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Bestrée, Pointe du Raz, Plogoff, Cape Sizun, Finistère, Brittany, Francei
Regional Level Types
Bestrée- not defined -
Pointe du Raz- not defined -
Plogoff- not defined -
Cape Sizun- not defined -
FinistèreDepartment
BrittanyRegion
FranceCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 48° 2' 10'' North , 4° 42' 56'' West
Latitude & Longitude (decimal): 48.03616,-4.71574
GeoHash:G#: gbs9k8wng
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Plogoff1,649 (2016)3.7km
Cléden-Cap-Sizun978 (2016)5.3km
Primelin744 (2016)8.0km
Goulien450 (2016)9.4km
Esquibien1,707 (2016)11.5km


Quartz vein in pyritized migmatitic granite, near the South Armorican mylonitized zone at the contact leucogranite/gneisses and migmatitic granite.
Three phases of mineralization are known :
1) Berthierite and pyrrhotite in quartz, altered into stibnite, antimony, pyrite-marcasite
2) Alteration of the first deposition by Pb-Zn solutions, formation of zinkenite, sphalerite and sulphosalts
3) Late dissolution and formation of jamesonite, galena, pyrite framboids in chalcedony

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Barrière, M., Chauris, L., Fouquet, Y., Guilcher, A., Lefort, J.-P., Pelhate, A. (1985): Notice explicative de la feuille Pointe du Raz à 1/50000, B.R.G.M., Editions du Service géologique national, p. 9.
Antimony
Formula: Sb
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Arsenopyrite
Formula: FeAsS
Description: In quartz vein or in disseminated in granite.
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
'Biotite'
Reference: Barrière, M., Chauris, L., Fouquet, Y., Guilcher, A., Lefort, J.-P., Pelhate, A. (1985): Notice explicative de la feuille Pointe du Raz à 1/50000, B.R.G.M., Editions du Service géologique national, p. 9.
'Feldspar Group'
Reference: Barrière, M., Chauris, L., Fouquet, Y., Guilcher, A., Lefort, J.-P., Pelhate, A. (1985): Notice explicative de la feuille Pointe du Raz à 1/50000, B.R.G.M., Editions du Service géologique national, p. 9.
Fülöppite
Formula: Pb3Sb8S15
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Galena
Formula: PbS
Description: Small globules in chalcedony, rich in Sb.
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Jamesonite
Formula: Pb4FeSb6S14
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Marcasite
Formula: FeS2
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
'Melnikovite'
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Plagionite
Formula: Pb5Sb8S17
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Pyrite
Formula: FeS2
Description: - Automorph crystals in quartz, rich in As. - After pyrrhotite, with marcasite - Framboids in chalcedony
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Pyrrhotite
Formula: Fe7S8
Description: Altered in pyrite-marcasite.
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Quartz
Formula: SiO2
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Quartz var: Chalcedony
Formula: SiO2
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France. ; Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 82.
Semseyite
Formula: Pb9Sb8S21
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Sphalerite
Formula: ZnS
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.
Stibnite
Formula: Sb2S3
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 70.
Zinkenite
Formula: Pb9Sb22S42
Reference: Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Antimony1.CA.05Sb
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Fülöppite2.HC.10aPb3Sb8S15
Galena2.CD.10PbS
Jamesonite2.HB.15Pb4FeSb6S14
Marcasite2.EB.10aFeS2
Plagionite2.HC.10bPb5Sb8S17
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Semseyite2.HC.10dPb9Sb8S21
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Zinkenite2.JB.35aPb9Sb22S42
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Feldspar Group'-
'Melnikovite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Antimony1.3.1.2Sb
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
2 < ø < 2.49
Fülöppite3.6.20.1Pb3Sb8S15
Jamesonite3.6.7.1Pb4FeSb6S14
Plagionite3.6.20.2Pb5Sb8S17
Semseyite3.6.20.4Pb9Sb8S21
1 < ø < 2
Zinkenite3.8.1.1Pb9Sb22S42
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Feldspar Group'-
'Melnikovite'-
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Quartz (var: Chalcedony)SiO2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Quartz (var: Chalcedony)SiO2
SSulfur
S PyriteFeS2
S ArsenopyriteFeAsS
S SphaleriteZnS
S GalenaPbS
S MarcasiteFeS2
S PyrrhotiteFe7S8
S ZinkenitePb9Sb22S42
S FülöppitePb3Sb8S15
S PlagionitePb5Sb8S17
S SemseyitePb9Sb8S21
S JamesonitePb4FeSb6S14
S StibniteSb2S3
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe MarcasiteFeS2
Fe PyrrhotiteFe7S8
Fe JamesonitePb4FeSb6S14
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
SbAntimony
Sb AntimonySb
Sb ZinkenitePb9Sb22S42
Sb FülöppitePb3Sb8S15
Sb PlagionitePb5Sb8S17
Sb SemseyitePb9Sb8S21
Sb JamesonitePb4FeSb6S14
Sb StibniteSb2S3
PbLead
Pb GalenaPbS
Pb ZinkenitePb9Sb22S42
Pb FülöppitePb3Sb8S15
Pb PlagionitePb5Sb8S17
Pb SemseyitePb9Sb8S21
Pb JamesonitePb4FeSb6S14

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

Late Carboniferous
298.9 - 323.2 Ma



ID: 3146652
continental molasse

Age: Pennsylvanian (298.9 - 323.2 Ma)

Lithology: Major:{sandstone}, Minor{conglomerate,siltstone}

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Moëlo Y., Fouquet Y., Laforêt C., Chauris L. (1978): L’indice plombo-antimonifère du Bestrée (Cap Sizun, Finistère). Bull. Minéral. 101, 363–367.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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