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Serpentinite localities, Tobago, Trinidad and Tobagoi
Regional Level Types
Serpentinite localities- not defined -
Tobago- not defined -
Trinidad and TobagoCountry

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Key
Latitude & Longitude (WGS84):
11° North , 60° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~46km
Age:
100.5 to 66.0 Ma
Geologic Time:
Reference for age:
Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Köppen climate type:


Outcrops of serpentinized ultramafic rocks along forestry roads and river beds in the eastern part of the island.

These rocks form part of a single fractionated plutonic body, consisting mainly of gabbro and dunite with minor tonalite. Rodingites occur rarely.

Regions containing this locality

Caribbean PlateTectonic Plate
The CaribbeanRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Awaruite
Formula: Ni3Fe
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Chalcopyrite
Formula: CuFeS2
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
'Chlorite Group'
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
'Clinopyroxene Subgroup'
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Digenite
Formula: Cu9S5
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
'Fayalite-Forsterite Series'
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Pyrite
Formula: FeS2
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Pyrrhotite
Formula: Fe7S8
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.
Sphalerite
Formula: ZnS
Reference: Scott, P.W., Jackson, T.A., Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita 34:7, 718-723.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Awaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Digenite2.BA.10Cu9S5
Pentlandite2.BB.15(FexNiy)Σ9S8
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

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 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, Mixtures, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Scott, P.W., Jackson, T.A., and Dunham, A.C. (1999) Economic potential of the ultramafic rocks of Jamaica and Tobago: two contrasting geological settings in the Caribbean. Mineralium Deposita, 34(7), 718-723.


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