Exam 6: Pages of Earth S Past: Sedimentary Rocks

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

When limestone becomes chemically altered so that half of the calcium atoms are replaced by magnesium,the resultant rock is termed ________.

Biochemical limestones are dominated by carbonate mud and fragments of ________.

The majority of the rocks that are formed at the surface of Earth are ________ rocks.

Lithification occurs ________.

Compaction and cementation of grains occur during ________.

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

Which of the following is FALSE? As compared to arkose,quartz sandstone ________.

Cementation of sediments occurs when minerals ________ the spaces between sediment grains.

Scour marks are an indicator of ________.

Lake deposits tend to be composed of finely laminated mudstones,indicative of ________.

Two major sources of energy,coal and oil shale,are considered ________ sedimentary rocks.

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

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

In which of the following three basin types might you be able to find oil forming and why? Rift basin,passive-margin basin,and foreland basin.