Classification |
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Species: | 'Biotite' (not an IMA approved species) |
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Biotite data |
Locality Data: | Click here to view Pointe du Van, Cléden-Cap-Sizun, Quimper, Finistère, Brittany, France |
Data Identifiers |
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Mindat Occurrence Record ID: | 1220710 |
Long-form Identifier: | 1:3:1220710:1 |
GUID (UUID V4): | 0ef0dd04-1f71-43b0-a72a-8111910505d9 |
Nearest other occurrences of Biotite |
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3.0km (1.8 miles) | ⓘBestrée, Pointe du Raz, Plogoff, Quimper, Finistère, Brittany, France |
3.1km (1.9 miles) | ⓘPointe du Raz, Plogoff, Quimper, Finistère, Brittany, France |
4.2km (2.6 miles) | ⓘFeunteun Aod Point, Plogoff, Quimper, Finistère, Brittany, France |
10.2km (6.3 miles) | ⓘNerroth island, Sein Island, Quimper, Finistère, Brittany, France |
12.1km (7.5 miles) | ⓘPlas ar Skoul, Sein Island, Quimper, Finistère, Brittany, France |
32.3km (20.1 miles) | ⓘTrégana beach alluvials, Trégana, Locmaria-Plouzané, Brest, Finistère, Brittany, France |
34.3km (21.3 miles) | ⓘBlancs Sablons beach alluvials, Le Conquet, Brest, Finistère, Brittany, France |
40.0km (24.9 miles) | ⓘRuscumunoc beach alluvial deposits, Ruscumunoc, Plouarzel, Brest, Finistère, Brittany, France |
45.4km (28.2 miles) | ⓘRocher du Crapaud beach alluvials, Lanildut, Brest, Finistère, Brittany, France |
50.2km (31.2 miles) | ⓘPenn ar Roc'h - Porz an Ejen area, Ushant, Brest, Finistère, Brittany, France |
References |
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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. 6. |
Reference Search (possible matching items) |
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| | Book | Geology in France and Related Areas (1994) J. D. Keppie (Ed.) Pre-Mesozoic Geology in France and Related...Cataloging-in-Publication Data. Pre-Mesozoic geology in France and related areas / J. D. Keppie (ed.). p.cm.Developed...2. Geology, Stratigraphic-Paleozoic. 3. Geology-France.!. Keppie, J. Duncan. II. IGCP Project 233-Terranes...comprehensive account of the PreMesozoic Geology of France (Armorican and Central Massifs) and related areas...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |
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