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Brown Bear Mine, Cedar River Mining District, King County, Washington, USAi
Regional Level Types
Brown Bear MineClaim
Cedar River Mining DistrictMining District
King CountyCounty (Historical)
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
47° 21' 8'' North , 121° 32' 35'' West
Latitude & Longitude (decimal):
47.35240,-121.54330
GRN:
N32W60
Type:
Claim
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Snoqualmie Pass311 (2011)11.7km
Wilderness Rim1,523 (2017)19.9km
Riverbend2,132 (2011)20.1km
Tanner1,018 (2011)20.5km
North Bend6,679 (2017)24.3km
Mindat Locality ID:
68497
Long-form identifier:
mindat:1:2:68497:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Eureka Mine


A claim on the ridge dividing Bear Creek and Hansen Creek. Reportedly had a 4"-16: vein in granite carrying copper and silver minerals.
Ref: Inventory of Washington Minerals-Part II Metalic Minerals, M.T. Huntting, 1956.

NW 1/4 Section 33

A Cu-Au-Ag claim

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.


Mineral List


5 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘAcanthite2.BA.35Ag2S
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
AgSilver
Agⓘ AcanthiteAg2S

Other Databases

Link to USGS MRDS:10180159

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.
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.35
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