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2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 1/7 Multiple Choice Questions Sedimentary Rocks - Chapter 6 Each chapter will include a few questions designed to test your knowledge of material covered in the chapter and in the Internet-based resources. Your answers are not being recorded. Try the following. 1. Shale refers to a rock formed from: sand sized material plant remains clay minerals carbonate 2. Which one of the following is a biochemical sedimentary rock? sand sized material coal shale conglomerate 3. A clastic rock is: a rock formed from the cementation of transported grains a rock formed from evaporation of sea water transformed by heat into limestone transformed by pressure into limestone 4. Which one of the following features is NOT associated with sedimentary rocks? bedding foliation fossils all may be associated with sedimentary rocks 5. Which of the following types of sediments are most abundant? coarse clastics fine clastics chemical biochemical 6. The tendency for variations in current velocity to segregate sediments on the basis of particle size is called _____. lilthification compaction metamorphism sorting 7. Which of the following types of currents can transport sand grains? rivers wind

2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 2/7 ocean waves all of these 8. In which of the following sedimentary environments would you expect the sand deposits to be poorly sorted? alluvial beach desert glacial 9. Which of the following environments is an example of a shoreline/transitional environment? alluvial continental shelf deltaic organic reef 10. Most shells of marine organisms are composed of ________ . silica calcium carbonate calcium phosphate calcium sulfate 11. Coarse clastic material can be transported into a deep marine environment by ______ . rivers wind turbidity currents all of these 12. Marine sediments deposited in water depths greater than about 12,000 feet usually lack ________ . carbonate shells silica-rich shells fine grained material transported by the wind all of these 13. In which of the following environments would you expect to find oscillation ripples? alluvial beach deep-sea desert 14. Which of the following processes is not an important cause of subsidence during the development of a sedimentary basin? cooling and contraction of the crust deposition of sediments erosion of sediments tectonic down faulting

2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 3/7 15. Which of the following lists is written in order of decreasing particle size? sandstone, siltstone, conglomerate sandstone, conglomerate, siltstone conglomerate, sandstone, siltstone siltstone, sandstone, conglomerate 16. What is the difference between a breccia and a conglomerate? breccias are coarse grained and conglomerates are fine grained conglomerates are coarse grained and breccias are fine grained breccias have rounded fragments and conglomerates have angular fragments breccias have angular fragments and conglomerates have rounded fragments 17. A feldspar-rich sandstone is called a(n) ________ . arkose litharenite quartz arenite shale 18. A sandstone with abundant rock fragments and clay minerals is a(n) ______ . arkose litharenite quartz arenite shale 19. Which of the following rocks is deposited only by non-biological, chemical precipitation ? halite limestone chert arenite coal 20. The most common lithification process for fine clastics is _______ . cementation compaction 21. Which of the following lists is written in the order of increasing temperature ? sedimentation, metamorphism, diagenesis diagenesis, sedimentation, metamorphism sedimentation, diagenesis, metamorphism metamorphism, diagenesis, sedimentation 22. Which of the following processes does not occur during diagenesis? compaction cementation

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2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 4/7 lithification metamorphism 23. The term "aeolian" refers to transport and deposition by: the wind streams ocean waves pocket gophers 24. With time, sediment transported by glaciers ___________. becomes rounded becomes smaller becomes rounded and smaller none of these 25. WIth time, sediment transported by a fluvial system ___________. becomes rounded becomes smaller becomes rounded and smaller none of these 26. Which of the sand grains above has been transported the furthest? 1 2 3 4 27. Coal is formed from ______. natural gas oil limestone preserved plant material 28. In which of the following sedimentary environments would you least expect to find gravel? active margin beach alluvial fans glacial deep marine 29. Which of the following sedimentary environments is characterized by sand, gravel and mud?

2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 5/7 active margin beach alluvial fans glacial deep marine 30. Which of the following sedimentary environments is dominated by waves and tidal currents? glacial alluvial fans deltaic deep marine 31. Siliceous environments, named for the silica-rich shells deposited in them, occur ________. in an evaporite environment in a swamp environment in a reef environment in a deep-sea environment 32. In the cross section of a sand dune given above, the wind was blowing? <------- --------> <-------> cannot determine direction from information given. 33. In the cross section of a sand dune given above, the diagonal layers are called_____. cross beds graded beds point bars ripple marks. 34. What is the most abundant biochemical precipitate in the oceans? halite limestone chert coal 35. Ripples occur: on sand beneath the waves at beaches on underwater sandbars in streams on the surface of windswept dunes all of these can have ripples

2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 6/7 36. In which of the following environments would you expect to find symmetrical ripples? alluvial beach deep-sea desert 37. What is the approximate temperature of a sediment that is buried to a depth of 3 km? 0 degrees C 100 degrees C 300 degrees C 1000 degrees C 38. Which of the following processes occurs during lithification? recrystallization compaction cementation all may occur 39. Which of the following is an example of a physical, as opposed to a chemical, diagenetic process? recrystallization compaction cementation all are physical in nature 40. What is the porosity of newly deposited mud? less than 5% between 5% and 25% between 25% and 50% > 50% 41. Which of the following groups represent the most abundant sedimentary rocks? limestones and dolomites sandstones and conglomerates cherts and evaporites mudstones and shales 42. What type of sandstone is depicted in the illustration above?

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2/11/24, 6:58 PM Multiple choice https://www.uh.edu/~jbutler/physical/chap7mult.html 7/7 quartz arenite litharenite arkose this is a granite!! 43. Which of the following sandstone types is most likely to form by the mechanical weathering of a granite? quartz arenite litharenite arkose shale 44. Which of the following sandstone types is most likely to form by the mechanical and intense chemical weathering of a granite? quartz arenite litharenite arkose shale Try these fill-in-the blanks Return to the Physical Geology Home Page

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