Sediments/Sedimentology/Quiz

This shows the La Conchita 1995 Landslide. Credit: USGS.

Sedimentology is a lecture and an article from the school of geology. This quiz is based on the content of the lecture.

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Quiz

Point added for a correct answer:
Points for an incorrect answer:
Ignore the questions' coefficients:

1 Yes or No, Sedimentary rocks can occur before sediments are made.

	Yes
	No

2 Yes or No, Igneous rocks can occur before sediments are made.

	Yes
	No

3 Complete the text:

Match up the form or type of sediment with the effect:

morainic drift - A

glacial till - B

landslide - C

lahar - D

alluvium - E

loess - F

.

.

.

File:Morainic drift on surface2.JPG .

File:ALLUVIUM.JPG

.

4 True or False, An accumulation of surface sediment formed between a subducting oceanic crustal plate and a continental tectonic plate, as it is scraped from off the top of the oceanic crustal plate is called an accretionary wedge.

	TRUE
	FALSE

5 Characteristics of glacial till are?

	mixture
	clay
	sand
	pebbles
	boulders
	trench

6 True or False, The formation of sedimentary rock is called lithogenesis.

	TRUE
	FALSE

7 Fine-grained, silt-size sediment formed by the mechanical erosion of bedrock at the base and sides of a glacier by moving ice is called?

8 Yes or No, Sediments can occur before sedimentary rocks are made.

	Yes
	No

9 Yes or No, Metamorphic rocks can occur before sediments are made.

	Yes
	No

10 Yes or No, Volcanic rocks can occur before sediments are made.

	Yes
	No

Hypotheses

Main resource: Hypotheses

1. When the Earth began to form it was an agglomeration of sediments.

See also

• Geology/Quiz

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