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St. Theresa Prospect, Sultan Mining District, Snohomish County, Washington, USAi
Regional Level Types
St. Theresa ProspectProspect
Sultan Mining DistrictMining District
Snohomish CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
47° 56' 3'' North , 121° 35' 25'' West
Latitude & Longitude (decimal):
47.93430,-121.59030
GeoHash:
G#: c2989nhts
GRN:
N32W60
Type:
Prospect
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
May Creek818 (2011)10.6km
Gold Bar2,112 (2017)11.7km
Index194 (2017)12.9km
Startup676 (2011)13.4km
North Sultan264 (2011)17.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Darrington Rock & Gem ClubDarrington, Washington36km
Marysville Rock & Gem Club, Inc.Marysville, Washington46km
Everett Rock & Gem ClubEverett, Washington46km
Mindat Locality ID:
407303
Long-form identifier:
mindat:1:2:407303:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Saint Theresa Prospect


A prospect along the South Fork of the Sultan River. There were 10 unpatented claims over numerous persistent but weakly mineralized fracture zones in diorite. It was operated by Washington Molybdenum Co., Seattle circa 1943.
Tectonics: Cascade Volcanic Arc

Deposit: Mrds record d000691 has been merged with this record and deleted widely distributed mineralized paper thin to 2-in.-wide fractures trending SW

Deposit type: Polymetallic veins

Rock formation(s): Index Batholith


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.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMolybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ MolybdeniteMoS2
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
MoMolybdenum
Moⓘ MolybdeniteMoS2

Other Databases

Link to USGS MRDS:10036805

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

Phillips Purdy, C. (1954) Molybdenum Occurrences of Washington. Report of Investigations No.18, Division of Mines and Geology, Department of Conservations and Development, Washington, 125 pages.
Carithers, W., Guard, A.K. (1945) Geology and Ore Deposits of the Sultan Basin, Snohomish County, Washington. Washington Department of Conservation and Development, Division of Mines and Geology, Bulletin No.36, 90 pages.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
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