Multiple Choice
Stoping is the process in which ____.
A) pyroclastic flows are tranformed into obsidian
B) rising magma detaches and engulfs pieces of country rock
C) the viscosity of magma changes due to changes in silica content
D) dikes are formed due to intense heat in the country rock
E) erosion exposes batholiths
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The two main categories of igneous rocks
Q2: A(n)_ pluton has boundaries that parallel the
Q3: Pyroclastic igneous rock forms from _.<br>A)explosive volcanic
Q5: Distinguish between rhyolite tuff and welded tuff.
Q6: Partial melting of oceanic crust and silica-rich
Q7: An igneous rock with no visible crystals
Q8: Most igneous rocks are classified as either
Q9: Although all compositions are represented, most plutons
Q10: Batholiths are large plutonic bodies produced by
Q11: One example of a vesicular felsic rock