Exam 7: Pages of Earths Past: Sedimentary Rocks

Describe the difference between lithification and diagenesis.

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

Illustrate a rock formation that is bedded.How might this sequence have formed?

Topset,foreset,and bottomset beds are indicative of ________ environments.

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

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.

A shale differs from a mudstone in that it

Which environment would most likely produce sedimentary deposits characterized by very well-sorted,very well-rounded grains that are nearly pure quartz?

Notice the turbidity current in the image below.Briefly describe and sketch the deposit that will result.

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

Basins that form on the continental side of mountain ranges are called _________ basins.

Which of the following is true about regressions?

Lithified detritus (breakdown products of preexisting rocks)forms which kind of sedimentary rock?

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

Sedimentary rocks are most likely to form

Which transport medium carries the largest particles?

Which environment would most likely produce sedimentary deposits characterized by poorly to moderately sorted,angular to subangular grains that consist of feldspar,quartz,and lithics (rock fragments)?

The image below of Death Valley,CA,shows a road that curves around a(n)

How are a marine transgression and regression different? What happens to the shoreline in each?

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