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  3. Mineral Resource Data System (MRDS)

Read Prospect

Occurrence in Alaska, United States with commodities Lead, Zinc, Tin
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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. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10003211
MRDS ID A016020
Record type Site
Current site name Read Prospect

Geographic coordinates

Geographic coordinates: -167.15841, 65.51455 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Teller C-5(quadrangle 1:63,360 scale)

Teller NE(quadrangle 1:100,000 scale)

Teller(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Imuruk Basin(hydrologic unit)

Norton Sound(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Diomede Native Corporation(ANCSA Village)

ANCSA Village NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS CIRCULAR 214, PLATE 1, PROSPECT 4. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Lead Primary
Zinc Critical Secondary
Tin Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Calcite Gangue
Fluorite Gangue
Idocrase Gangue
Mica Gangue
Pyroxene Gangue
Tourmaline Gangue

Analytical data

Result 34% PB, 11 OZ/TON AG, USGS BULLETIN 358, P. 42-43.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Brooks Mt. Pluton;;;
    Rock description Brooks Mt. Pluton;;;
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Port Clarence Limestone;Port Clarence Limestone
    Rock description Port Clarence Limestone;Port Clarence Limestone

Nearby scientific data

(1) -167.15841, 65.51455
ListMap

Economic information

Controls for ore emplacement

  • Granite/Limestone Contact

Comments on the geologic information

  • COUNTRY ROCKS IS CUT BY SEVERAL GRANITE AND APLITE DIKES, ONE DACITE PORPHYRY DIKE, AND ONE PEGMATITE DIKE; ACCESSORY MINERALS IN GRANITE: TOURMALINE, MONAZITE, ZIRCON, XENOTIME, ANATASE, MAGNETITE, ILMENITE. CARBONACEOUS SLATE OVERLAIN BY ARGILLACEOUS LIMESTONE. PORPHYRITIC BIOTITE GRANITE, MED. TO CS. GR. SERIATE BIO. GRANITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904

Comments on the workings information

  • SEVERAL TRENCHES AND 20-FT SHAFT.

Comments on development

  • DEVELOPED PRIOR TO 1918.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SULFIDE-BEARING REPLACEMENT BODIES AND TACTITE IN LIMESTONE ADJACENT TO GRANITE; ORE ON DUMP CONSISTED OF PYRRHOTITE INTERGROWN WITH GALENA AND SPHALERITE IN SMALL IRREGULAR MASSES ABOUT 0.4 IN LONG; GANGUE: CALCIATE REPLACED BY IDOCRASE, DIOPSIDE, HEDENBERGITE, BIOTITE, PHLOGOPITE, TOURMALINE, FLUROTE; NEARBY CONTACT METAMORPHOSED LIMESTONE CONTAINS: LUDWIGITE(?) INTERGROWN WITH GALENA, PAIGEITE-BEARING HORNFELS, CHONDRODITE AND MAGNETITE-BEARING CALCITE, AND GARNET-IDOCRASE-MAGNETITE-HULSITE ASSEMBLAGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

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