Question 1

Limestone is most likely formed in which of the following environments?

Accepted Answer

A) shallow-marine clastic 
B) shallow-marine carbonate 
C) marine delta 
D) deep marine 
A) shallow-marine clastic 
B) shallow-marine carbonate 
C) marine delta 
D) deep marine

Question 2

If a geologist found preserved mud cracks,he or she could conclude that the environment in which they formed ________.

Accepted Answer

A) was once covered in wet mud 
B) was once covered by a glacier 
C) has been subjected to a major climate change event 
D) was the site of a mass extinction event 
A) was once covered in wet mud 
B) was once covered by a glacier 
C) has been subjected to a major climate change event 
D) was the site of a mass extinction event

Question 3

It is unusual for ________ to carry grains larger than sand.

Accepted Answer

A) ice in glaciers 
B) water in rivers 
C) wind 
D) water at a seaside beach 
A) ice in glaciers 
B) water in rivers 
C) wind 
D) water at a seaside beach

Question 4

The primary difference between breccia and conglomerate is that conglomerate ________.

Accepted Answer

A) is finer grained than breccia 
B) is coarser grained than breccia 
C) possesses more angular grains than breccia 
D) possesses more rounded grains than breccia 
A) is finer grained than breccia 
B) is coarser grained than breccia 
C) possesses more angular grains than breccia 
D) possesses more rounded grains than breccia

Question 5

The image below shows a series of graded beds.How many graded beds are shown?

Accepted Answer

A) 1 
B) 3 
C) 12 
D) 15 
A) 1 
B) 3 
C) 12 
D) 15

Question 6

Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley.What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

Accepted Answer

A) regression and deltas 
B) subsidence and deltas 
C) regression and alluvial fans 
D) subsidence and alluvial fans 
A) regression and deltas 
B) subsidence and deltas 
C) regression and alluvial fans 
D) subsidence and alluvial fans

Question 7

A clastic rock composed of sand-sized grains derived from the physical weathering of granite and containing a sizable proportion of feldspar is termed ________.

Accepted Answer

A) metasandstone 
B) lithosandstone 
C) wacke 
D) arkose 
A) metasandstone 
B) lithosandstone 
C) wacke 
D) arkose

Question 8

What is the difference between the formation of chalk versus chert?

Accepted Answer

A) They have different grain sizes. 
B) They are made of different source materials. 
C) Chalk is terrestrial;chert is marine. 
D) Chalk is biochemical;chert is chemical. 
A) They have different grain sizes. 
B) They are made of different source materials. 
C) Chalk is terrestrial;chert is marine. 
D) Chalk is biochemical;chert is chemical.

Question 9

Cemented shells of marine organisms form which kind of sedimentary rock?

Accepted Answer

A) biochemical 
B) chemical 
C) clastic 
D) organic 
A) biochemical 
B) chemical 
C) clastic 
D) organic

Question 10

Stratification refers to ________.

Accepted Answer

A) the development of layering within sedimentary rocks 
B) the act of deposition of sediment that will ultimately form sedimentary rock 
C) physical and chemical alterations,including compaction and cementation,that occur as sediment is transformed into rock 
D) the process of breaking down a source rock into smaller pieces called grains 
A) the development of layering within sedimentary rocks 
B) the act of deposition of sediment that will ultimately form sedimentary rock 
C) physical and chemical alterations,including compaction and cementation,that occur as sediment is transformed into rock 
D) the process of breaking down a source rock into smaller pieces called grains

Question 11

Consult the figure below.Here,distinct internal laminations are inclined at an angle to the boundary of the main sedimentary layers.This is termed ________.

Accepted Answer

A) graded beds 
B) cross beds 
C) horizontal beds 
D) tilted beds 
A) graded beds 
B) cross beds 
C) horizontal beds 
D) tilted beds

Question 12

The sedimentary rocks breccia and conglomerate most commonly form in a ________ environment.

Accepted Answer

A) beach 
B) lake 
C) mountain stream 
D) deep-ocean basin 
A) beach 
B) lake 
C) mountain stream 
D) deep-ocean basin

Exam 7: Pages of Earths Past: Sedimentary Rocks

Limestone is most likely formed in which of the following environments?

If a geologist found preserved mud cracks,he or she could conclude that the environment in which they formed ________.

It is unusual for ________ to carry grains larger than sand.

The primary difference between breccia and conglomerate is that conglomerate ________.

The image below shows a series of graded beds.How many graded beds are shown?

Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley.What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

A clastic rock composed of sand-sized grains derived from the physical weathering of granite and containing a sizable proportion of feldspar is termed ________.

What is the difference between the formation of chalk versus chert?

Cemented shells of marine organisms form which kind of sedimentary rock?

Stratification refers to ________.

Consult the figure below.Here,distinct internal laminations are inclined at an angle to the boundary of the main sedimentary layers.This is termed ________.

The sedimentary rocks breccia and conglomerate most commonly form in a ________ environment.

Cosmology and the Birth of Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

Metamorphism: a Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Crags,cracks,and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: the Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: Earths Atmosphere and Climate

Dry Regions: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Introducing Rocks

a Surface Veneer: Sediments and Soils

the Rock Cycle in the Earth System

the Earths Interior, revisited: Seismic Layering, gravity, and the Magnetic Field

Memories of Past Life: Fossils and Evolution

Ever-Changing Landscapes and the Hydrologic Cycle

Filters