Exam 6: Pages of Earth S Past: Sedimentary Rocks

As compared with metamorphism,diagenesis ________.

Sea level rises locally,and marine sediments are deposited on top of terrestrial sediments during events termed ________.

Lithification,the process by which sediments are turned into sedimentary rocks,includes ________.

Limestone can be either a biochemical or a chemical sedimentary rock.Explain how both types of limestone are formed.Make sure to describe the environments in which they were formed.

Large layers of cross-bedded sand can be indicative of a ________ environment.

What traits would a clastic sedimentary rock have if it had traveled far from its source and was carried in a current with uniform energy? What environment would this be?

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

Describe the depositional environment that formed the layers shown in the image below.

If a geologist finds thick accumulations of fossiliferous limestone,in what type of basin might they have been formed?

Sedimentary basins are often subject to ________,which allows them to fill with thick accumulations of sediments.

A gravel bar in a river is an example of a landform created by ________.

Geologists call individual layers of sedimentary rocks ________,whereas several of them together are called ________.

The elevation of a mountain is slowly decreased by weathering and ________.

Which of the following does NOT reflect transport distance?

Shallow-marine deposits tend to have abundant fossils due to their proximity to ________.

________ basins contain the largest accumulation of marine sediments.

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

Clastic sedimentary rocks are primarily classified on the basis of ________.

A fine-grained clastic sedimentary rock that splits into thin sheets is ________.

The image below shows an outcrop of coarse-grained sedimentary rock.Note the rock hammer for scale.What is the name of this rock type?