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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Negro Brown Prospect

Occurrence in Yavapai county in Arizona, 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. 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. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10027242
MRDS ID M002588
MAS/MILS ID 0040250921
Record type Site
Current site name Negro Brown Prospect
Alternate or previous names Nigger Brown Prospect, Valencienne ?

Comments on the site names

  • The original site name contained a derogatory word that has been changed according to Department of the Interior policy outlined at http://geonames.usgs.gov/docs/pro_pol_pro.pdf. See Chap. 3, Policy V. The revised form of the name now appears in the permanent record as the "Current" or preferred site name, and the prior, derogatory name is labeled "Previous".

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -112.15823, 34.15395 (WGS84)
Elevation 799
Relative position 3 1/2 MILES S OF BUMBLEBEE

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bumble Bee(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009N 002E 04 N2 Arizona

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bland Quartz Diorite
    Rock description Bland Quartz Diorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

Main Entrance (1) -112.15823, 34.15395
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Country Rock Trends N-S

Ore body information

  • Dip SE
    Width 0.61M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS VEIN OF QUARTZ AND PYRITE IN PROTEROZOIC BLAND QUARTZ DIORITE

Economic information about the deposit and operations

Operation type Underground
Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Richinbar District

Land status

Ownership category BLM Administrative Area

Reference information

Bibliographic references

  • Deposit

    Lindgren, W., 1926, Ore deposits of the Jerome and Bradshaw Mountain Quadrangles, Arizona: USGS Bulletin 782, P. 156.

  • Deposit

    USGS Bumble Bee Quad

General comments

Subject category Comment text
General Doug Causey - Data consolidated from DEP_ID 10283559 - a duplicate record.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-72 Gere, W. U.S. Geological Survey
Updater 01-FEB-79 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-FEB-82 Dewitt, Ed H. U.S. Geological Survey
Reporter 27-DEC-96 ADMR U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.