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Sedimentary Rocks Quiz
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Multiple Choice Questions
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A cherty limestone would most likely contain which major constituents?
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Silica and calcite
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quartz (SiO2)
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Limestones
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Iron oxide
For which of the following sediments does compaction play an important role?
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Limestones
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mud
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Shale
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Mud cracks
What is the most common type of chemical sedimentary rock?
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Limestone
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Travertine
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CaMg(CO3)2
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Limestones
What type of sandstone contains abundant feldspar?
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Iron oxide
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Limestone
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Shale
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Arkose
Which of the following sedimentary features would typically be found in shales but not in sandstones?
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Travertine
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Conglomerate
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Limestones
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Mud cracks
What is the main difference between a conglomerate and a sedimentary breccia?
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CaMg(CO3)2
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Breccia clasts are angular; conglomerate clasts are rounded.
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All are transported as dissolved ions and then deposited by evaporation.
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a sandstone with sand grains embedded in a clay rich matrix
What mineral is the building block of microcrystalline flint, chert, and jasper?
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Iron oxide
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Limestone
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CaMg(CO3)2
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quartz (SiO2)
Which one of the following is not a chemical sedimentary rock or evaporite?
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Shale
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mud
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Arkose
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Limestones
What cement produces bright-red and yellow colors in some sandstones?
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Iron oxide
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Travertine
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quartz (SiO2)
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Limestone
In which of the following sedimentary rocks are nonclastic textures common?
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CaMg(CO3)2
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Limestones
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Travertine
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Limestone
Which of the following descriptions best matches a "greywacke"?
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Travertine
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a sandstone with sand grains embedded in a clay rich matrix
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All are transported as dissolved ions and then deposited by evaporation.
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Chemically derived sedimentary rocks
What characteristic is used to classify detrital sedimentary rocks?
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Iron oxide
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Chemically derived sedimentary rocks
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Grain sizes of the detrital particles
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Breccia clasts are angular; conglomerate clasts are rounded.
What percentage of the continental areas of Earth's surface is covered by sediments and sedimentary rocks?
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Shale
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mud
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75%
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Iron oxide
What is probably the single most important, original, depositional feature in sedimentary rocks?
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Bedding or stratification
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quartz (SiO2)
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Grain sizes of the detrital particles
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Breccia clasts are angular; conglomerate clasts are rounded.
Which of the following applies to the basic constituents of halite, gypsum, and sylvite?
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Mud cracks
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a sandstone with sand grains embedded in a clay rich matrix
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Chemically derived sedimentary rocks
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All are transported as dissolved ions and then deposited by evaporation.
Where do coal beds originate?
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Grain sizes of the detrital particles
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a sandstone with sand grains embedded in a clay rich matrix
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In freshwater coastal swamps and bogs
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Chemically derived sedimentary rocks
Which of the following sedimentary rocks would you expect to have originally been deposited by fast-moving streams?
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Limestones
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Travertine
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Mud cracks
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Conglomerate
Which of the following is not a type of limestone?
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Mud cracks
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Limestone
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Travertine
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Arkose
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