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Volcanoes of Mozambique : ウィキペディア英語版 | Volcanoes of Mozambique
Monte Muambe is volcanic caldera located south-east of Moatize in Tete Province of Mozambique Morphologically, Monte Muambe is ring-shaped feature, composed of Karroo sandstones which rise from peneplain plateau at altitude between 250 m in the south and 300 m in the north. The rim of the caldera forms well-developed circular ridge of altered and indurated Karroo sandstones (gritstones) rising approximately 500 m above the plain of unaltered Karroo sediments. Due to hardness of altered Karroo sediments, after continuous, long-time erosion, Monte Muambe at present is well-developed circular ridge (caldera), basin-shaped, steep-sided and crater-like depression inside. The core of the circular structure is 200 m lower from its periphery. == Geology of adjacent area ==
The region of Monte Muambe is situated on southern margin of the Tete gabbro-diorite complex of Precambrian ages, in a depression filled in Mesozoik by sediments and volcanic activity products of the Karroo System.
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