Exam 5: Rocks Fossils and Time Making Sense of the Geologic Record
Exam 1: The Dynamic and Evolving Earth70 Questions
Exam 2: Minerals and Rocks70 Questions
Exam 3: Plate Tectonics: a Unifying Theory70 Questions
Exam 4: Geologic Time Concepts and Principles70 Questions
Exam 5: Rocks Fossils and Time Making Sense of the Geologic Record70 Questions
Exam 6: Sedimentary Rocks the Archives of Earth History70 Questions
Exam 7: Evolution the Theory and Its Supporting Evidence70 Questions
Exam 8: Precambrian Earth and Life History the Hadean and the Archean Eon70 Questions
Exam 9: Precambrian Earth and Life History the Proterozoic Eon70 Questions
Exam 10: Early Paleozoic Earth History70 Questions
Exam 11: Late Paleozoic Earth History70 Questions
Exam 12: Paleozoic Life History Invertebrates70 Questions
Exam 13: Paleozoic Life History Vertebrates and Plants70 Questions
Exam 14: Mesozoic Earth History70 Questions
Exam 15: Life of the Mesozoic Era70 Questions
Exam 16: Cenozoic Earth History the Paleogene and Neogene Periods70 Questions
Exam 17: Cenozoic Earth History the Quaternary Period70 Questions
Exam 18: Life of the Cenozoic Era70 Questions
Exam 19: Primate and Human Evolution70 Questions
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The ____________________ ____________________ provides evidence for physical and biological events of Earth's history.
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(Short Answer)
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geologic record
____________________ provide the only record of prehistoric life.
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(Short Answer)
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Fossils
Two layers of limestone are found 200 kilometers apart. Give two lines of evidence that could show the layers are correlated.
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(Essay)
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Correct Answer:
1. The rocks have similar lithological characteristics. (color, grain-size, angularity, sorting, and composition for the advanced student)
2. The same fossils are present in each layer indicating they are time correlated.
3. The sequence of rocks above and below each layer is identical to the sequence above and below the other layer.
Discuss William Smith's principle of fossil succession. Why is this principle important in relative geologic dating?
(Essay)
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Stratigraphy is irrelevant when examining relationships among metamorphic and igneous rocks.
(True/False)
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Lithostratigraphic properties yield stronger time correlations than biostratigraphic properties.
(True/False)
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Organisms in terrestrial environment have a better chance of being preserved as fossils.
(True/False)
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Why is the statement, "The Jurassic system lasted from 200-146 million years ago," incorrect? How would you correct it? In your explanation, be sure to distinguish between time-stratigraphic units and time units.
(Essay)
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Radiometrically dating a muscovite grain in a sandstone would give ____.
(Multiple Choice)
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A body of strata recognized on the basis of its fossil assemblage is a(n) ____________________ unit.
(Short Answer)
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Fossils that are easy to identify, widespread, and existed for a short time geologically are called ____________________.
(Short Answer)
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Although igneous rocks are the easiest to date radiometrically, most fossils are preserved in sedimentary rocks.
(True/False)
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What would occur if all of the ice on Greenland and Antarctica melted?
(Multiple Choice)
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Preserved records of prehistoric organic activity such as tracks, trails, burrows, and nests are called ____.
(Multiple Choice)
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A body of sediment with distinctive physical, chemical, and biological properties is a facies.
(True/False)
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The rock layers in the Grand Canyon were deposited during marine transgressions and regressions.
(True/False)
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The period of time not represented by strata in an unconformity is a hiatus.
(True/False)
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When the remains of a buried organism dissolve and leave a cavity, the resulting structure is called a(n) ____________________.
(Short Answer)
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