Rocks/Coals/Quiz

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Lignite seams are interlayered with calcareous mud strata. Credit: Nadirrias.

Coals is a lecture/article as part of the school of geology.

You are free to take this quiz based on coals at any time.

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Quiz[edit]

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

1. Rocks are a bound aggregate of minerals with usually a large

extent.

2. True or False, A solid, homogeneous, crystalline chemical element or compound that results from natural inorganic processes is called a mineral.

TRUE
FALSE

3. A substance that resembles a mineral but does not exhibit crystallinity?


4. Any natural material with a distinctive composition of minerals?


5. A natural rocky source of chemicals from the sky to the ground may originate from what astronomical source?

Jupiter
the solar wind
the diffuse X-ray background
Mount Redoubt in Alaska
the asteroid belt
the International Space Station

6. True or False, A naturally occurring black glass is called an obsidian.

TRUE
FALSE

7. Various sciences that study rocks are which of the following?

petrology
lithology
petrography
mineralogy
geochemistry
geophysics

8. True or False, A naturally occurring, silvery-colored, metallic liquid, composed primarily of the chemical element mercury, is called mercury, or native mercury.

TRUE
FALSE

9. Mineraloids found on Earth may be which of the following?

tektites
amber
meteorites
petroleum
obsidian
opal
coals

10. Rocks containing mostly quartz?

aplites
argillites
coals
carbonatites
granites
quartzites
troctolites

11. Which of the following is a phenomenon associated with rocks?

one or more crystals
a large geographic extent
occurs as outcrops
often exposed by road cuts
dune sands
may be fine-grained

12. A terrestrial planet is composed primarily of?


13. Which of the following is not a radiation phenomenon associated with a crater?

rock strata
elongated dust particles
high albedo
olivine
coals
Rayleighs
volcanoes

14. Phenomena that may be associated with coals?

predicting the end of the Earth
carbonized ancient plants
a hard mafic rock
having a relatively high volatile content
peridotites
shales

15. True or False, A fine-grained homogeneous rock composed of clay or ash which cleaves easily into thin layers is called a slate.

TRUE
FALSE

16. Which geological phenomena are associated with rocks?

igneous processes
metamorphic processes
lithologic processes
water oceans
liquid lava
silicate minerals

Your score is 0 / 0


Hypotheses[edit]

Main source: Hypotheses
  1. Coals can contain minerals.

See also[edit]

External links[edit]

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