Trachyandesite (Q41809): Difference between revisions

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(‎Created a new Item: Added initial named and identified rock item from Mindat)
 
(‎Cleared an Item: Added to primary parent rock class as subclass)
Property / subclass of
 
Property / subclass of: trachytoid / rank
 
Normal rank
Property / subclass of: trachytoid / reference
 

Revision as of 17:53, 21 April 2023

A fine grained, usually extrusive, alkaline/basic rocktype intermediate between basaltic andesite and phonolite, difficult to define without chemistry on the TAS diagram
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English
Trachyandesite
A fine grained, usually extrusive, alkaline/basic rocktype intermediate between basaltic andesite and phonolite, difficult to define without chemistry on the TAS diagram

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