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Wolf Creek Pass, San Juan Mts, Mineral Co., Colorado, USAi
Regional Level Types
Wolf Creek PassPass
San Juan MtsMountain Range
Mineral Co.County
ColoradoState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
37° 26' 58'' North , 106° 52' 51'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Pagosa Springs1,756 (2017)23.0km
South Fork362 (2017)32.4km
Gerrard278 (2011)35.8km
Alpine174 (2011)37.0km
Creede405 (2011)44.6km


Extensive lava flows cover much of southwestern Mineral Co. 4 miles west of Wolf Creek Pass along US Hwy 160, A zeolite outcrop is 800 meters uphill on the right from the pullout for Treasure Falls. Also see Archuleta County.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

11 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Rocks & Minerals 79:5 pp316-324
Calcite
Formula: CaCO3
Reference: Minerals of Colorado (1997) Eckel, E. B.
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Reference: Rocks & Minerals 79:5 pp316-324
'Chabazite'
Reference: Rocks & Minerals 79:5 pp316-324
'Chlorite Group'
Reference: Rocks & Minerals 79:5 pp316-324
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Rocks & Minerals 79:5 pp316-324
'Erionite' ?
Description: Probably misidentified mordenite.
Reference: Rocks & Minerals 79:5 pp316-324
Heulandite-Na
Formula: (Na,Ca,K)6(Si,Al)36O72 · 22H2O
Reference: Patrick haynes. ID via Tony Kampf
'Heulandite subgroup'
'Lévyne'
Reference: Rocks & Minerals 79:5 pp316-324
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: Rocks & Minerals 79:5 pp316-324
'Phillipsite'
Reference: Rocks & Minerals 79:5 pp316-324
'Phillipsite var: Wellsite'
Formula: (K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Reference: Rocks & Minerals 79:5 pp316-324
Pyrite
Formula: FeS2
Reference: Rocks & Minerals 79:5 pp316-324
Quartz
Formula: SiO2
Quartz var: Agate
Reference: Rocks & Minerals 79:5 pp316-324
Quartz var: Amethyst
Formula: SiO2
Reference: Rocks & Minerals 79:5 pp316-324
Quartz var: Chalcedony
Formula: SiO2
Reference: Rocks & Minerals 79:5 pp316-324
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Rocks & Minerals 79:5 pp316-324

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Celadonite9.EC.15K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Heulandite-Na9.GE.05(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Chlorite Group'-
'Erionite' ?-
'Heulandite subgroup'-
'Lévyne'-
'Phillipsite'-
'var: Wellsite'-(K,Ba,Ca,K2)Al2Si6O16 · 6H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Celadonite71.2.2a.6K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
'Lévyne'77.1.2.8
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
'Chabazite'-
'Chlorite Group'-
'Erionite' ?-
'Heulandite subgroup'-
Heulandite-Na-(Na,Ca,K)6(Si,Al)36O72 · 22H2O
'Phillipsite'-
'var: Wellsite'-(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Quartz
var: Agate
-SiO2
var: Amethyst-SiO2
var: Chalcedony-SiO2

List of minerals for each chemical element

HHydrogen
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
H Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
CCarbon
C CalciteCaCO3
OOxygen
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O NatroliteNa2Al2Si3O10 · 2H2O
O CalciteCaCO3
O AnalcimeNa(AlSi2O6) · H2O
O CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
O Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
O Quartz (var: Amethyst)SiO2
O QuartzSiO2
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
O Quartz (var: Chalcedony)SiO2
NaSodium
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Na Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
MgMagnesium
Mg CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
SiSilicon
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Si Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si Quartz (var: Amethyst)SiO2
Si QuartzSiO2
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Si Quartz (var: Chalcedony)SiO2
SSulfur
S PyriteFeS2
KPotassium
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
K Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
K Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
CaCalcium
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca CalciteCaCO3
Ca Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
FeIron
Fe CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe PyriteFeS2
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
BaBarium
Ba Phillipsite (var: Wellsite)(K,Ba,Ca,K2)Al2Si6O16 · 6H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Miocene - Eocene
5.333 - 56 Ma



ID: 3190650
Cenozoic volcanic rocks

Age: Cenozoic (5.333 - 56 Ma)

Stratigraphic Name: San Juan Mountains

Comments: Southern Rocky Mountains

Lithology: Intermediate-felsic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Rupelian - Priabonian
28.1 - 37.8 Ma



ID: 2975256
Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates

Age: Paleogene (28.1 - 37.8 Ma)

Description: Includes several named units

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{andesite}, Minor:{volcanic,conglomerate,igneous}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Eckel, E. B. (1997) Minerals of Colorado.
Rocks & Minerals (2004): Zeolites and Associated Minerals of the Wolf Creek Pass area: 79(5): 316-324.

Localities in this Region
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