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Gros Îlet, Les Trois-Îlets, Martinique, French West Indies, Francei
Regional Level Types
Gros Îlet- not defined -
Les Trois-Îlets- not defined -
Martinique- not defined -
French West IndiesGroup of Overseas Territories
FranceCountry

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Latitude & Longitude (WGS84): 14° 32' 54'' North , 61° 1' 13'' West
Latitude & Longitude (decimal): 14.54819,-61.02030
GeoHash:G#: ddsdg2qm7
Köppen climate type:Af : Tropical rainforest climate
Nearest Settlements:
PlacePopulationDistance
Les Trois-Îlets5,657 (2017)1.7km
Ducos17,394 (2018)5.8km
Le Lamentin39,229 (2017)7.6km
Fort-de-France89,995 (2018)8.5km
Saint-Esprit8,508 (2008)9.4km


6.5 Ma garnet dacite dome in the South-West of La Martinique.

Regions containing this locality

Caribbean PlateTectonic Plate
The CaribbeanRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
'Apatite'
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
'Biotite'
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Cummingtonite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Hematite
Formula: Fe2O3
Hercynite
Formula: Fe2+Al2O4
'Hornblende'
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
Ilmenite
Formula: Fe2+TiO3
Ilmenite var: Ferrian Ilmenite
Formula: (Fe,Ti)2O3
Magnetite
Formula: Fe2+Fe3+2O4
Magnetite var: Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Quartz
Formula: SiO2
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
Sanidine
Formula: K(AlSi3O8)
Titanite
Formula: CaTi(SiO4)O
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.
Zircon
Formula: Zr(SiO4)
Reference: Germa. A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Hercynite4.BB.05Fe2+Al2O4
Ilmenite4.CB.05Fe2+TiO3
var: Ferrian Ilmenite4.CB.05(Fe,Ti)2O3
Magnetite4.BB.05Fe2+Fe3+2O4
var: Titaniferous Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Quartz4.DA.05SiO2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Cummingtonite9.DE.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Sanidine9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Hornblende'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Hercynite7.2.1.3Fe2+Al2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
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 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Cummingtonite66.1.1.1☐{Mg2}{Mg5}(Si8O22)(OH)2
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
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Hornblende'-
Ilmenite
var: Ferrian Ilmenite
-(Fe,Ti)2O3
Magnetite
var: Titaniferous Magnetite
-Fe2+(Fe3+,Ti)2O4

List of minerals for each chemical element

HHydrogen
H Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
OOxygen
O AlmandineFe32+Al2(SiO4)3
O Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
O Ilmenite (var: Ferrian Ilmenite)(Fe,Ti)2O3
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O QuartzSiO2
O HematiteFe2O3
O SanidineK(AlSi3O8)
O Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
O HercyniteFe2+Al2O4
O MagnetiteFe2+Fe23+O4
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O IlmeniteFe2+TiO3
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al SanidineK(AlSi3O8)
Al HercyniteFe2+Al2O4
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si QuartzSiO2
Si SanidineK(AlSi3O8)
Si Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
KPotassium
K SanidineK(AlSi3O8)
CaCalcium
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Ti Ilmenite (var: Ferrian Ilmenite)(Fe,Ti)2O3
Ti TitaniteCaTi(SiO4)O
Ti IlmeniteFe2+TiO3
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Fe Ilmenite (var: Ferrian Ilmenite)(Fe,Ti)2O3
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe HematiteFe2O3
Fe HercyniteFe2+Al2O4
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3
ZrZirconium
Zr ZirconZr(SiO4)

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

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)
Westercamp, D. (1976): Pétrologie de la dacite à grenat de Gros Ilet, Martinique, Petites Antilles françaises. Bulletin du BRGM Section IV, 253-265.
Germa, A. (2010): Evolution volcano-tectonique de l'île de la Martinique (arc insulaire des Petites Antilles): nouvelles contraintes géochronologiques et géomorphologiques. Géologie appliquée. Université Paris Sud - Paris XI, 2008.

External Links



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