Exam 7: Sedimentary Rocks

Which of the following best describes bedded gypsum and halite?

A cherty limestone would contain which major constituents?

Which of the following sedimentary features can each be used to determine paleocurrent directions?

Sandstones are lithified mainly by cementation. What is the major process involved in the lithification of shales?

Which of the following sedimentary features would typically be found in shales but not in sandstones?

Oolitic limestone is most likely to form in what type of depositional environment?

Which one of the following is not a chemical sedimentary rock or evaporite?

What is the most abundant mineral in detrital sedimentary rocks?

What is the most characteristic, original, depositional feature preserved in sedimentary rocks?

Which evaporite sedimentary rock, composed of calcium sulfate, is an important component of plasters and wallboard?

Which major component of detrital sedimentary rocks only rarely occurs as a primary mineral in igneous rocks?

Which characteristic is absolutely necessary for a sedimentary rock to have potential as a possible reservoir rock for oil or gas?

The study of depositional environments in sedimentary rocks is critical to understanding Earth's history. What features or characteristics of sedimentary rocks are unique to particular environments? What features are found in a variety of environments and are therefore less definitive for interpreting paleoenvironments?

What is probably the single most important, original, depositional feature in sedimentary rocks?

Flint, chert, and jasper are microcrystalline forms of ________.

_______is a form of calcium carbonate.

What term describes the complex, original stratification pattern seen in sandstones deposited in ancient sand dunes?

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

What is the main difference between a conglomerate and a sedimentary breccia?

What are the three, most common, cementing agents for sandstones?