ESSC 101 Sedimentary Rocks EC Quiz
100% Verified!
Inorganic chemical sedimentary rocks are derived from: - ANSWERSthe dissolved products of chemical
weathering that precipitate from solution
Detrital sediment texture is identified on the basis of: - ANSWERSthe size, shape, and arrangement of the
particles
Which of the following statements concerning the formation of coal is NOT true?
a. coal is composed primarily of the remains of microorganisms
b. organic matter changes from peat, to lignite, to bituminous coal, and finally into anthracite coal
c. the environment for deposition of coal is usually a swamp
d. coal forms from the decomposition of organic matter in the absence of oxygen - ANSWERScoal is
composed primarily of the remains of microorganisms
Which of the following transport media generally results in the most well-sorted sediments?
a. rivers
b. wind
c. landslides
d. glaciers - ANSWERSwind
Sedimentary layers, or beds, indicate all of the following EXCEPT:
a. a change in depositional energy between beds
b. a change in grain size between beds
c. disturbance of sediments by organisms
d. a change in sediment composition between beds - ANSWERSdisturbance of sediments by organisms
100% Verified!
Inorganic chemical sedimentary rocks are derived from: - ANSWERSthe dissolved products of chemical
weathering that precipitate from solution
Detrital sediment texture is identified on the basis of: - ANSWERSthe size, shape, and arrangement of the
particles
Which of the following statements concerning the formation of coal is NOT true?
a. coal is composed primarily of the remains of microorganisms
b. organic matter changes from peat, to lignite, to bituminous coal, and finally into anthracite coal
c. the environment for deposition of coal is usually a swamp
d. coal forms from the decomposition of organic matter in the absence of oxygen - ANSWERScoal is
composed primarily of the remains of microorganisms
Which of the following transport media generally results in the most well-sorted sediments?
a. rivers
b. wind
c. landslides
d. glaciers - ANSWERSwind
Sedimentary layers, or beds, indicate all of the following EXCEPT:
a. a change in depositional energy between beds
b. a change in grain size between beds
c. disturbance of sediments by organisms
d. a change in sediment composition between beds - ANSWERSdisturbance of sediments by organisms
