Difference between Ultramafic composition and Intermediate (or andesitic) composition?
What should I do when someone ask me such question?
0%
1 reply
lilylily
almost 13 years ago
<!-- br {mso-data-placement:same-cell;} --> Intermediate (or andesitic) composition
Contains 25% or more dark silicate minerals
Associated with explosive volcanic activity
Ultramafic composition
Rare composition that is high in magnesium and iron
Composed entirely of ferromagnesian silicates. Source: http://in.docsity.com/en-docs/Igneous_Rocks_-_Dynamic_Earth_-_Lecture_Notes_
Contains 25% or more dark silicate minerals
Associated with explosive volcanic activity
Ultramafic composition
Rare composition that is high in magnesium and iron
Composed entirely of ferromagnesian silicates. Source: http://in.docsity.com/en-docs/Igneous_Rocks_-_Dynamic_Earth_-_Lecture_Notes_
to see other 0 answers
Related documents
Search questions by subject