Reference no: EM133206796 , Length: Word count: 2 Pages
Question 1: How are granite and rhyolite different? How are they alike?
Question 2: What is the origin of vesicles in a basalt?
Question 3: How are basalt and andesite different? How are they alike?
Question 4: Which of the rock types in question # 3 (basalt and andesite) would be most likely to form a sill? Which would be most likely to form a laccolith? Why?
Question 5: What minerals are likely to form phenocrysts in a basalt? Why?
Question 6: Granites may be pink, red, or various shades of gray and have various grain sizes. What characteristics are typical of all granites and distinguish granites from other rock types?
Question 7: What igneous rock is most abundant in the upper oceanic crust?
Question 8: Why are rocks classified on the basis of texture and composition instead of size, shape, and color?
Question 9: What igneous rock types form in a mountain belt? Why are these rocks different from those formed at the oceanic ridge?