GEOLOGY 6

What is the thin layer of sediment covering Earth's surface called?
a) Lithosphere
b) Mantle
c) Veneer
d) Crust

• a

• b

• c

• d

Which type of rock forms from the deposition, compaction, and cementation of sediments?
a) Igneous
b) Metamorphic
c) Sedimentary
d) Magmatic

• a

• b

• c

• d

What is the Latin origin of the word "sedimentary"?
a) Sedimentum
b) Sedimenta
c) Sedimenta
d) Sedimontes

• a

• b

• c

• d

Which of the following is NOT a sediment?
a) Sand in dunes
b) Gravel in streambeds
c) Mud in swamps
d) Granite in mountains

• a

• b

• c

• d

Which process involves minerals binding sediment grains together?
a) Weathering
b) Erosion
c) Cementation
d) Melting

• a

• b

• c

• d

Which type of sedimentary rock is formed from weathered rock particles?
a) Detrital
b) Chemical
c) Igneous
d) Metamorphic

• a

• b

• c

• d

Which type of sedimentary rock forms from precipitation of dissolved materials?
a) Detrital
b) Chemical
c) Igneous
d) Volcanic

• a

• b

• c

• d

Where is sedimentary rock cover thickest?
a) At mountain peaks
b) In sedimentary basins
c) Near mid-ocean ridges
d) On active volcanoes

• a

• b

• c

• d

What is a key process in the formation of sedimentary rocks?
a) Crystallization
b) Erosion
c) Compaction
d) Metamorphism

• a

• b

• c

• d

Which of the following is a detrital sedimentary rock?
a) Limestone
b) Sandstone
c) Rock salt
d) Gypsum

• a

• b

• c

• d