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Four Mile Quarry, Porter, Grays Harbor County, Washington, USAi
Regional Level Types
Four Mile QuarryQuarry
Porter- not defined -
Grays Harbor CountyCounty
WashingtonState
USACountry

This page kindly sponsored by Douglas Merson
PhotosMapsSearch
Type:
Quarry
Mindat Locality ID:
22045
Long-form identifier:
mindat:1:2:22045:8
GUID (UUID V4):
477e04b3-858e-4d0a-9a95-7862f5b7082c


Zeolites are abundant in a small quarry in Eocence basalt of Crescent Formation in the Black Hills, Capitol State Forest, near Porter, Grays Harbor County, Washington. The quarry is named the Four Mile Quarry because of a mileage marker painted on a rock right at the quarry that indicates the distance on road C-1000 from Highway 12. The site was first found by Ray Claude in 1991. This quarry contains an abundance of cowlesite with associated minerals making it the best cowlesite locality in the Pacific Northwest. Cavities are all small, containing only micro crystals. No cabinet specimens have been found. The rock has been quarried for logging road surfacing and is now becoming overgrown with trees. The site has been used for target practicing, therefore, care must be taken when shooters are present. Since this is state land, collecting is allowed.

Rudy Tschernich

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

β“˜ Analcime
Formula: Na(AlSi2O6) · H2O
β“˜ Calcite
Formula: CaCO3
β“˜ 'Chabazite'
β“˜ Cowlesite
Formula: CaAl2Si3O10 · 6H2O
β“˜ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
β“˜ 'LΓ©vyne'
β“˜ Offretite
Formula: KCaMg(Si13Al5)O36 · 15H2O
β“˜ 'Phillipsite Subgroup'
β“˜ Pyrite
Formula: FeS2
β“˜ Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O

Gallery:

Na(AlSi2O6) · H2Oβ“˜ Analcime
β“˜ 'Chabazite'
CaAl2Si3O10 · 6H2Oβ“˜ Cowlesite
(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2Oβ“˜ 'Heulandite Subgroup'
β“˜ 'LΓ©vyne'
β“˜ 'Phillipsite Subgroup'
NaCa2[Al5Si5O20] · 6H2Oβ“˜ Thomsonite-Ca

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] Β· 6H2O
β“˜Analcime9.GB.05Na(AlSi2O6) Β· H2O
β“˜Offretite9.GD.25KCaMg(Si13Al5)O36 Β· 15H2O
β“˜Cowlesite9.GG.05CaAl2Si3O10 Β· 6H2O
Unclassified
β“˜'Chabazite'-
β“˜'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] Β· nH2O
β“˜'LΓ©vyne'-
β“˜'Phillipsite Subgroup'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ AnalcimeNa(AlSi2O6) · H2O
Hβ“˜ CowlesiteCaAl2Si3O10 · 6H2O
Hβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Hβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ AnalcimeNa(AlSi2O6) · H2O
Oβ“˜ CalciteCaCO3
Oβ“˜ CowlesiteCaAl2Si3O10 · 6H2O
Oβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Oβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
NaSodium
Naβ“˜ AnalcimeNa(AlSi2O6) · H2O
Naβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
MgMagnesium
Mgβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
AlAluminium
Alβ“˜ AnalcimeNa(AlSi2O6) · H2O
Alβ“˜ CowlesiteCaAl2Si3O10 · 6H2O
Alβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Alβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
SiSilicon
Siβ“˜ AnalcimeNa(AlSi2O6) · H2O
Siβ“˜ CowlesiteCaAl2Si3O10 · 6H2O
Siβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Siβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
SSulfur
Sβ“˜ PyriteFeS2
KPotassium
Kβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ CowlesiteCaAl2Si3O10 · 6H2O
Caβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caβ“˜ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Caβ“˜ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
FeIron
Feβ“˜ PyriteFeS2

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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

Tschernich, R.W. (1992) Zeolites from Porter, Grays Harbor County, Washington. Micro Probe, V 7, No. 5, pp. 8-10.
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