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Trinidad and Tobago

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Oil sands of the lower L'Enfer Formation

Stalmeyer Quarry, Trinidad, Trinidad and Tobago
Oil sands of the lower L'Enfer Formation

Stalmeyer Quarry, Trinidad, Trinidad and Tobago
Oil sands of the lower L'Enfer Formation

Stalmeyer Quarry, Trinidad, Trinidad and Tobago
Area:5,131 km2
Locality type:Country


An archipelagic state in the southern Caribbean, lying northeast of the South American nation of Venezuela and south of Grenada in the Lesser Antilles. It also shares maritime boundaries with Barbados to the northeast and Guyana to the southeast. The country covers an area of 5,128 square kilometers (1,979 sq mi) and consists of two main islands, Trinidad and Tobago, and 21 smaller islands.


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Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Amphibole Supergroup
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Awaruite
Formula: Ni3Fe
'Bituminous-sand'
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Chrysotile
Formula: Mg3(Si2O5)(OH)4
'Clinopyroxene Subgroup'
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Digenite
Formula: Cu9S5
'Fayalite-Forsterite Series'
Gypsum
Formula: CaSO4 · 2H2O
Lizardite
Formula: Mg3(Si2O5)(OH)4
Magnetite
Formula: Fe2+Fe3+2O4
Pentlandite
Formula: (FexNiy)Σ9S8
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe7S8
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Serpentinite'
Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Awaruite'1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Digenite'2.BA.10Cu9S5
'Pentlandite'2.BB.15(FexNiy)Σ9S8
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
'Magnetite'4.BB.05Fe2+Fe3+2O4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Gypsum'7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Chrysotile'9.ED.15Mg3(Si2O5)(OH)4
'Clinozoisite'9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
'Lizardite'9.ED.15Mg3(Si2O5)(OH)4
'Prehnite'9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Bituminous-sand'-
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Serpentinite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Awaruite1.1.11.4Ni3Fe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Digenite2.4.7.3Cu9S5
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
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)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
Amphibole Supergroup-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Bituminous-sand'-
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Serpentinite'-

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H ChrysotileMg3(Si2O5)(OH)4
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H GypsumCaSO4 · 2H2O
H LizarditeMg3(Si2O5)(OH)4
H PrehniteCa2Al2Si3O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
OOxygen
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O ChromiteFe2+Cr23+O4
O ChrysotileMg3(Si2O5)(OH)4
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O GypsumCaSO4 · 2H2O
O LizarditeMg3(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O PrehniteCa2Al2Si3O10(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg LizarditeMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al PrehniteCa2Al2Si3O10(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si ChrysotileMg3(Si2O5)(OH)4
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si LizarditeMg3(Si2O5)(OH)4
Si PrehniteCa2Al2Si3O10(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SSulfur
S ChalcopyriteCuFeS2
S DigeniteCu9S5
S GypsumCaSO4 · 2H2O
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca GypsumCaSO4 · 2H2O
Ca PrehniteCa2Al2Si3O10(OH)2
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AwaruiteNi3Fe
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni AwaruiteNi3Fe
Ni Pentlandite(FexNiy)Σ9S8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ChalcopyriteCuFeS2
Cu DigeniteCu9S5
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn SphaleriteZnS

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