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EXERCISE 6.9 Gaining Insight into Depositional Environments of Sedimentary Rocks Name: Section: Date: Course: Sedimentary structures, fossils, cements, and other features of sedimentary rocks provide insight into the environment in which the sediment was deposited. Match the letter of each of the sedimentary rocks and features in the left-hand column with an aspect of the depositional environment listed in the right-hand column Rock and/or feature of the rock Aspect of the depositional environment (a) poorly sorted arkose - deposited in a desert dune or in a current (b) contains fossils of intact coral _ formed from sediments accumulated in a swamp (c) red mudstone containing dinosaur footprints - deposited in very quiet (stagnant) water (d) black shale containing some pyrite crystals deposited in an anoxic (oxygen-free) marine setting (e) sandstone containing symmetric ripples -deposited by a swiftly moving stream (f) cross-bedded sandstone – formed from warm-water, shallow marine reef (g) contains >50% carbon and fossil leaves - has not undergone a lot of transport (h) contains large, rounded pebbles and cobbles -immature, deposited close to the source (1) contains fossils of feathers – formed from terrestrial mud (riverbank deposits) (1) very angular grains deposited on a beach

EXERCISE 6.9 Gaining Insight into Depositional Environments of Sedimentary Rocks Name: Section: Date: Course: Sedimentary structures, fossils, cements, and other features of sedimentary rocks provide insight into the environment in which the sediment was deposited. Match the letter of each of the sedimentary rocks and features in the left-hand column with an aspect of the depositional environment listed in the right-hand column Rock and/or feature of the rock Aspect of the depositional environment (a) poorly sorted arkose - deposited in a desert dune or in a current (b) contains fossils of intact coral _ formed from sediments accumulated in a swamp (c) red mudstone containing dinosaur footprints - deposited in very quiet (stagnant) water (d) black shale containing some pyrite crystals deposited in an anoxic (oxygen-free) marine setting (e) sandstone containing symmetric ripples -deposited by a swiftly moving stream (f) cross-bedded sandstone – formed from warm-water, shallow marine reef (g) contains >50% carbon and fossil leaves - has not undergone a lot of transport (h) contains large, rounded pebbles and cobbles -immature, deposited close to the source (1) contains fossils of feathers – formed from terrestrial mud (riverbank deposits) (1) very angular grains deposited on a beach

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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EXERCISE 6.9 Gaining Insight into Depositional Environments of Sedimentary Rocks Name: Section: Course: Date: Sedimentary structures, fossils, cements, and other features of sedimentary rocks provide insight into the environment in which the sediment was deposited. Match the letter of each of the sedimentary rocks and features in the left-hand column with an aspect of the depositional environment listed in the right-hand column Rock and/or feature of the rock Aspect of the depositional environment (a) poorly sorted arkose -deposited in a desert dune or in a current (b) contains fossils of intact coral . formed from sediments accumulated in a swamp (c) red mudstone containing dinosaur footprints deposited in very quiet (stagnant) water - deposited in an anoxic (oxygen-free) marine setting - deposited by a swiftly moving stream (d) black shale containing some pyrite crystals (e) sandstone containing symmetric ripples (f) cross-bedded sandstone - formed from warm-water, shallow marine reef (g) contains >50% carbon and fossil leaves - has not undergone a lot of transport (h) contains large, rounded pebbles and cobbles Limmature, deposited close to the source (1) contains fossils of feathers formed from terrestrial mud (riverbank deposits) (1) very angular grains - deposited on a beach 6.7 Fossils: Remnants of Past Life Fossils are the remains or traces of animals and plants that are preserved in rocks, and are the subject of a major branch of geology called paleontology. Fossils record the history of life on the Earth and, as discussed elsewhere in this book, provide clues to the age of strata. We mention them briefly here because (1) fossils are essentially a special kind of sedimentary structure, and (2) most fossils are found in sedimentary rocks because the organisms lived (or died) in the environments in which sedimentary rocks were deposited. Because different kinds of organisms live in different environments, fossils are clues to the depositional environment of the sedimentary rock in which they are found Applving the nrinciple of uniformitarianiem we can deduce that sedimente
Transcribed Image Text:EXERCISE 6.9 Gaining Insight into Depositional Environments of Sedimentary Rocks Name: Section: Course: Date: Sedimentary structures, fossils, cements, and other features of sedimentary rocks provide insight into the environment in which the sediment was deposited. Match the letter of each of the sedimentary rocks and features in the left-hand column with an aspect of the depositional environment listed in the right-hand column Rock and/or feature of the rock Aspect of the depositional environment (a) poorly sorted arkose -deposited in a desert dune or in a current (b) contains fossils of intact coral . formed from sediments accumulated in a swamp (c) red mudstone containing dinosaur footprints deposited in very quiet (stagnant) water - deposited in an anoxic (oxygen-free) marine setting - deposited by a swiftly moving stream (d) black shale containing some pyrite crystals (e) sandstone containing symmetric ripples (f) cross-bedded sandstone - formed from warm-water, shallow marine reef (g) contains >50% carbon and fossil leaves - has not undergone a lot of transport (h) contains large, rounded pebbles and cobbles Limmature, deposited close to the source (1) contains fossils of feathers formed from terrestrial mud (riverbank deposits) (1) very angular grains - deposited on a beach 6.7 Fossils: Remnants of Past Life Fossils are the remains or traces of animals and plants that are preserved in rocks, and are the subject of a major branch of geology called paleontology. Fossils record the history of life on the Earth and, as discussed elsewhere in this book, provide clues to the age of strata. We mention them briefly here because (1) fossils are essentially a special kind of sedimentary structure, and (2) most fossils are found in sedimentary rocks because the organisms lived (or died) in the environments in which sedimentary rocks were deposited. Because different kinds of organisms live in different environments, fossils are clues to the depositional environment of the sedimentary rock in which they are found Applving the nrinciple of uniformitarianiem we can deduce that sedimente
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