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单词 Fiamme
释义

Fiamme

英语百科

Fiamme

Fiamme in the Resting Spring Tuff near Shoshone, California.
Rocks from the Bishop tuff, uncompressed with pumice on left; compressed with fiamme on right.

Fiamme are lens-shapes, usually millimetres to centimetres in size, seen on surfaces of some volcaniclastic rocks. They can occur in welded pyroclastic fall deposits and in ignimbrites, which are the deposits of pumiceous pyroclastic density currents. The name fiamme comes from the Italian word for flames, describing their shape. The term is descriptive and non-genetic.

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