VOLCANOES PLUTONS AND IGNEOUS ROCKS COMPREHENSIVE EXAM STUDY GUIDE COMPLETE QUESTIONS AND SOLUTIONS

VOLCANOES PLUTONS AND IGNEOUS
ROCKS COMPREHENSIVE EXAM STUDY
GUIDE COMPLETE QUESTIONS AND
SOLUTIONS

●● What can igneous rocks be formed of?
Answer: magma


●● How do extrusive igneous rocks form?
Answer: cooling of molten magma


●● intrusive rocks have a ____________ texture?
Answer: coarse


●● igneous rock...
Answer: rock formed by cooling magma


●● Igneous rocks that have high amounts of silica are...
Answer: light in color


●● magma that cools slowly forms with

,Answer: large crystals


●● what type is this volcano? (large and flat picture)
Answer: shield volcano


●● what type of volcano is this? (tall and straight)
Answer: strato


●● what materials are given out from a volcano?
Answer: ash, bombs, psyplasmic material


●● What type of volcanic material is this? (black, glassy)
Answer: obsidian


●● what is lahar?
Answer: volcanic mudflows created when water and ash mix


●● what is pyroclastic flow?
Answer: a dense, destructive mass of very hot ash and fast


●● Where is Mt. Vesuvius?
Answer: Italy

, ●● Where is mt. st. helen located?
Answer: Washington


●● what are distinctive types of volcanoes?
Answer: shield, cinder, and strato


●● do volcanoes exist on other planets?
Answer: true, yes


●● metamorphic rocks are formed by....
Answer: heat and pressure


●● Metamorphic changes are due to variations in:
Answer: temperature, pressure, tectonic stresses, amount of reactive
water


●● limestone changes to...
Answer: marble


●● what are the two types of metamorphic rocks?
Answer: Foliated and nonfoliated.