Problem 17
In general, what happens to temperature as depth below Earth's surface increases?
Problem 17
Which of the following is an example of a detrital sedimentary rock? A) limestone C) breccia B) evaporite D) chalk
Problem 18
What is molten material at Earth's surface called? A) limestone C) breccia B) lava D) granite
Problem 19
Which of these is an organic sedimentary rock? A) coquina C) rock salt B) sandstone D) conglomerate
Problem 20
Explain how loose sediment can become sedimentary rock.
Problem 20
Granite, pumice, and scoria are igneous rocks. Why doesn't granite have airholes like the other two?
Problem 21
Why does pressure increase with depth in Earth? How does higher pressure affect rocks?
Problem 22
Would you expect quartzite or sandstone to break more easily? Explain your answer.
Problem 22
Why is slate sometimes used as shingles for roofs? What other rocks are used for important purposes in society?
Problem 23
How are organic sedimentary rocks different from other rocks? List an example of an organic sedimentary rock.