Locality type: | Pegmatite |
Classification |
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Species: | Muscovite |
Formula: | KAl2(AlSi3O10)(OH)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Muscovite data |
Locality Data: | Click here to view Ampandramaika pegmatite, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar |
Data Identifiers |
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Mindat Occurrence Record ID: | 274857 |
Long-form Identifier: | 1:3:274857:3 |
GUID (UUID V4): | 042243ec-2fdd-4130-b8f1-94f7135e7d63 |
Nearest other occurrences of Muscovite |
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8.6km (5.4 miles) | ⓘMarivolanitra pegmatite, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascar |
21.6km (13.4 miles) | ⓘMalakialina pegmatite, Fitampito, Ikalamavony District, Haute Matsiatra, Madagascar |
22.1km (13.7 miles) | ⓘBelobaka, Fitampito, Ikalamavony District, Haute Matsiatra, Madagascar |
24.7km (15.3 miles) | ⓘBemasoandro pegmatite, Fitampito, Ikalamavony District, Haute Matsiatra, Madagascar |
81.6km (50.7 miles) | ⓘTsiambenana Quarry, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar |
98.8km (61.4 miles) | ⓘVohitrakanga pegmatite, Andrembesoa, Betafo District, Vakinankaratra, Madagascar |
References |
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Reference Search (possible matching items) |
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| | Book | and structure of the Moine Schists in the Morar district, western Inverness-shire. Abstract. Proc. geol...the sedimentary-volcanic sequences in the Kenema district of Sierra Leone reach the amphibolite and granulite...pegmatites cutting ‘basement’ gneisses have given muscovite Rb-Sr ages of 1900-1950 m.y. (Vachette, 1964c)...ages of 1850-2050 m.y. have been obtained for pegmatite minerals (Cahen, 1961, p. 546; Cahen and Snelling...than 2700 m.y. Rb-Sr ages of 20002100 m.y. for muscovite and microcline from schists and pegmatites respectively |
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