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M.T. Pit No.1, Thompson Peak, Plumas Co., California, USAi
Regional Level Types
M.T. Pit No.1Pit
Thompson PeakPeak
Plumas Co.County
CaliforniaState
USACountry

Key
Latitude & Longitude (WGS84):
40° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~3km
Locality type:
Other/historical names associated with this locality:
MT Pit No. 1, MT Pit #1, M. T. Pit #1


Veins in granite. Best known for stacked crystals of albite and sprays of epidote.

Named by/for Bay Area collectors Jeanne Mager and Chuck Trantham.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Van king
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Van king; Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Van king
Quartz
Formula: SiO2
Reference: Van king
Titanite
Formula: CaTi(SiO4)O
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham
Zircon
Formula: Zr(SiO4)
Reference: Samples obtained from Bay Area Mineralogists (BAM) such as David Lowe and especially Chuck Trantham

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Allanite-(Ce)9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Axinite-(Fe)9.BD.20Ca2Fe2+Al2BSi4O15OH
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Metatorbernite40.2a.13.2Cu(UO2)2(PO4)2 · 8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Axinite-(Fe)56.2.2.1Ca2Fe2+Al2BSi4O15OH
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
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 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ClinochloreMg5Al(AlSi3O10)(OH)8
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
BBoron
B Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
OOxygen
O AlbiteNa(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O ClinochloreMg5Al(AlSi3O10)(OH)8
O TitaniteCaTi(SiO4)O
O MagnetiteFe2+Fe23+O4
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O ZirconZr(SiO4)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si TitaniteCaTi(SiO4)O
Si Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si ZirconZr(SiO4)
PPhosphorus
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
UUranium
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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