Surprise Creek

Occurrence in Alaska, United States with commodities Lead, Zinc
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. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10307530
Record type Site
Current site name Surprise Creek

Geographic coordinates

Geographic coordinates: -148.32286, 63.92963 (WGS84)
Relative position This occurrence is at an elevation of about 4,100 feet on Dexter Creek, a tributary of the Totatlanika River. The map site is in the SW1/4 of sec. 27, T. 11 S., R. 4 W., of the Fairbanks Meridian. The location is accurate to within 1 mile.

Site location context

Political divisions (FIPS codes)

Denali(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Healy D-3(quadrangle 1:63,360 scale)

Healy N(quadrangle 1:100,000 scale)

Healy C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Quartz Gangue

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type
    Stratigraphic age (youngest) Cambrian
    Stratigraphic age (oldest) Paleoproterozoic

Nearby scientific data

(1) -148.32286, 63.92963

Economic information

Comments on the geologic information

  • Geologic Description = The country rocks in the general area of this occurrence are Lower Paleozoic or possibly Upper Precambrian schists and younger Paleozoic Keevy Peak Formation. The deposit is in schist, and consists of stratiform layers of massive galena and sphalerite, accompanied by quartz.
  • Age = Mineralization is syngenetic with the Lower Paleozoic or possibly Upper Precambrian hostrocks.

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Probably inactive

Mining district

District name Bonnifield

Comments on the workings information

  • Workings / Exploration = There has been only surface exploration to date.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = This record

General comments

Subject category Comment text
Deposit Model Name = Kuroko massive sulfide(?) (Cox and Singer, 1986; model 28a)

Reporter information

Type Date Name Affiliation Comment
Reporter 07-APR-00 N. Van Wyck Stevens Exploration Management Corporation

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.