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