Earth Science 13th Edition solutions

Earth Science 13
Refer to Figure 11.5 and answer the following questions. Briefly explain each answer. a. Is fault A older or younger than the sandstone layer? b. Is dike A older or younger than the sandstone layer? c. Was the conglomerate deposited before or after fault A? d. Was the conglomerate deposited before or

Earth Science 13
A mass of granite is in contact with a layer of sandstone. Using a principle described in this chapter, explain how you might determine whether the sandstone was deposited on top of the granite or whether the magma that formed the granite was intruded after the sandstone was deposited.

Earth Science 13
If a radioactive isotope of thorium (atomic number 90, mass number 232) emits six alpha particles and four beta particles during the course of radioactive decay, what is the atomic number and mass number of the stable daughter product?

Earth Science 13
A hypothetical radioactive isotope has a half-life of 10,000 years. If the ratio of radioactive parent to stable daughter product is 1:3, how old is the rock containing the radioactive material?

Earth Science 13
Solve the problems below. To make calculations easier, round the age of Earth to 5 billion years. a. What percentage of geologic time is represented by recorded history? (Assume 5,000 years for the length of recorded history.) b. Human-like ancestors (hominids) have been around for roughly 5 million

Earth Science 13
The accompanying block diagram depicts a hypothetical area in the American Southwest. Place the lettered features in the proper sequence, from oldest to youngest. Identify an angular unconformity and a nonconformity