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La Mine d'Or beach alluvials, Penestin, Morbihan, Brittany, Francei
Regional Level Types
La Mine d'Or beach alluvialsAlluvials
Penestin- not defined -
MorbihanDepartment
BrittanyRegion
FranceCountry

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Key
Latitude & Longitude (WGS84):
47° 28' 59'' North , 2° 29' 36'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Pénestin1,627 (2016)1.5km
Billiers769 (2016)5.3km
Camoël696 (2016)7.4km
Damgan1,415 (2016)7.4km
Muzillac4,308 (2016)8.0km
Name(s) in local language(s):
Plage de la Mine d'Or, Penestin, Morbihan, Bretagne, France


Mineralized placers in beach sands.
French Lambert coordinates : X=236.3, Y=286.6.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


23 valid minerals.

Detailed Mineral List:

Anatase
Formula: TiO2
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Andalusite
Formula: Al2(SiO4)O
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/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. 9.
Arsenopyrite
Formula: FeAsS
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. 9.
Baryte
Formula: BaSO4
Reference: collected by François Périnet
Calcite
Formula: CaCO3
Reference: collected by François Périnet
Cassiterite
Formula: SnO2
Reference: Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
Corundum
Formula: Al2O3
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Corundum var: Sapphire
Formula: Al2O3
Reference: collected by François Périnet
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. 9.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
'Glauconite'
Formula: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Reference: Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
Gold
Formula: Au
Reference: Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
Gypsum
Formula: CaSO4 · 2H2O
Reference: collected by François Périnet
Ilmenite
Formula: Fe2+TiO3
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Kyanite
Formula: Al2(SiO4)O
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Leucoxene
Reference: collected by François Périnet
'Limonite'
Formula: (Fe,O,OH,H2O)
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. 9.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
'Monazite'
Description: Grey Europium-rich monazite.
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Platinum
Formula: Pt
Reference: Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
Pyrite
Formula: FeS2
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. 9.
Rutile
Formula: TiO2
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Sillimanite
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. 9.
Spinel
Formula: MgAl2O4
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Titanite
Formula: CaTi(SiO4)O
Reference: collected by François Périnet
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Zircon
Formula: Zr(SiO4)
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Platinum1.AF.10Pt
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
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
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
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.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Garnet Group'-X3Z2(SiO4)3
'Glauconite'-(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Leucoxene-
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
'Tourmaline'-A(D3)G6(Si6O18)(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
Platinum Group Metals and Alloys
Platinum1.2.1.1Pt
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
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
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
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)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Glaucophane66.1.3c.1◻[Na2][Mg3Al2]Si8O22(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
'Glauconite'71.2.2a.5(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Corundum
var: Sapphire
-Al2O3
'Garnet Group'-X3Z2(SiO4)3
Leucoxene-
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
H StauroliteFe22+Al9Si4O23(OH)
H Limonite(Fe,O,OH,H2O)
H ApatiteCa5(PO4)3(Cl/F/OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H GypsumCaSO4 · 2H2O
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
OOxygen
O CassiteriteSnO2
O Garnet GroupX3Z2(SiO4)3
O Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O AnataseTiO2
O AndalusiteAl2(SiO4)O
O CorundumAl2O3
O KyaniteAl2(SiO4)O
O Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O RutileTiO2
O SpinelMgAl2O4
O StauroliteFe22+Al9Si4O23(OH)
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O ZirconZr(SiO4)
O Limonite(Fe,O,OH,H2O)
O ApatiteCa5(PO4)3(Cl/F/OH)
O SillimaniteAl2(SiO4)O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O CalciteCaCO3
O BaryteBaSO4
O GypsumCaSO4 · 2H2O
O Corundum (var: Sapphire)Al2O3
O TitaniteCaTi(SiO4)O
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Na Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
MgMagnesium
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mg Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Mg SpinelMgAl2O4
AlAluminium
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al AndalusiteAl2(SiO4)O
Al CorundumAl2O3
Al KyaniteAl2(SiO4)O
Al Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Al SpinelMgAl2O4
Al StauroliteFe22+Al9Si4O23(OH)
Al SillimaniteAl2(SiO4)O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Corundum (var: Sapphire)Al2O3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si AndalusiteAl2(SiO4)O
Si KyaniteAl2(SiO4)O
Si Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Si StauroliteFe22+Al9Si4O23(OH)
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si ZirconZr(SiO4)
Si SillimaniteAl2(SiO4)O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S ArsenopyriteFeAsS
S PyriteFeS2
S BaryteBaSO4
S GypsumCaSO4 · 2H2O
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti AnataseTiO2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe StauroliteFe22+Al9Si4O23(OH)
Fe ArsenopyriteFeAsS
Fe Limonite(Fe,O,OH,H2O)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyriteFeS2
AsArsenic
As ArsenopyriteFeAsS
ZrZirconium
Zr ZirconZr(SiO4)
SnTin
Sn CassiteriteSnO2
BaBarium
Ba BaryteBaSO4
PtPlatinum
Pt PlatinumPt
AuGold
Au GoldAu

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. 9.

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Eurasian PlateTectonic Plate

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