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Zinc Critical Tertiary

Comments on the commodity information

  • COARSE NATIVE GOLD OF LOW PURITY IN QUARTZ VEINLETS AND VEINS FROM 0.3M TO 2M THICK IN SHEARED ARGILLITE AND PHYLLITE; MINE WAS WORKED FOR A LENGTH OF 100M TO 134M TO A DEPTH OF 30M ALONG TWO PARALLEL RIDGE CRESTS; REGIONAL FOLIATION STRIKE IS N 25 TO 45 DEGREES E AND DIP IS NEARLY VERTICAL; GOLD OCCURS IN NARROW PARALLEL SEAMS LESS THAN 5 CM IN THICKNESS WITH LIMONITE AND WAD ABOVE THE WATER TABLE, FRESH SULFIDES BELOW; AN ASSAY OF A REJECTED GOLD ORE SHOWS GOLD PER TON OF $4.13 WITH GOLD AT $20.00 PER OUNCE, AND SILVER OF $0.22 WITH SILVER AT $1.29 PER OUNCE; WATER TABLE IN AREA USUALLY 13M TO 17M BELOW SURFACE; COUNTRY ROCK VERY PYRIFEROUS, AS MUCH AS ONE OR TWO PERCENT, AND CONTAINS GALENA AND REDDISH-BROWN SPHALERITE; MINE IN GOLD-BEARING ZONE OF DISCONTINUOUS SHEARS 5 KM LONG AND 0.8 KM WIDE, TRENDING NORTHEAST, THAT WAS MINED IN MANY PLACES TO SHALLOW DEPTH FOR RICH NATIVE GOLD POCKETS; MINE IS JUST WEST OF MINT HILL GOLD MINE ON PARALLEL RIDGE CREST

Materials information

Materials Type of material
Gold Ore
Sphalerite Ore

Analytical data

Result REJECT ORE ASSAY 0.2 OPT AU AND 0.17 OPT AG

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -80.69591, 35.0315
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Gold Hill Fault

Ore body information

  • General form LENSES IN BROAD ZONE
    Length 106M

Controls for ore emplacement

  • Shear Zone And Quartz Veins

Comments on the geologic information

  • THE MINE WAS OPENED IN A ZONE OF SHEARED ARGILLITE AND PHYLLITE EXTENDING SOUTHEAST FROM THE LEWIS, PHIFER AND ORE HILL MINES. MUCH MILKY, IRON-STAINED VEIN QUARTZ IS NEAR THE WORKINGS. IN PLACES THE QUARTZ IS ASSOCIATED WITH SILICEOUS COUNTRY ROCK, AND TINY CRYSTALS OF PYRITE ARE DISSEMINATED THROUGH THE ZONE. A SMALL AMOUNT OF DARK, REDDISH BROWN SPHALERITE IS ALSO IN THE SILICEOUS ROCK.u IN BROAD CONTINUOUS ZONE OF SILICIFIED AND SERICITIZED LENSES OF ARGILLITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1861
Year of first production 1861

Mining district

District name Monroe Area

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 27M
    Overall length 109.73M

Comments on the workings information

  • THE MINE WAS WORKED FOR A LENGTH OF 300 TO 400 FT. AND TO A DEPTH OF 90 FT.

Comments on development

  • THE MINE WAS ACTIVE UNTIL AROUND 1890.

Reference information

Bibliographic references

  • Deposit

    CARPENTER, P. A., 1976, METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA: NORTH CAROLINA MINERAL RESOURCES BULL. 84, 166 P.

  • Deposit

    PARDEE, J. T., AND PARK, C. F., JR., 1948, GOLD DEPOSITS OF THE SOUTHERN PIEDMONT: U. S. GEOLOGICAL SURVEY PROF. PAPER 213, 156 P.

  • Deposit

    NITZE, H.B.C., 1896, GOLD DEPOSITS OF NORTH CAROLINA: NORTH CAROLINA GEOLOGICAL SURVEY BULL. NO. 3, 200P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1976 D'Agostino, John P. U.S. Geological Survey
Reporter 01-DEC-1976 Mcdaniel, Ronald D. North Carolina Division of Land Resources
Updater 01-JUN-1992 Klein, T.L. 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