Location: Location plotted is locality HP41of Meyer and Kurtak (1992, fig. 2), in T10S, R28W; on small tributary west of Twistem Creek about 0.25 mi (0.4 km) upstream from confluence and 1.0 mi (1.6 km) south-southeast of hill 2740; located to within 1 mi (1.6 km).
Geology: Barite probably is interbedded in sequence of intensely folded and imbricated fine-grained siliceous sediments and chert of the Pennsylvanian to Triassic Etivluk Group (unpublished mapping of J.H. Dover).
Workings: U.S. Bureau of Mines sample HP41 contains 53.98% Ba, 31 ppm Zn, 2 ppm Mo, 12 ppm As (Meyer and Kurtak, 1992, p. 48-62).
Age: Pennsylvanian-Triassic

Commodities (Major) - Ba
Development Status: No
Deposit Model: Lode; stratabound barite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Barite (Barytes)

Mineral List

ⓘ Baryte

1 valid mineral.

Detailed Mineral List:

ⓘ Baryte

Formula: BaSO₄

References:

(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄

List of minerals for each chemical element

O	Oxygen
O	ⓘ Baryte	BaSO₄
S	Sulfur
S	ⓘ Baryte	BaSO₄
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Other Databases

Link to USGS - Alaska:	HW022

Other Regions, Features and Areas containing this locality

North AmericaContinent

Brooks RangeMountain Range
Rocky MountainsMountain Range

North America PlateTectonic Plate

Brooks-Northslope Mag DomainDomain
Colville Basin and FoldbeltBasin

This page 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

Meyer, M.P., and Kurtak, J.M., 1992, Results of the 1991 U.S. Bureau of Mines Colville mining district study: U.S. Bureau of Mines Open-File Report 75-92, 101 p.

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