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La Compointrie, Saint-Philbert-de-Grand-Lieu, Loire-Atlantique, Pays de la Loire, Francei
Regional Level Types
La Compointrie- not defined -
Saint-Philbert-de-Grand-Lieu- not defined -
Loire-AtlantiqueDepartment
Pays de la LoireRegion
FranceCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 47° 2' 17'' North , 1° 40' 0'' West
Latitude & Longitude (decimal): 47.03823,-1.66676
GeoHash:G#: gbqgd5439
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Saint-Philbert-de-Grand-Lieu6,757 (2016)2.0km
Saint-Lumine-de-Coutais1,770 (2016)4.9km
La Limouzinière1,518 (2016)7.3km
La Chevrolière5,220 (2016)7.3km
Saint-Mars-de-Coutais2,360 (2016)9.6km
Other/historical names associated with this locality:Pays de Loire


Eclogite.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 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:

'Albite-Anorthite Series'
Reference: Alain Guillet collection
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 115.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004
Kyanite
Formula: Al2(SiO4)O
Reference: Mposkos, E., & Perraki, M. (2012). Preiswerkite, Ca-(Mg, Fe)-paragonite and Ca-“ephesite” in metadiorite from the HP Kechros Metamorphic Complex in Eastern Rhodope, NE Greece. Geochemistry, Mineralogy and Petrology Sofia 49, 33-48.
Margarite
Formula: CaAl2(Al2Si2O10)(OH)2
Reference: INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004
Margarite var: Na-(Mg,Fe)-margarite
Reference: Godard, G. and Smith, D. (1999) Preiswerkite and Na-(Mg,Fe)-margarite in eclogites. Contributions to Mineralogy and Petrology 136 (1-2): 20-32
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Reference: INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004 Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 123.
Preiswerkite
Formula: NaMg2Al(Al2Si2O10)(OH)2
Reference: Mposkos, E., & Perraki, M. (2012). Preiswerkite, Ca-(Mg, Fe)-paragonite and Ca-“ephesite” in metadiorite from the HP Kechros Metamorphic Complex in Eastern Rhodope, NE Greece. Geochemistry, Mineralogy and Petrology Sofia 49, 33-48.
Pyrite
Formula: FeS2
Reference: Alain Guillet collection
Rutile
Formula: TiO2
Reference: Alain Guillet collection
Zoisite
Formula: Ca2Al3[Si2O7][SiO4]O(OH)
Reference: INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Rutile4.DB.05TiO2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Kyanite9.AF.15Al2(SiO4)O
Margarite9.EC.30CaAl2(Al2Si2O10)(OH)2
var: Na-(Mg,Fe)-margarite9.EC.30CaAl2(Al2Si2O10)(OH)2
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Preiswerkite9.EC.20NaMg2Al(Al2Si2O10)(OH)2
Zoisite9.BG.10Ca2Al3[Si2O7][SiO4]O(OH)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
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
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
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)
Zoisite58.2.1b.1Ca2Al3[Si2O7][SiO4]O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Margarite71.2.2c.1CaAl2(Al2Si2O10)(OH)2
Preiswerkite71.2.2b.15NaMg2Al(Al2Si2O10)(OH)2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Garnet Group'-X3Z2(SiO4)3
Margarite
var: Na-(Mg,Fe)-margarite
-CaAl2(Al2Si2O10)(OH)2

List of minerals for each chemical element

HHydrogen
H PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
H ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
H MargariteCaAl2(Al2Si2O10)(OH)2
OOxygen
O PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
O KyaniteAl2(SiO4)O
O Garnet GroupX3Z2(SiO4)3
O ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O MargariteCaAl2(Al2Si2O10)(OH)2
O RutileTiO2
O AlmandineFe32+Al2(SiO4)3
NaSodium
Na PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
MgMagnesium
Mg PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
AlAluminium
Al PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
Al KyaniteAl2(SiO4)O
Al ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al MargariteCaAl2(Al2Si2O10)(OH)2
Al AlmandineFe32+Al2(SiO4)3
SiSilicon
Si PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
Si KyaniteAl2(SiO4)O
Si Garnet GroupX3Z2(SiO4)3
Si ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si MargariteCaAl2(Al2Si2O10)(OH)2
Si AlmandineFe32+Al2(SiO4)3
SSulfur
S PyriteFeS2
CaCalcium
Ca ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca MargariteCaAl2(Al2Si2O10)(OH)2
TiTitanium
Ti RutileTiO2
FeIron
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Fe PyriteFeS2
Fe AlmandineFe32+Al2(SiO4)3

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

Paleozoic
251.902 - 541 Ma



ID: 3138643
Amphibolite-leptynite unit

Age: Phanerozoic (251.902 - 541 Ma)

Description: ophiolite complex

Lithology: Major:{amphibolite}, Minor{eclogite,granulite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Silurian - Cambrian
419.2 - 541 Ma



ID: 3190585
Paleozoic crystalline metamorphic rocks

Age: Paleozoic (419.2 - 541 Ma)

Lithology: Low-medium grade metasedimentary/metavolcanic schist

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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)
Godard, G. and Smith, D.C. (1984) Deux micas inhabituels dans les éclogites de la Compointrie (Loire Atlantique) (abstract). In: Société Géologique de France (Ed.) Reunion des Sciences de la Terre, 10, p. 261.

External Links



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