Metasomatite?

Rock type: 
Unknown
Submitted 4 years 5 months ago by rock.

Sample 075. Composition - plagioclase up to 80%, reddish-brown mineral - up to 20%, hornblende - less than 1%. 

Comments

Add new comment

More information about text formats
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.