Download Earth Revealed - Sedimentary Rocks

Earth Revealed - Sedimentary Rocks
1. Sediments are a not a product of:
(a) physical weathering (b) chemical weathering (c) horizontality (d) erosion
2. Which is not an example of a clastic sediment?
(a) boulders (b) cobbles (c) silt (d) clay (e) evaporites
3. Lithification of sediment is a result of compaction and…
(a) conglomeration (b) contusion (c) confusion (d) cementation (e) combustion
4. Sorting is the separation of sediment according to grain size. Which type of deposition
would result in poor sorting?
(a) delta (b) landslide (c) alluvial fan (stream deposit from mountains to a flat valley
floor) (d) sandbar
5. When a river empties into large body of water, which type of sediment was deposited
nearest the shore?
(a) clay (b) sand (c) silt (d) evaporites (e) coal
6. Which type of chemical sedimentary rock is associated with shallow seas or lakes?
(a) sandstone (b) siltstone (c) limestone (d) coal (e) breccia
7. Which geology law proposes that the physical processes which we observe today obey the
same laws that ancient processes followed.
(a) Law of Horzontality (b) Law of Superposition (c) Law of Uniformity (d) Law of
Gravity
8. Which is not considered a sedimentary structure?
(a) bedding (b) ripple marks (c) cross bedding (d) mud cracks (e) fault
9. What feature was not evidence that the Ridge Basin was once a lake?
(a) thin, siltstone bedding (b) freshwater microfossils in the limestone (c) mudcracks
(d) lava flows (e) symmetric wave ripples
10. Fossil fuels are found in sedimentary rocks. Which is not a fossil fuel?
(a) oil (b) iron ore (c) natural gas (d) bituminous coal (e) anthracite coal
Earth Revealed - Sedimentary Rocks - Answers
1. Sediments are a not a product of:
(c) horizontality
2. Which is not an example of a clastic sediment?
(e) evaporites
3. Lithification of sediment is a result of compaction and…
(d) cementation
4. Sorting is the separation of sediment according to grain size. Which type of deposition
would result in poor sorting?
(b) landslide
5. When a river empties into large body of water, which type of sediment was deposited
nearest the shore?
(b) sand
6. Which type of chemical sedimentary rock is associated with shallow seas or lakes?
(c) limestone
7. Which geology law proposes that the physical processes which we observe today obey the
same laws that ancient processes followed.
(c) Law of Uniformity
8. Which is not considered a sedimentary structure?
(e) fault
9. What feature was not evidence that the Ridge Basin was once a lake?
(d) lava flows
10. Fossil fuels are found in sedimentary rocks. Which is not a fossil fuel?
(b) iron ore