Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Unnamed Occurrence (ARDF - ID088; head of Moose Creek), Iditarod District, Yukon-Koyukuk Borough, Alaska, USA

This page is currently not sponsored. Click here to sponsor this page.
 
 
Location: This occurrence is at an elevation of about 1,550 feet on a spur overlooking the head of Moose Creek . It is about 0.7 mile southeast of hill 2110 and about 0.5 mile east-southeast of the center of section 2, T. 30 N., R. 42 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence is in an extensive zone of strong silicification and red, iron-oxide gossan in altered tuff near the base of the Beaver Mountains volcanic field which is part of the the Iditarod Volcanics (Bundtzen, Laird, and Lockwood, 1988; Miller and Bundtzen, 1988). The silica alteration is notable for its light blue chalcedony. The strong red gossan probably developed by oxidation of unknown sulfide minerals. Samples from the altered tuff contained up to 5.1 parts per million (ppm) silver, 76 ppm lead, and 5,000 parts per billion (ppb) mercury (Bundtzen, Laird, and Lockwood, 1988). Similar mineralization can be found over an area about 2 miles by 2 miles in size at the head of Moose Creek.
Workings: The area was sampled by the Alaska Division of Geological and Geophysical Surveys in 1982. (Bundtzen, Laird, and Lockwood, 1988).
Alteration: Silicification with development of much chalcedony.

Commodities (Major) - Ag; (Minor) - Hg, Pb
Development Status: None
Deposit Model: Polymetallic vein? (Cox and Singer, 1986; model 22c).

Mineral List



2 entries listed.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Bundtzen, T.K., Laird, G.M., and Lockwood, M.S., 1988, Geologic map of the Iditarod C-3 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 96, 13 p., 1 sheet, scale 1:63,360. Miller, M.L., and Bundtzen, T.K., 1994, Generalized geologic map of the Iditarod quadrangle, Alaska showing potassium-argon, major oxide, trace element, fossil, paleocurrent, and archeological sample localities: U.S. Geological Survey Miscellaneous Field Studies Map MF-2219-A, 48 pages; 1 sheet, scale 1:250,000. Miller, M.L., Bundtzen, T.K., and Gray, J.E., 2005, Mineral resource assessment of the Iditarod quadrangle, west-central Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2219-B, scale 1:250,000, pamphlet.

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 27, 2018 05:47:58 Page generated: January 18, 2015 10:36:28
Go to top of page