Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Midas Claims, Cascade Mining District, Skagit County, Washington, USAi
Regional Level Types
Midas ClaimsClaim
Cascade Mining DistrictMining District
Skagit CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 29' 6'' North , 121° 4' 34'' West
Latitude & Longitude (decimal):
48.48510,-121.07621
GeoHash:
G#: c29guf6yp
GRN:
N33W58
Type:
Claim
Köppen climate type:
Dsc : Dry-summer subarctic climate
Nearest Settlements:
PlacePopulationDistance
Marblemount203 (2011)27.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Darrington Rock & Gem ClubDarrington, Washington46km
Mindat Locality ID:
448754
Long-form identifier:
mindat:1:2:448754:1
GUID (UUID V4):
0


Structure: Tight Folding Along North-Northwest Trending Axes. Shear Zones

Tectonics: Active Margin (Leading Edge Of North American Plate)

Deposit: 2 intersecting shear zones containing narro W sulfide-bearing quartz veins. 5 patented claims: midas, diamond, saratoga, pride of seattle, pride of kildare. ; info.src : 1 pub lit

Deposit type: Polymetallic veins

Development: Exploration at the diamond claim in 1959. Development at the diamond claim 1967-1970. Development at midas claim 1977.

Rock formation(s): Eldorado Pluton


Ore(s): Shear Zones

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 1 - Elements
ⓘGold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘ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ⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
AuGold
Auⓘ GoldAu

Other Databases

Link to USGS MRDS:10047925

Other Regions, Features and Areas containing this locality

North AmericaContinent

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.
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