MCQ Questions
Q.1.
A cherty limestone would most likely contain which major constituents?
  • 0%
    Silica and calcite
  • 0%
    quartz (SiO2)
  • 0%
    Limestones
  • 0%
    Iron oxide
Q.2.
For which of the following sediments does compaction play an important role?
  • 0%
    Limestones
  • 0%
    mud
  • 0%
    Shale
  • 0%
    Mud cracks
Q.3.
What is the most common type of chemical sedimentary rock?
  • 0%
    Limestone
  • 0%
    Travertine
  • 0%
    CaMg(CO3)2
  • 0%
    Limestones
Q.4.
What type of sandstone contains abundant feldspar?
  • 0%
    Iron oxide
  • 0%
    Limestone
  • 0%
    Shale
  • 0%
    Arkose
Q.5.
Which of the following sedimentary features would typically be found in shales but not in sandstones?
  • 0%
    Travertine
  • 0%
    Conglomerate
  • 0%
    Limestones
  • 0%
    Mud cracks
Q.6.
What is the main difference between a conglomerate and a sedimentary breccia?
  • 0%
    CaMg(CO3)2
  • 0%
    Breccia clasts are angular; conglomerate clasts are rounded.
  • 0%
    All are transported as dissolved ions and then deposited by evaporation.
  • 0%
    a sandstone with sand grains embedded in a clay rich matrix
Q.7.
What mineral is the building block of microcrystalline flint, chert, and jasper?
  • 0%
    Iron oxide
  • 0%
    Limestone
  • 0%
    CaMg(CO3)2
  • 0%
    quartz (SiO2)
Q.8.
Which one of the following is not a chemical sedimentary rock or evaporite?
  • 0%
    Shale
  • 0%
    mud
  • 0%
    Arkose
  • 0%
    Limestones
Q.9.
What cement produces bright-red and yellow colors in some sandstones?
  • 0%
    Iron oxide
  • 0%
    Travertine
  • 0%
    quartz (SiO2)
  • 0%
    Limestone
Q.10.
In which of the following sedimentary rocks are nonclastic textures common?
  • 0%
    CaMg(CO3)2
  • 0%
    Limestones
  • 0%
    Travertine
  • 0%
    Limestone
Q.11.
Which of the following descriptions best matches a "greywacke"?
  • 0%
    Travertine
  • 0%
    a sandstone with sand grains embedded in a clay rich matrix
  • 0%
    All are transported as dissolved ions and then deposited by evaporation.
  • 0%
    Chemically derived sedimentary rocks
Q.12.
What characteristic is used to classify detrital sedimentary rocks?
  • 0%
    Iron oxide
  • 0%
    Chemically derived sedimentary rocks
  • 0%
    Grain sizes of the detrital particles
  • 0%
    Breccia clasts are angular; conglomerate clasts are rounded.
Q.13.
What percentage of the continental areas of Earth's surface is covered by sediments and sedimentary rocks?
  • 0%
    Shale
  • 0%
    mud
  • 0%
    75%
  • 0%
    Iron oxide
Q.14.
What is probably the single most important, original, depositional feature in sedimentary rocks?
  • 0%
    Bedding or stratification
  • 0%
    quartz (SiO2)
  • 0%
    Grain sizes of the detrital particles
  • 0%
    Breccia clasts are angular; conglomerate clasts are rounded.
Q.15.
Which of the following applies to the basic constituents of halite, gypsum, and sylvite?
  • 0%
    Mud cracks
  • 0%
    a sandstone with sand grains embedded in a clay rich matrix
  • 0%
    Chemically derived sedimentary rocks
  • 0%
    All are transported as dissolved ions and then deposited by evaporation.
Q.16.
Where do coal beds originate?
  • 0%
    Grain sizes of the detrital particles
  • 0%
    a sandstone with sand grains embedded in a clay rich matrix
  • 0%
    In freshwater coastal swamps and bogs
  • 0%
    Chemically derived sedimentary rocks
Q.17.
Which of the following sedimentary rocks would you expect to have originally been deposited by fast-moving streams?
  • 0%
    Limestones
  • 0%
    Travertine
  • 0%
    Mud cracks
  • 0%
    Conglomerate
Q.18.
Which of the following is not a type of limestone?
  • 0%
    Mud cracks
  • 0%
    Limestone
  • 0%
    Travertine
  • 0%
    Arkose