Exam 6: Sedimentary Rocks

In what setting would you expect to find massive, poorly sorted deposits ranging in size from boulders to clays?

How do salt flats form?

Where would hummocky, mound shaped piles and ridges of poorly sorted boulders to clays occur?

________ cement produces dark red and orange colours in some sandstone.

Consider the small delicate Early Cenozoic ancestors of the modern horse.Which part of these animals was most commonly preserved as fossils?

What does the upper bedding plane on a sediment layer indicate?

The process of turning a sediment into a sedimentary rock is called ________.

What two conditions must be met for fossil preservation?

How would you distinguish channel from floodplain deposits?

a)What kind of sedimentary structure is pictured in the photograph below? b)Explain how this kind of sedimentary structure forms.

What are the two fundamentally different types of fossils and give an example of each?

Beaches, bars, deltas, lagoons, and tidal flats are all ________ environments.

The principle form of carbon in the atmosphere is as industrial soot particles.

Which sedimentary rock forms by lithification of gravels?

What is the chemical formula for dolomite, the major mineral in dolostones?

By studying and interpreting sedimentary rocks, geologists can make paleogeographic maps of ancient environments.

The largest Canadian deposits and mining operations for bituminous coal occur in ________.

How is a fossil cast or mould formed?

The dominant sediment of tidal flats would likely be ________.

What rock type would be made from angular rock fragments >70 millimetres in size?