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Magmatic evolution of the Heiðarsporður ridge, NE-Iceland

✍ Scribed by Kristján Jónasson


Book ID
113769590
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
393 KB
Volume
147
Category
Article
ISSN
0377-0273

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Magmatic evolution of Hekla, Iceland
✍ W. Scott Baldridge; Thomas R. McGetchin; Fred A. Frey; E. Jarosewich 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 837 KB

The extrusive rocks of ttekla are predominantly flows of basaltic andesite and andesite (ioelandite) but each eruptive cycle is initiated by production of tephra of andesitie, dacitie, and even rhyolitic composition. The evolution of basaltic andesites to dacites and rhyolites can be explained by cr