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Lake Tecopa Basin, Inyo County, California, USAi
Regional Level Types
Lake Tecopa BasinBasin
Inyo CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearchMineralogy
08192380017272327635549.jpg
Ash beds and lake sediments

Lake Tecopa Basin, Inyo County, California, USA
01559130017272327648751.jpg
Ancient Tecopa Lake Sediments

Lake Tecopa Basin, Inyo County, California, USA
08345310017480889881968.jpg
Precious Opal, etc.

Lake Tecopa Basin, Inyo County, California, USA
08236940017492867361621.jpg
Ash beds and lake sediments

Lake Tecopa Basin, Inyo County, California, USA
03341700017492867371920.jpg
Ancient Tecopa Lake Sediments

Lake Tecopa Basin, Inyo County, California, USA
03530890017480765459740.jpg
Precious Opal, etc.

Lake Tecopa Basin, Inyo County, California, USA
08192380017272327635549.jpg
Ash beds and lake sediments

Lake Tecopa Basin, Inyo County, California, USA
01559130017272327648751.jpg
Ancient Tecopa Lake Sediments

Lake Tecopa Basin, Inyo County, California, USA
Latitude & Longitude:
36° North , 117° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~177km
GRN:
N25W68
Type:
Basin
Mindat Locality ID:
255486
Long-form identifier:
mindat:1:2:255486:3
GUID (UUID V4):
0


A basin formed from the Pleiocene Lake Tecopa.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

9 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
Description: Occurs less a bundantly only rarely making as much as 10% of the tuff.
ⓘ 'Clinoptilolite Subgroup'
Formula: (Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Habit: Laths or plates.
Description: Occurs as crystals from 0.006 mm to 0.03 mm in altered tuff.
ⓘ Cristobalite
Formula: SiO2
Description: Occurs in a clay formation.
ⓘ 'Erionite Subgroup'
Formula: M2[Al4Si14O36] · 15H2O
Description: Occurs as monominerallic beds or in association with other silicates.
ⓘ 'K Feldspar'
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Precious Opal
Formula: SiO2 · nH2O
References:
Rod Martin CollectionIdentified by Rod Martin: Visual Identification, Dealer/Collection Label
ⓘ 'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Description: Occurs as monominerallic beds or in association with other silicates.
ⓘ Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Description: Occurs in lacustrine sediments.
ⓘ Saponite var. Lithian Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Description: Occurs in lacustrine sediments.
ⓘ Searlesite
Formula: Na(H2BSi2O7)
ⓘ Tridymite
Formula: SiO2
Description: Occurs in a clay formation.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O
ⓘTridymite4.DA.10SiO2
ⓘOpal
var. Precious Opal		4.DA.10SiO2 · nH2O
ⓘCristobalite4.DA.15SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘSaponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘvar. Lithian Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘSearlesite9.EF.15Na(H2BSi2O7)
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Chabazite'-
ⓘ'Clinoptilolite Subgroup'-(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ'Erionite Subgroup'-M2[Al4Si14O36] · 15H2O
ⓘ'Phillipsite Subgroup'-(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
ⓘ'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Hⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ OpalSiO2 · nH2O
Hⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Hⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Hⓘ SearlesiteNa(H2BSi2O7)
Hⓘ Opal var. Precious OpalSiO2 · nH2O
Hⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
BBoron
Bⓘ SearlesiteNa(H2BSi2O7)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ CalciteCaCO3
Oⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Oⓘ CristobaliteSiO2
Oⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ OpalSiO2 · nH2O
Oⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Oⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Oⓘ SearlesiteNa(H2BSi2O7)
Oⓘ TridymiteSiO2
Oⓘ Opal var. Precious OpalSiO2 · nH2O
Oⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
NaSodium
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Naⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Naⓘ SearlesiteNa(H2BSi2O7)
MgMagnesium
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mgⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Alⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Alⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Alⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Siⓘ CristobaliteSiO2
Siⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Siⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Siⓘ SearlesiteNa(H2BSi2O7)
Siⓘ TridymiteSiO2
Siⓘ Opal var. Precious OpalSiO2 · nH2O
Siⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
KPotassium
Kⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Caⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Caⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
FeIron
Feⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Feⓘ Saponite var. Lithian SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
BaBarium
Baⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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