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Prat-Mérien, Persquen, Morbihan, Brittany, Francei
Regional Level Types
Prat-Mérien- not defined -
Persquen- not defined -
MorbihanDepartment
BrittanyRegion
FranceCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 47° North , 2° West (est.)
Margin of Error:~75km
Köppen climate type:Cfb : Temperate oceanic climate


Quarry located North of Prat-Mérien farm.
Granite with mineralized veins (N10°E) ; mineralization also in arenitized zones (12 meters thick) and in N60°W fractures.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Description: In granite arenite.
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
'Gummite'
Description: In granite arenite and in cracks. -Yellow/orange gummite -Black gummite (parapitchblende)
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
'Gummite var: Coracite'
Description: In granite arenite and in cracks.
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Leucoxene
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Phosphuranylite
Formula: (H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Pyrite
Formula: FeS2
Description: Big crystals in micaschists and in cracks. Crystals encrusting pitchblende.
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Rutile
Formula: TiO2
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Uraninite
Formula: UO2
Description: Oxidized pitchblende (U4O9).
Reference: R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
Uraninite var: Pitchblende
Formula: UO2
Description: Oxidized pitchblende (U4O9).
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 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Rutile4.DB.05TiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Phosphuranylite8.EC.10(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Unclassified Minerals, Rocks, etc.
'Gummite'-
'var: Coracite'-
Leucoxene-

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 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Phosphuranylite42.4.8.1(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Unclassified Minerals, Mixtures, etc.
'Gummite'-
'var: Coracite'-
Leucoxene-
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
OOxygen
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Uraninite (var: Pitchblende)UO2
O Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
O RutileTiO2
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O UraniniteUO2
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S PyriteFeS2
KPotassium
K Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
TiTitanium
Ti RutileTiO2
FeIron
Fe PyriteFeS2
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U Uraninite (var: Pitchblende)UO2
U Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2

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