NIL 发表于 2025-3-23 12:04:07

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anchor 发表于 2025-3-23 17:16:36

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壮丽的去 发表于 2025-3-23 19:33:46

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ungainly 发表于 2025-3-24 00:30:10

Phanerozoic Volcanism of Southwest Uganda: A Case for Regional K and Lile Enrichment of the Lithosphhe ancient fold belts surrounding the nucleus (King 1970). The Southwest Ugandan volcanics are associated with rifted domes which lie on the west side of the East African Plateau and follow the fold belts of the Kibaran (ca. 1300 Ma) and possibly Kibalean (ca. 2500 Ma) ages.

外面 发表于 2025-3-24 05:50:20

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额外的事 发表于 2025-3-24 07:14:45

Ring-Complexes of Ofoud-Type in Aïr, Niger: A new Anorogenic-Type Anorthosite Associationeugueur, Ofoud, Tagueï, Abontorok and Iskou (Fig. 1 A). The proportions of basic rocks vary from complex to complex (Table 1), the highest proportions being found in Abontorok and Ofoud and in the Meugueur-Meugueur ring-dyke. By far the largest area of basic rocks is found in Ofoud.

molest 发表于 2025-3-24 12:51:19

The Chilwa Alkaline Igneous Province of Malawi: A Review intrusive one, in contrast to much of the igneous activity associated with the East African Rift system which, at the present level of exposure, is predominantly extrusive. Thirdly, it was within this province that carbonatites were first recognized in Africa, while ultra-potassic fenites were first described from this area.

爱国者 发表于 2025-3-24 17:34:05

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expdient 发表于 2025-3-24 20:15:28

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字谜游戏 发表于 2025-3-25 00:41:55

Conference proceedings 1991 provides the world‘s best example of the relationship between extensional magmatism and structural setting. This first complete and up-to-date review, written by leading scientists, discusses the evolutionary model and offers a new and reliable basis for scientists working on plate tectonics and ex
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查看完整版本: Titlebook: Magmatism in Extensional Structural Settings; The Phanerozoic Afri A. B. Kampunzu (Faculté des Sciences de Saint-Jérô Conference proceeding