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Basaltandesit
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Basaltandesit (auch Basaltischer Andesit) ist ein vulkanisches Gestein aus der Familie der Andesite.
Contents
β’ Zusammensetzung
β’ Vorkommen
β’ Siehe auch
β’ Literatur
β’ Weblinks
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Zusammensetzung
In der schwarzen Grundmasse gibt es sichtbare Kristalle aus Plagioklas, Olivine und Augit. Im TAS-Diagramm ist es im Feld O1 angesiedelt und gehΓΆrt mit einem Anteil von 52 bis 57 Gew% SiO2 zu den intermediΓ€ren Gesteinen.
Vorkommen
β’ Hegau oder am Donnersberg in Deutschland
β’ VolcΓ‘n de Agua in Guatemala
β’ Dekkan-Trapp in Indien
Siehe auch
Literatur
β’ Roger Walter Le Maitre (Hrsg.): Igneous Rocks. A Classification and Glossary of Terms. Cambridge University Press, Cambridge 2002, ISBN 0-521-61948-3, S. 61.
Weblinks
β’ Vorkommen beim Mineralienatlas
Einzelnachweise
cite-note-11. β Bill Hirt: Geology of Mount Shasta, Figure 5b: Hand sample and thin section photographs of a magnesium-rich basaltic andesite from Deer Mountain. 2001 (Memento vom 14. Juni 2011 im Internet Archive)