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Anarraaq Zn-Pb-Ag-Ba deposit

Prospect in De Long Mountains county in Alaska, United States with commodities Zinc, Lead, Silver, Barium-Barite
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Reserves and resources
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10400407
Record type Site
Current site name Anarraaq Zn-Pb-Ag-Ba deposit

Comments on the site identification

  • It is possible that MRDS record 10307429 (based on ARDF record DL012) Competition Creek: Rowdy is the same deposit as Anarraaq. The locations are 1.2 km apart and host rock is identical. However, Kelley et al 2004a state Anarraaq was discovered in 1999, whereas Competition Creek was said to be drilled in the early 1980's.

Geographic coordinates

Geographic coordinates: -162.96, 68.16 (WGS84)
Relative position 10 km NW of Red Dog.

Site location context

Political divisions (FIPS codes)

Northwest Arctic(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

De Long Mountains A-2(quadrangle 1:63,360 scale)

De Long Mountains SE(quadrangle 1:100,000 scale)

De Long Mountains(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Wulik-Kivalina Rivers(hydrologic unit)

Noatak River-Lisburne Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State County
United States Alaska De Long Mountains

Comments on the location information

  • Lat/long from Leach et al, 2005.

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Secondary
Barium-Barite Critical Tertiary

Mineral occurrence model information

Model code 208
USGS model code 31a
Deposit model name Sedimentary exhalative Zn-Pb
Mark3 model number 13

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
    Rock type qualifier carbonaceous and siliceous
    Rock unit name Ikalukrok unit (informal name) of the Kuna Formation
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -162.96, 68.16
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Discovery year 1999

Mining district

District name Red Dog

Reserves and resources

  • Type In-situ
    Estimate year 2005
    Total endowment 18000000mt
    Remarks Leach et al, 2005, Appendix A, Table A1. 3.2 Mt Zn, 0.9 Mt Pb.
    Commodity Subtype Grade units Group Importance Year
    Silver 85 g/mt Silver Secondary 2005
    Zinc 18 wt-pct Zinc Primary 2005
    Lead 5.4 wt-pct Lead Primary 2005

Reference information

Bibliographic references

  • Geology

    Kelley, K.D., Dumoulin, J.A., and Jennings, S., 2004a, The Anarraaq Zn-Pb-Ag and barite deposit, northern Alaska: Evidence for replacement of carbonate by barite and sulfides: ECONOMIC GEOLOGY, v. 99, p. 1577?1591.
    http://econgeol.geoscienceworld.org/cgi/content/full/99/7/1577

  • Geology

    Leach, D., Sangster, D., Kelley, K., Large, R.R., Garven, G., Allen, C., Gutzmer, J., and Walters, S., 2005, Sediment-hosted lead-zinc deposits: A global perspective. Economic Geology, 100th Aniversary Volume. pp. 561-607. Also Appendices A, B, C, D, E, and Supplement
    http://eprints.utas.edu.au/6268/2/sediment_hosted.pdf

Reporter information

Type Date Name Affiliation Comment
Reporter 08-JUL-10 Schruben, Paul 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

Authoritative Alaska resources

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