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La Floquerie quarry, Pannecé, Loire-Atlantique, Pays de la Loire, France

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Name(s) in local language(s):Carrière La Floquerie
Latitude & Longitude (WGS84): 47° 28' 59'' North , 1° 13' 59'' West
Latitude & Longitude (decimal): 47.48333,-1.23333
GeoHash:G#: gbrn5ujfm
Locality type:Quarry
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:Pays de Loire


Phosphate minerals occur in joints in phtanites (variety of jasper/chert).

Currently flooded [Lukas, 1978].

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Crandallite
Formula: CaAl3(PO4)(PO3OH)(OH)6
Habit: Fibrous spherule
Colour: Brown
Reference: Lheur C. (1993), Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique), Le Cahier des Micromonteurs, n°4, pp: 14-21
Graphite
Formula: C
Minyulite
Formula: KAl2(PO4)2(OH,F) · 4H2O
Habit: Fibro-radiated
Colour: Green-yellow
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp.; Lheur, C. (1993) Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique). Le Cahier des Micromonteurs, 4, 14-21.
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Sulphur
Formula: S8
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 43.
Variscite
Formula: AlPO4 · 2H2O
Habit: Massif
Colour: Green / White
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp.; Lheur, C. (1993) Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique). Le Cahier des Micromonteurs, 4, 14-21.
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Habit: Fibro-radiated
Colour: Colorless / Grey / Yellow / Green
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp.; Lheur, C. (1993) Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique). Le Cahier des Micromonteurs, 4, 14-21.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Graphite'1.CB.05aC
'Sulphur'1.CC.05S8
Group 2 - Sulphides and Sulfosalts
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Crandallite'8.BL.10CaAl3(PO4)(PO3OH)(OH)6
'Minyulite'8.DH.05KAl2(PO4)2(OH,F) · 4H2O
'Variscite'8.CD.10AlPO4 · 2H2O
'Wavellite'8.DC.50Al3(PO4)2(OH,F)3 · 5H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Crandallite42.7.3.1CaAl3(PO4)(PO3OH)(OH)6
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
(AB)3(XO4)2Zq·xH2O
Minyulite42.11.5.1KAl2(PO4)2(OH,F) · 4H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H CrandalliteCaAl3(PO4)(PO3OH)(OH)6
H MinyuliteKAl2(PO4)2(OH,F) · 4H2O
H VarisciteAlPO4 · 2H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
CCarbon
C GraphiteC
OOxygen
O CrandalliteCaAl3(PO4)(PO3OH)(OH)6
O MinyuliteKAl2(PO4)2(OH,F) · 4H2O
O QuartzSiO2
O VarisciteAlPO4 · 2H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FFluorine
F MinyuliteKAl2(PO4)2(OH,F) · 4H2O
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
AlAluminium
Al CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Al MinyuliteKAl2(PO4)2(OH,F) · 4H2O
Al VarisciteAlPO4 · 2H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SiSilicon
Si QuartzSiO2
PPhosphorus
P CrandalliteCaAl3(PO4)(PO3OH)(OH)6
P MinyuliteKAl2(PO4)2(OH,F) · 4H2O
P VarisciteAlPO4 · 2H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SSulfur
S PyriteFeS2
S SulphurS8
KPotassium
K MinyuliteKAl2(PO4)2(OH,F) · 4H2O
CaCalcium
Ca CrandalliteCaAl3(PO4)(PO3OH)(OH)6
FeIron
Fe PyriteFeS2

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 Ordovician
443.8 - 458.4 Ma



ID: 3131400
detrital and euxinic deposit

Age: Late Ordovician (443.8 - 458.4 Ma)

Description: low grade metamorphic

Lithology: Major:{shale/slate}, Minor{quartzite,marble,phyllite}

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]

Ordovician
443.8 - 485.4 Ma



ID: 3191763
Paleozoic sedimentary rocks

Age: Ordovician (443.8 - 485.4 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)
Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp.
Lheur, C. (1993) Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique). Le Cahier des Micromonteurs, 4, 14-21.


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