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La Courance beach alluvials, Saint-Brevin-les-Pins, Loire-Atlantique, Pays de la Loire, Francei
Regional Level Types
La Courance beach alluvialsAlluvials
Saint-Brevin-les-Pins- not defined -
Loire-AtlantiqueDepartment
Pays de la LoireRegion
FranceCountry

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Key
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Name(s) in local language(s):Plage de la Courance
Latitude & Longitude (WGS84): 47° 14' 21'' North , 2° 10' 18'' West
Latitude & Longitude (decimal): 47.23917,-2.17194
GeoHash:G#: gbqkwxdkn
Locality type:Alluvials
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Saint-Brevin-les-Pins10,396 (2016)1.3km
Saint-Nazaire67,054 (2017)5.3km
Saint-Michel-Chef-Chef3,435 (2016)6.7km
Trignac7,132 (2016)8.9km
Corsept2,116 (2016)9.5km


Placer on the beach, characterized by an important percentage of pyroxene

Regions containing this locality

Eurasian PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Anatase
Formula: TiO2
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Andalusite
Formula: Al2(SiO4)O
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
'Apatite'
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Corundum
Formula: Al2O3
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
'Fayalite-Forsterite Series'
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Ilmenite
Formula: Fe2+TiO3
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Kyanite
Formula: Al2(SiO4)O
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
'Pyroxene Group'
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Rutile
Formula: TiO2
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Sillimanite
Formula: Al2(SiO4)O
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Titanite
Formula: CaTi(SiO4)O
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.
Zircon
Formula: Zr(SiO4)
Reference: Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Corundum4.CB.05Al2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Rutile4.DB.05TiO2
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kyanite9.AF.15Al2(SiO4)O
Sillimanite9.AF.05Al2(SiO4)O
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
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 [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Mixtures, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H StauroliteFe22+Al9Si4O23(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O ZirconZr(SiO4)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O RutileTiO2
O AnataseTiO2
O CorundumAl2O3
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O StauroliteFe22+Al9Si4O23(OH)
O AndalusiteAl2(SiO4)O
O SillimaniteAl2(SiO4)O
O KyaniteAl2(SiO4)O
O Garnet GroupX3Z2(SiO4)3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O TitaniteCaTi(SiO4)O
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlAluminium
Al CorundumAl2O3
Al StauroliteFe22+Al9Si4O23(OH)
Al AndalusiteAl2(SiO4)O
Al SillimaniteAl2(SiO4)O
Al KyaniteAl2(SiO4)O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Si ZirconZr(SiO4)
Si StauroliteFe22+Al9Si4O23(OH)
Si AndalusiteAl2(SiO4)O
Si SillimaniteAl2(SiO4)O
Si KyaniteAl2(SiO4)O
Si Garnet GroupX3Z2(SiO4)3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si TitaniteCaTi(SiO4)O
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti RutileTiO2
Ti AnataseTiO2
Ti IlmeniteFe2+TiO3
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe StauroliteFe22+Al9Si4O23(OH)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
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

Paleozoic - Neoproterozoic
251.902 - 1000 Ma



ID: 3131971
Proterozoic III meta-sediment

Age: Neoproterozoic to Triassic (251.902 - 1000 Ma)

Description: medium grade metamorphic

Lithology: Meta-sediment group

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chauris L. (1987), Nature et origine des placers littoraux de l’embouchure de la Loire, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 9, (1), p. 5.


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