EAPS 112 Chapter 14 Pre/Post Test
Questions & Answers 2023/2024
What geologic event is responsible for creating the gold that made prospectors rush to California in the
late 1840s? - ANSWER-emplacement of plutons during the Nevadan Orogeny
The richest uranium-bearing Mesozoic rocks in North America are found in the ________ United States
and are associated with the complex mineral ________ . - ANSWER-western; carnotite
The Cordilleran orogenies, from oldest to youngest, are ________ . - ANSWER-Nevadan, Sevier, and
Laramide
Pangaea's breakup began with rifting between Laurasia and ________ during the ________ . - ANSWER-
Gondwana; Triassic
Cretaceous sea level rose in response to ________ . - ANSWER-an increased rate of seafloor spreading
Which statement best describes ocean circulation at the end of the Mesozoic? - ANSWER-highly complex
as a result of the breakup of Pangaea
Widespread Triassic evaporites, red beds, and dune sands indicate that ________ regions existed in the
low and middle latitudes of North and South America, Europe, and Africa. In comparison, Triassic coal
deposits found at high latitudes indicate ________ conditions. - ANSWER-arid; humid
The Franciscan Complex consists of ________ rocks that were formed by ________ of the Farallon Plate
under the North American Plate. - ANSWER-marine; subduction
Which event listed happened last (i.e., most recently) in the breakup of Pangaea? - ANSWER-Europe and
Africa began to converge.
Cordilleran tectonics during the Mesozoic and Cenozoic were controlled by ________ . - ANSWER-
subduction zone between North America and the Farallon Plate
Questions & Answers 2023/2024
What geologic event is responsible for creating the gold that made prospectors rush to California in the
late 1840s? - ANSWER-emplacement of plutons during the Nevadan Orogeny
The richest uranium-bearing Mesozoic rocks in North America are found in the ________ United States
and are associated with the complex mineral ________ . - ANSWER-western; carnotite
The Cordilleran orogenies, from oldest to youngest, are ________ . - ANSWER-Nevadan, Sevier, and
Laramide
Pangaea's breakup began with rifting between Laurasia and ________ during the ________ . - ANSWER-
Gondwana; Triassic
Cretaceous sea level rose in response to ________ . - ANSWER-an increased rate of seafloor spreading
Which statement best describes ocean circulation at the end of the Mesozoic? - ANSWER-highly complex
as a result of the breakup of Pangaea
Widespread Triassic evaporites, red beds, and dune sands indicate that ________ regions existed in the
low and middle latitudes of North and South America, Europe, and Africa. In comparison, Triassic coal
deposits found at high latitudes indicate ________ conditions. - ANSWER-arid; humid
The Franciscan Complex consists of ________ rocks that were formed by ________ of the Farallon Plate
under the North American Plate. - ANSWER-marine; subduction
Which event listed happened last (i.e., most recently) in the breakup of Pangaea? - ANSWER-Europe and
Africa began to converge.
Cordilleran tectonics during the Mesozoic and Cenozoic were controlled by ________ . - ANSWER-
subduction zone between North America and the Farallon Plate
