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vodka [1.7K]
3 years ago
9

What is the definition of andesitic composition ?

Biology
2 answers:
IceJOKER [234]3 years ago
5 0
<em><u>Andesite:</u></em> 
<em>Is an extrusive igneous, volcanic rock, of intermediate composition, with anphanitic to porphyritic texture. In a general sence, it is the intermediate type between basalt and decite  and ranges from 57  to 63% silicon dioxide as illustrated inTAS diagrams.</em>
zhuklara [117]3 years ago
4 0
Andesite can composition is a rock composed essentially of plagioclase feldspar and one or more mafic minerals, as hornblende or biotite.
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