Igneous rocks formed of igneous debris blown out of a volcano are called pegmatites.
1. True 2. False
"Dry"magmas contain no volatiles; "wet"magmas contain up to 50% of the volatile, water.
1. True 2. False
The sequence of mineral production that takes place in a cooling magma, called Bowen's reaction series, is an example of the process called stopping.
1. True 2. False
"Tuff" and "breccia" are both fragmental igneous rock.
1. True 2. False