Concept information
Preferred term
trachyte
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Broader concept
Narrower concepts
Definitions
- A group of fine-grained, generally porphyritic, extrusive igneous rocks having alkali feldspar and minor mafic minerals as the main components, and possibly a small amount of sodic plagioclase.
Obsolete
- false
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT03024
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