Tuff

Tuff

Jesse Russell Ronald Cohn

     

бумажная книга

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ISBN: 978-5-5125-9665-4

High Quality Content by WIKIPEDIA articles! Tuff (from the Italian tufo) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. Rock that contains greater than 50% tuff is considered tuffaceous.

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