Locality type: | Intrusion |
Classification |
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Species: | 'Plagioclase' (not an IMA approved species) |
Formula: | (Na,Ca)[(Si,Al)AlSi2]O8 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Plagioclase data |
Locality Data: | Click here to view Abontorok Intrusion, Arlit, Agadez, Niger |
Data Identifiers |
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Mindat Occurrence Record ID: | 1433081 |
Long-form Identifier: | 1:3:1433081:0 |
GUID (UUID V4): | b5296d90-d853-40ab-8fe3-d0befaab6798 |
Nearest other occurrences of Plagioclase |
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46.2km (28.7 miles) | ⓘIskou ring complex, Aïr Mountains, Agadez, Niger |
50.2km (31.2 miles) | ⓘOfoud Complex, Arlit, Agadez, Niger |
64.0km (39.8 miles) | ⓘTaguei Complex, Arlit, Agadez, Niger |
79.2km (49.2 miles) | ⓘTodra and Tin Taralle Volcanic Field, Agadez, Niger |
References |
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Reference Search (possible matching items) |
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| Demaiffe, Daniel, Moreau, Christian, Brown, William L., Weis, Dominique (1991) Geochemical and isotopic (Sr, Nd and Pb) evidence on the origin of the anorthosite-bearing anorogenic complexes of the Aïr Province, Niger. Earth and Planetary Science Letters, 105 (1) 28-46 doi:10.1016/0012-821x(91)90118-2 | Journal (article/letter/editorial) | anorthosite-bearing anorogenic complexes of the Air Province, Niger * D a n i e l D e m a i f f e a, C h r i s t i a...in central Air. The leucogabbroic rocks are plagioclase cumulates, whereas troctolites and melatroctolites...Meugueur-Meugueur ring dyke are olivine cumulates. The plagioclase cumulates are strongly laminated but generally...leucogabbroic rocks, calculated assuming ages for each intrusion based on whole rock isochrons for felsic rocks.... Although there is a spread in values, each intrusion has a distinct isotopic signature, Bous and the |
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