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La Clarte Granite

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Journal Article
Published: 01 January 2018
European Journal of Mineralogy (2018) 30 (1): 171–176.
... granite quarry, La Clarté, Perros-Guirec, Ploumanac'h granitic complex, Brittany, France. The empirical formula derived from electron microprobe analysis and single-crystal structure refinement is: A( N a 0.29 K 0.08 ) Σ=0.37 B ( C a 1.69 F e 0.11 2 + M n 0.02 2 + N a 0.18 ) Σ=2.00 C ( F e 1.84 2 + M g...
FIGURES
Journal Article
Published: 01 June 2017
European Journal of Mineralogy (2017) 29 (3): 529–533.
... (OH) 2 Granite quarries, La Clarté, Perros-Guirec, Ploumanac’h Granitic Complex, Bretagne, France (48°48′50″N, 3°28′50″W) Roberta Oberti*, Massimo Boiocchi, Frank C. Hawthorne and Marco E. Ciriotti *E-mail: oberti@crystal.unipv.it Amphibole supergroup Monoclinic: space group C 2/ m...
Journal Article
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 737–742.
... Granite quarries, La Clarté, Perros-Guirec, Ploumanac'h Granitic Complex, Bretagne, France (48°48′50″N, 3°28′50″W) Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 4976/1 How to cite: Kasatkin, A.V...
Journal Article
Published: 01 April 1984
Earth Sciences History (1984) 3 (1): 44–53.
... à l’étude minéralogique fine des laves et tufs volcaniques (mais la motivation principale pouvait être de reprendre l’oeuvre inachevée de Dolomieu). Le grand mémoire de 1815 (1816), long de 87 pages, donne beaucoup de résultats qu’on ne peut tous récapituler ici. L’auteur en dégage avec clarté le...
Journal Article
Published: 13 February 2018
Canadian Journal of Earth Sciences (2018) 55 (4): 406–435.
... précambrienne dans le cœur du dôme Frenchman Cap du Complexe de Monashee, basée sur des âges discordants obtenus par ID-TIMS sur les granites de la Suite de Bourne ( Crowley 1999 ), a été remise en question par les âges éocènes obtenus par la méthode de sonde ionique de très haute résolution spatiale (SHRIMP...
FIGURES | View All (12)
Journal Article
Published: 01 December 2018
American Mineralogist (2018) 103 (12): 2036–2048.
...-tschermakite (IMA 2016-116), ideally A ☐ B Ca 2 C (Mg 3 Al 2 ) T (Si 6 Al 2 )O 22 W (OH) 2 , monoclinic, is a newly characterized member of the calcium amphibole group ( Hawthorne et al. 2012 ), coming from the dump of the Bâtiment et Granit de Ploumanac'h northern granite quarry, La Clarté, Perros-Guirec...