Exam 8: From Sediment to Sedimentary Rock

Cross-bedding can form from turbidites,with the large grains deposited on the bottom and the fine grains at the top.

Sediment that is carried and deposited by the wind is known as _____ sediment.

What is the sedimentary structure shown in the figure below?

Till is an example of sediment that has angular grains and high sphericity.

Loess is a type of eolian sediment.

A mudstone contains a higher proportion of clay-size grains than silt-size grains.

Banded iron formations are almost all approximately 1.8-2.5 million years old.

Glacial till is an example of a deposit that is _____.

Explain how a turbidity current forms a graded bed.

A _____ sedimentary rock is represented in the figure below.

The figure below shows an example of a _____ sediment deposit.

Seasonal lakes that form in arid areas are known as _____.

_____ processes are those referring to the wind.

When gravel becomes lithified,_____ is formed.

The figure below shows sediment that is poorly sorted.

A biogenic sediment that forms from the accumulation of plant debris is known as _____.

_____ are volcanigenic sediments that are still hot when they form.

Most of the world's sedimentary rocks form as strata in which of the following environments?

What is the difference between bedding and a bedding surface?

A semi-enclosed body of coastal water where fresh water mixes with marine water is known as a delta.