Chapter 7 Geology

25 July 2022
4.7 (114 reviews)
40 test answers

Unlock all answers in this set

Unlock answers (36)
question
Which environment is a setting that can deposit sand?
answer
turbidity currents along a continental slope
question
Which environment is most likely to deposit a breccia?
answer
debris flow
question
if you were designing a rock that would be easily weathered, which of the following characteristics would it have?
answer
a soluble chemical composition
question
these sandstone beds are interlayed with dark marine shales. what is the most likely environment in which the sandstone formed?
answer
deep-water turbidity currents
question
which of the following sites would contain the finest grained sedimentary deposits?
answer
lake at e
question
if a rock is poorly sorted, this mean the rock contains
answer
a wide range in the size of clasts
question
peat forms from the accumulation of
answer
plant material
question
which of the following is a characteristic of fine-grained clastic rocks
answer
the rocks tend to be easily eroded
question
fine grained clastic rocks are
answer
easily eroded
question
which of the following environments would most likely have sediment formed by evaporation of seawater?
answer
tidal flat at E
question
sediments with a large amount of sand are most likely at
answer
braided river at c and and delta at d
question
the deep sea floor is characterized by sediment dominated by
answer
fine dust and the remains of single celled organisms
question
which of the following is not involved in turning some sediment into sedimentary rock
answer
metamorphism
question
this sandstone includes shells of marine creatures that live in shallow water. what is the most likely environment in which it formed
answer
beach next to sea
question
a sandstone containing mostly sand but mixed with rounded pebbles and pieces of shells indicates deposition
answer
by waves at the beach
question
sorting describes
answer
the size range of clasts in the sediment
question
because shales and siltstones are easily eroded, the areas where they are exposed typically:
answer
have soft slopes and soil cover
question
lime muds and clastic limestone sands are deposits that form carbonate rocks in
answer
nearshore environments
question
sedimentary rocks are comprised of material that comes primarily from
answer
other locations
question
the largest sand dunes in dry climates can stretch
answer
hundreds of kilometers
question
a soft very fine grained limestone formed via the accumulation of the calcium carbonate remains of microorganisms is known as
answer
chalk
question
which of the following characteristics are not used to classify and name clastic sediments
answer
the size of the clasts
question
shallow coastal accumulations of sand that rise above the sea as long narrow islands are called
answer
barrier islands
question
what happens to the majority of sediment being carried by moving water as it enters a standing body (little or no motion of water)
answer
the sediment gradually settles to the bottom
question
what type of rock would you form in this coral reef
answer
limestone
question
which of the following processes is not considered physical weathering
answer
oxidation
question
melting glaciers tends to deposit most of the sediment they carry and create
answer
at their terminus (end)
question
which of the following environments would most likely consist of sand/or rounded cobbles
answer
beach at a
question
which of the following is most likely to deposit a conglomerate?
answer
braided river
question
which of the following is not a type of carbonate rock
answer
shale
question
whcih of the following processes is not considered to be chemical weathering
answer
thermal expansion
question
which of the following statements is not true about clastic sedimentary rocks?
answer
to be called a sandstone, quartz must make up more than 95 percent of the grains
question
fluvial refers to
answer
the processes and sediment of streams and rivers
question
which of the following is a common characteristic of carbonate rocks
answer
they commonly have a dissolved appearance
question
which of the following environments would likely have large clasts
answer
steep slope
question
which environment is least likely to deposit siltstone or shale
answer
channel of a braided river
question
what typically happens to the size, shape, and sorting of clasts as they are transported from steep mountains toward more gentle settings
answer
the clasts become more rounded
question
shale is a common sedimentary rock because
answer
one of the places clay is deposited is very widespread (the seafloor)
question
which environment is least likely to deposit a breccia
answer
meandering river
question
which of the following attributes does not apply to these sediments
answer
well sorted