Flashcards in Chapter 30&31 Questions Deck (17)
What are the three types of rock?
Igneous, sedimentary, metamorphic
What are the 3 types of volcanoes?
Shield cones, cinder cones, composite cones
What are the clastic sedimentary rocks?
Shale, sandstone, conglomerate
What are the three types of foliated metamorphic rock?
Slate, schist, gneiss
What are the types of nonfoliated metamorphic rocks?
What created the rock cycle?
Weathering, erosion, deposition, and metamorphism
Silver has a density of 10.5 g/cm 3. What is its specific gravity?
What is the relationship between density and specific gravity?
They are equal.
What are the two most abundant elements in the earths crust?
What are the two most abundant minerals in the earths crust?
What is partial melting?
The incomplete melting of rocks, resulting in magma a of different compositions.
What are the two most common igneous rocks and where do they generally occur?
Granite and andestite in the continents. Basalt on the ocean floor.
What percentage of the earths crust is composed of igneous rock?
What volcanoes produces the most violent and quietest eruptions?
What are three common types of plutons?
Dike, sill, batholiths, laccoliths
What type of rock is made of pre existing rock whose formation does not involve high temperatures and pressure?
Clastic sedimentary rock