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Basaltics lava flows, Reyran valley, Fréjus, Var, Provence-Alpes-Côte d'Azur, Francei
Regional Level Types
Basaltics lava flows- not defined -
Reyran valleyValley
Fréjus- not defined -
VarDepartment
Provence-Alpes-Côte d'AzurRegion
FranceCountry

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Name(s) in local language(s):Coulées de lave basaltiques, Vallée de Reyran, Fréjus, Var, Provence-Alpes-Côte d'Azur, France
Latitude & Longitude (WGS84): 43° 28' 40'' North , 6° 44' 41'' East
Latitude & Longitude (decimal): 43.47801,6.74500
GeoHash:G#: spsz36zt9
Area:2.0 km2
Köppen climate type:Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Fréjus53,098 (2016)5.1km
Puget-sur-Argens6,943 (2016)5.9km
Saint-Raphaël34,918 (2018)6.5km
Bagnols-en-Forêt1,810 (2016)7.4km
Roquebrune-sur-Argens12,485 (2016)10.3km


Several lava flows in the Reyran valley, at the south of the Malpasset site, and in the north of the city of Frejus. Lava often contains mineralised vugs.
Richest spot is seated in the west of the lava flows, at the place where the highway cuts the outcrop. The synchysite-(Ce) was found near the Reyran river.

Confusion must not be done with the formations containing the "lithophyses" (particulary well colorated chalcedony). Althought they can be found in the same geographical area, the context is different (rhyolitic lava flows) - see attached geolocical map http://www.mindat.org/photo-577889.html



Série de coulées basaltiques dans la basse vallée du Reyran, en aval du site de Malpasset. Les bulles du basalte sont fréquemment minéralisées.
Le spot le plus riche est situé dans la coulée entaillée par l'autoroute A8, 500 mètres au nord de péage de Fréjus. Les travaux de construction, puis d'élargissement de l'autoroute ont permis la découvertes de nombreuses bulles.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
The Alps, EuropeMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Baryte
Formula: BaSO4
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Calcite
Formula: CaCO3
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre; Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856. MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Chalcopyrite
Formula: CuFeS2
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre; Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856. MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856.
Covellite
Formula: CuS
Reference: Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856.
Digenite
Formula: Cu9S5
Reference: Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856.
Fluorite
Formula: CaF2
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre; Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856. MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Hematite
Formula: Fe2O3
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre; Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856. MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Marcasite
Formula: FeS2
Reference: MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Pyrite
Formula: FeS2
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre
Quartz
Formula: SiO2
Reference: Mines et minéraux de la Provence cristalline - G. Mari, ed. Serre MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Quartz var: Amethyst
Formula: SiO2
Reference: "Mines et minéraux de la Provence cristalline" - G. Mari, ed. Serre MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33
Synchysite-(Ce)
Formula: CaCe(CO3)2F
Reference: Augé, T., Bailly, L. & Wille, G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856. Augé, T., Bailly, L. & Chollet, P. (2015): Une occurence originale de synchysite-(Ce) dans les bulles de lave de la vallée du Reyran, Estérel, Var, France.Conséquences sur la mobilité des éléments du groupe des terres rares. Riviera scientifique 99, 49-68

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Digenite2.BA.10Cu9S5
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Synchysite-(Ce)5.BD.20cCaCe(CO3)2F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Digenite2.4.7.3Cu9S5
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Synchysite-(Ce)16a.1.3.1CaCe(CO3)2F
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
Quartz
var: Amethyst
-SiO2

List of minerals for each chemical element

HHydrogen
H ClinochloreMg5Al(AlSi3O10)(OH)8
H AnalcimeNa(AlSi2O6) · H2O
CCarbon
C CalciteCaCO3
C Synchysite-(Ce)CaCe(CO3)2F
OOxygen
O HematiteFe2O3
O QuartzSiO2
O CalciteCaCO3
O BaryteBaSO4
O Quartz (var: Amethyst)SiO2
O Synchysite-(Ce)CaCe(CO3)2F
O ClinochloreMg5Al(AlSi3O10)(OH)8
O AlbiteNa(AlSi3O8)
O AnalcimeNa(AlSi2O6) · H2O
FFluorine
F FluoriteCaF2
F Synchysite-(Ce)CaCe(CO3)2F
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
SiSilicon
Si QuartzSiO2
Si Quartz (var: Amethyst)SiO2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si AlbiteNa(AlSi3O8)
Si AnalcimeNa(AlSi2O6) · H2O
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S BaryteBaSO4
S CovelliteCuS
S DigeniteCu9S5
S MarcasiteFeS2
CaCalcium
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca Synchysite-(Ce)CaCe(CO3)2F
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe MarcasiteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu DigeniteCu9S5
BaBarium
Ba BaryteBaSO4
CeCerium
Ce Synchysite-(Ce)CaCe(CO3)2F

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

Permian
251.902 - 298.9 Ma



ID: 3157747
alcaline volcanics

Age: Phanerozoic (251.902 - 298.9 Ma)

Lithology: Alkali rhyolite

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]

Permian
251.902 - 298.9 Ma



ID: 3186387
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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)
"Mines et minéraux de la Provence cristalline" - G. Mari, ed. Serre
Augé, T., Bailly, L. & Wille., G. (2015): An unusual occurrence of synchysite-(Ce) in amygdules from the Esterel volcanic rocks, France: Implications for rare-earth element mobility. Canadian Mineralogist 52, 837-856.
Augé, T., Bailly, L. & Chollet, P. (2015): Une occurence originale de synchysite-(Ce) dans les bulles de lave de la vallée du Reyran, Estérel, Var, France.Conséquences sur la mobilité des éléments du groupe des terres rares. Riviera scientifique 99, 49-68


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