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Mount Chopaka, Nighthawk Mining District, Okanogan County, Washington, USAi
Regional Level Types
Mount ChopakaMountain
Nighthawk Mining DistrictMining District
Okanogan CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 57' 27'' North , 119° 47' 6'' West
Latitude & Longitude (decimal):
48.95750,-119.78500
GRN:
N33W58
Type:
Mountain
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Loomis159 (2011)18.8km
Oroville1,677 (2017)25.6km
Osoyoos4,314 (2008)25.7km
Oliver4,647 (2008)30.3km
Tonasket1,016 (2017)37.8km
Mindat Locality ID:
17124
Long-form identifier:
mindat:1:2:17124:0
GUID (UUID V4):
0


On Mt. Chopaka crystals of hornblende up to 4" long occur in lamprophyre dikes.
Commodity: Non commercial from inaccessibility

Geology: Geol.desc: brecciated, serpentinized dunnite

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


2 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

Detailed Mineral List:

ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Scolecite
Formula: CaAl2Si3O10 · 3H2O
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘScolecite9.GA.05CaAl2Si3O10 · 3H2O
Unclassified
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ ScoleciteCaAl2Si3O10 · 3H2O
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ ScoleciteCaAl2Si3O10 · 3H2O
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ ScoleciteCaAl2Si3O10 · 3H2O
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ScoleciteCaAl2Si3O10 · 3H2O
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ ScoleciteCaAl2Si3O10 · 3H2O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FeIron
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Other Databases

Link to USGS MRDS:10041727

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

Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA.
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