𝔖 Bobbio Scriptorium
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The « two-magma theory » and the origin of ignimbrites

✍ Scribed by M. H. Battey


Book ID
110577004
Publisher
Springer-Verlag
Year
1966
Tongue
English
Weight
786 KB
Volume
29
Category
Article
ISSN
1432-0819

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📜 SIMILAR VOLUMES


The volatile component of quaternary ign
✍ N. F. Rutherford; R. F. Heming 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 961 KB

Ignimbrites from the central North Island consist mainly of glass or its devitrified product (70-95 %); their phenocryst mineralogy is varied and includes plag., hyp., ti-mag., ilm., aug., hblende, blot., san., qtz, ol., with accessory apatite, zircon and pyrrhotite. The Fe-Mg minerals can be used