Bessie-Maple Prospect

Occurrence in Alaska, United States with commodities Tin, Tungsten, Beryllium, Fluorine-Fluorite, Lead, Silver, Zinc, Copper, Antimony
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. 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 10003200
MRDS ID A016006
Record type Site
Current site name Bessie-Maple Prospect
Alternate or previous names Southern Cross

Geographic coordinates

Geographic coordinates: -167.19562, 65.45371 (WGS84)
Relative position LOW SADDLE OPPOSITE MOUTH OF TIN CR.

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

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

Teller SE(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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS OFR 250, FIG. 2; USBM OFR 7-65, FIG. 3; USGS BULLETIN 1287, PLATE 5; ALL SHOW PROSPECT AND DD-HOLE LOCATIONS LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Tin Critical Primary
Tungsten Critical Primary
Beryllium Critical Primary
Fluorine-Fluorite Critical Primary
Lead Secondary
Silver Secondary
Zinc Critical Secondary
Copper Secondary
Antimony Critical Tertiary

Comments on the commodity information

  • SCHEELITE FOUND IN DRILL CORE

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysoberyl Ore
Galena Ore
Scheelite Ore
Sphalerite Ore
Stannite Ore
Stibnite Ore
Wolframite Ore
Diaspore Gangue
Pyrite Gangue
Topaz Gangue
Tourmaline Gangue
Fluorite Unknown

Analytical data

Result 3M INTERCEPT OF DD-HOLE: 0.18% SN, 0.11% PB, 4.9% ZN, 0.15% CU, AND 46 G/MT AG
Result USGS OFR 78-1-C, P. 14
Result BULK SAMPLE CONTAINED 0.4% BE AND 28.6% F, USGS CIRCULAR 479, TABLE 5, P. 8
Result ASSAYS OF THREE SAMPLES (MADE BY OWNERS): TR. - 0.03 OZ AU, 4.2-25.6 OZ/TON AG, 0.5-9.1% PB, TR.-3.2% W03, 0.3-1.45% SN, USGS BULLETIN 733, P. 80.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -167.19562, 65.45371

Economic information

Geologic structures

Type of structure Regional
Structure description Rapid River Thrust Fault

Comments on the geologic information

  • ARGILLACEOUS LIMESTONE OVERRIDDEN BY LIMESTONE AND SHALE [UPPER PLATE OF RAPID R. THRUST]; CUT BY LAMPROPHYRE AND QUARTZ PORPHYRY DIKES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Comments on the workings information

  • 150-FT ADDIT AND 200 FT ADIT ON OPPOSITE SLOPES OF SMALL SADDLE; SEVERAL TRENCHES; 3 DD-HOLES TOT. 399 LINEAR FT.

Comments on development

  • DEVELOPMENT BEGAN BEFORE 1920; DRILLED BY USBM IN 1964.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit (1) 1500 FT LONG ZONE OF KAOLINIZED DIKES AND BRECCIATED LIMESTONE CONTAINING VEINLETS AND DISSEMINATIONS OF GALENA, PYRITE, STANNITE, CHALCOPYRITE, ARSENOPYRITE, WOLFRAMITE, STIBNITE, AND SPHALERITE ASSOCIATED WITH TOURMALINE +/- TOPAZ +/- FLUORITE; (2) WIDE BAND OF LOW GRADE FLUORITE-BERYLLIUM REPLACEMENT OF LIMESTONE ALONG RAPID RIVER THRUST FAULT; ONE DD-HOLE INTERCEPTED THE FOLLOWING SECTION: 17 FT OF FRACTURED DOLOMITE; 16 FT OF FLUORITE WITH CHRYSOBERYL AND DIASPORE; 1 FT OF NEARLY SOLID SULFIDES THAT INCLUDE STANNITE, PYRITE, SPHALERITE, ARSENOPYRITE AND GALENA; DOLOMITE THAT CONTAINS FLUORITE AND SULFIDES ALONG MARGIN OF LAMPROPHYRE DIKE; FLUORITE-BE ROCK; AND DOLOMITE.
Deposit SULFIDE-TINE DEPOSITS SANDWICHGED BETWEEN FLUORITE-BE MINERALIZATON. ; INFO.SRC : 1 PUB LIT

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.

Authoritative Alaska resources

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