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Total alkali-silica diagram

December 4, 2021

The total alkali-silica (TAS) diagram is a scatterplot of the chemical concentrations of silica oxide (SiO2) versus total alkali-sodium oxide (Na2O) plus potassium oxide (K2O) – in volcanic rocks.

Publication Year 2021
Title Total alkali-silica diagram
DOI 10.1007/978-3-030-26050-7_330-1
Authors Ricardo A. Olea
Publication Type Book Chapter
Publication Subtype Book Chapter
Index ID 70226500
Record Source USGS Publications Warehouse
USGS Organization Geology, Energy & Minerals Science Center