Exam 7: Sedimentary Rocks

Would the rock in the above image be considered a sedimentary breccia or a conglomerate? Why?

Which process will remove CO₂ from the atmosphere and sequester it?

Which environment would be likely to produce a black shale?

________ is the process where calcium ions in limestone are replaced with magnesium or small amounts of iron.

There are no sediments on the deep seafloor.

What information can evaporites provide about the past environment of deposition?

What effect would the release of carbon sequestered in carbonates and organic sedimentary rocks have on the planet?

Which of the following locations will see the deposition of sylvite and gypsum?

What is the sedimentary texture displayed in this image?

Which of the following methods of transportation will result in the best degree of sorting, with all the particles being roughly the same size?

Which rock type can contain fossils?

If coal is composed of organic materials such as vegetation, what prevents them from decaying before they become a sedimentary rock?

Shales are well cemented because of the high number of pore spaces.

How would you describe the shape of the sediments in the rock in the above image?

Compaction will be the most significant lithification process for which of the following rocks?

Which of the following best describes interbedded gypsum and halite?

Which rock type, or combination of rock types, makes up the majority of Earth's outermost solid surface?

What sedimentary structure is present in this photo?

The River Loop Trail at Black Hawk State Historic Site in Rock Island, Illinois, has exposures revealing nearly 130 million years of geologic history.At the base of the hill is Devonian-aged limestone containing brachiopods and bryozoans.Above the limestone is Pennsylvanian-aged shale, with an unconformity between the two.The black shale is rich with fossils of ferns and marsh grasses.Directly on top of the shale is Pennsylvanian-aged sandstone.Using the geologic materials described, determine the environment of deposition for each unit.How has the overall environment changed from the Devonian to the end of the Pennsylvanian?

________ are fragments of preexisting materials that have been broken down through the processes of weathering.