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Le Loch beach alluvials, Guidel-Plages, Guidel, Morbihan, Brittany, Francei
Regional Level Types
Le Loch beach alluvialsAlluvials
Guidel-Plages- not defined -
GuidelCommune
MorbihanDepartment
BrittanyRegion
FranceCountry

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Name(s) in local language(s):Plage du Loch, Guidel-Plages, Guidel, Morbihan, Bretagne, France
Latitude & Longitude (WGS84): 47° 45' 20'' North , 3° 31' 5'' West
Latitude & Longitude (decimal): 47.75583,-3.51806
GeoHash:G#: gbmrxvwjz
Locality type:Alluvials
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Guidel-Plage9,800 (2016)1.3km
Clohars-Carnoët4,085 (2016)6.7km
Ploemeur20,652 (2016)6.8km
Gestel2,403 (2016)7.8km
Quéven9,316 (2016)8.2km


Placer on the beach
Ref :
Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


24 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Anatase
Formula: TiO2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Andalusite
Formula: Al2(SiO4)O
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
'Apatite'
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Arsenopyrite
Formula: FeAsS
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Cassiterite
Formula: SnO2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
'Chlorite Group'
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Chloritoid
Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Corundum
Formula: Al2O3
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Corundum var: Sapphire
Formula: Al2O3
Reference: Collected by François Périnet
Cuprite
Formula: Cu2O
Reference: Collected by François Périnet
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Gold
Formula: Au
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Ilmenite
Formula: Fe2+TiO3
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Kyanite
Formula: Al2(SiO4)O
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Leucoxene
Reference: Collected by François Périnet
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Collected by François Périnet
'Monazite'
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Pyrite
Formula: FeS2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Pyromorphite
Formula: Pb5(PO4)3Cl
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Rutile
Formula: TiO2
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Scheelite
Formula: Ca(WO4)
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: collected by François Périnet
Sillimanite
Formula: Al2(SiO4)O
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Titanite
Formula: CaTi(SiO4)O
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
Zircon
Formula: Zr(SiO4)
Reference: Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Cassiterite4.DB.05SnO2
Corundum4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Cuprite4.AA.10Cu2O
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Pyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Chloritoid9.AF.85(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Glaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
Kyanite9.AF.15Al2(SiO4)O
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
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'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
Leucoxene-
'Monazite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Corundum4.3.1.1Al2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Cassiterite4.4.1.5SnO2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Pyromorphite41.8.4.1Pb5(PO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
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] coordination only
Chloritoid52.3.3.1(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
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 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(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'-
'Chlorite Group'-
Corundum
var: Sapphire
-Al2O3
'Garnet Group'-X3Z2(SiO4)3
Leucoxene-
'Monazite'-
'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
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
H MalachiteCu2(CO3)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ZirconZr(SiO4)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O RutileTiO2
O AnataseTiO2
O CorundumAl2O3
O CassiteriteSnO2
O ScheeliteCa(WO4)
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 Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
O TitaniteCaTi(SiO4)O
O PyromorphitePb5(PO4)3Cl
O Corundum (var: Sapphire)Al2O3
O CupriteCu2O
O MalachiteCu2(CO3)(OH)2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)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
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Al Corundum (var: Sapphire)Al2O3
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
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 Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Si TitaniteCaTi(SiO4)O
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S PyriteFeS2
S ArsenopyriteFeAsS
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl PyromorphitePb5(PO4)3Cl
CaCalcium
Ca ScheeliteCa(WO4)
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)
Fe Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
AsArsenic
As ArsenopyriteFeAsS
ZrZirconium
Zr ZirconZr(SiO4)
SnTin
Sn CassiteriteSnO2
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu
PbLead
Pb PyromorphitePb5(PO4)3Cl

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: 3147205
Greenschist Unit

Age: Phanerozoic (251.902 - 541 Ma)

Description: undifferentiated

Lithology: Greenschist

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


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