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Porh Morvil creek alluvials (west), Porh Morvil creek, Primiture, Groix Island, Morbihan, Brittany, Francei
Regional Level Types
Porh Morvil creek alluvials (west)Alluvials
Porh Morvil creekCreek
Primiture- not defined -
Groix IslandIsland
MorbihanDepartment
BrittanyRegion
FranceCountry

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Name(s) in local language(s):Crique de Porh Morvil (partie ouest)
Latitude & Longitude (WGS84): 47° 37' 21'' North , 3° 25' 45'' West
Latitude & Longitude (decimal): 47.62250,-3.42917
GeoHash:G#: gbmwcvqvn
Locality type:Alluvials
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Groix2,429 (2016)2.6km
Gâvres815 (2016)9.8km
Larmor-Plage9,151 (2016)9.9km
Port-Louis3,020 (2016)10.9km
Ploemeur20,652 (2016)12.3km


Placer west of the creek.

Regions containing this locality

Eurasian PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Andalusite
Formula: Al2(SiO4)O
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
'Apatite'
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Corundum
Formula: Al2O3
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Ilmenite
Formula: Fe2+TiO3
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Rutile
Formula: TiO2
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Titanite
Formula: CaTi(SiO4)O
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Zircon
Formula: Zr(SiO4)
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
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)
Glaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
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'-
'Garnet Group'-X3Z2(SiO4)3
'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
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
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)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Glaucophane66.1.3c.1◻[Na2][Mg3Al2]Si8O22(OH)2
Unclassified Minerals, Mixtures, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Garnet Group'-X3Z2(SiO4)3
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H StauroliteFe22+Al9Si4O23(OH)
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O RutileTiO2
O ZirconZr(SiO4)
O MagnetiteFe2+Fe23+O4
O IlmeniteFe2+TiO3
O Garnet GroupX3Z2(SiO4)3
O StauroliteFe22+Al9Si4O23(OH)
O AndalusiteAl2(SiO4)O
O CorundumAl2O3
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
MgMagnesium
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
AlAluminium
Al StauroliteFe22+Al9Si4O23(OH)
Al AndalusiteAl2(SiO4)O
Al CorundumAl2O3
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si ZirconZr(SiO4)
Si Garnet GroupX3Z2(SiO4)3
Si StauroliteFe22+Al9Si4O23(OH)
Si AndalusiteAl2(SiO4)O
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
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 IlmeniteFe2+TiO3
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3
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: 3148813
para-autochtonous unit

Age: Neoproterozoic to Triassic (251.902 - 1000 Ma)

Description: high grade metamorphic

Lithology: Mica schist

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. (1982) Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale. Bull. Soc. Sc. nat. Ouest de la France, nouvelle série, tome 4, (1), p. 37.


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