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Ruth Mountain Pyrite Prospect, Mount Baker Mining District, Whatcom County, Washington, USAi
Regional Level Types
Ruth Mountain Pyrite ProspectProspect
Mount Baker Mining DistrictMining District
Whatcom CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 53' 16'' North , 121° 32' 20'' West
Latitude & Longitude (decimal):
48.88805,-121.53909
GRN:
N33W59
Type:
Prospect
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Glacier211 (2011)29.7km
Slesse Park238 (2011)29.8km
Bell Acres582 (2011)31.9km
Baker Trails635 (2011)36.5km
Skowkale 10623 (2019)40.3km
Mindat Locality ID:
416255
Long-form identifier:
mindat:1:2:416255:4
GUID (UUID V4):
0


Near Hannegan Pass north of Ruth Mountain several pyrite rich veins occur. Gold was reported to occur in quantities up to 4.8 oz/ton, but there is no record of production. The prospect was developed by a short adit.
Structure: Shear Zones

Alteration: Pyritization, Oxidation, Feldspars Are Altered To Clay Minerals, Sericite, Cryptocrystalic Quartz

Tectonics: Cascade Volcanic Arc

Deposit: Mid-tertiary acidic volcanic rocks overlie quartz diorite of chilliwack batholith. There are at least four pyritized shear zones 10-30 ft. Wide. The gold is erratically distributed.

Deposit type: Polymetallic veins

Development: Abandoned (1949)

Rock formation(s): Chilliwack Composite Batholith;Hannegan Volcanic Rocks


Ore(s): Shear Zones

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


1 valid mineral.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

SSulfur
Sⓘ PyriteFeS2
FeIron
Feⓘ PyriteFeS2

Other Databases

Link to USGS MRDS:10095758

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
Moen, W. (1969) Mines and Mineral Deposits of Whatcom County, Washington. Washington Division of Mines and Geology Bulletin 57, 134 pages.
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