ESS 101 Midterm 2 with
correct questions and
answers
usr
[COMPANY NAME] [Company address]
, 1. Interest in alternative energy and mineral sources may involve
Answer: - producing uncon- ventional resources
-mining lower concentration deposits
-recovering resources from waste and recycling streams
-sourcing from countries with ditterent political and/or environmental stewardship philosophies
2. .Which of the following are not goals of the USGS
- Understand fundamental Earth processes that form energy and
mineral resources
- Provide inventories and assessments of energy and mineral
resources
- Understand the effects of energy and mineral development on
natural re- sources and society
- Set governmental policy on offshore drilling in the U.S.
- Understand the reliability and availability of energy and mineral
supplies Answer: Set governmental policy on ottshore drilling in the U.S.
3. The following mineral is used to filter drinking water Answer:
- Cadmium
- Diatomite
- Kaolin
- Tantalum
- Zinc Answer: diatomite
4. what are the three types of Magma/lava Answer: mafic-basalt, intermediate-
andesite, felsic-granite
5. Why does granitic composition magma rarely make it to the
surface? Answer: Granitic magma is a wet melt and the melting temp increases with
decreasing pressure so that is solidifies as is rises to the surface, as pressure decrease
6. what happens to dry basaltic magma as it rises? Answer: it further melts as it
rises to the surface
7. where do shield volcanoes form? Answer: oceanic hot spots
8. where do strato volcanoes form Answer: subduction zones
9. pyroclastic volcanoes are Answer: cinder cones related to small vents and presence of
ground water
2/
12
correct questions and
answers
usr
[COMPANY NAME] [Company address]
, 1. Interest in alternative energy and mineral sources may involve
Answer: - producing uncon- ventional resources
-mining lower concentration deposits
-recovering resources from waste and recycling streams
-sourcing from countries with ditterent political and/or environmental stewardship philosophies
2. .Which of the following are not goals of the USGS
- Understand fundamental Earth processes that form energy and
mineral resources
- Provide inventories and assessments of energy and mineral
resources
- Understand the effects of energy and mineral development on
natural re- sources and society
- Set governmental policy on offshore drilling in the U.S.
- Understand the reliability and availability of energy and mineral
supplies Answer: Set governmental policy on ottshore drilling in the U.S.
3. The following mineral is used to filter drinking water Answer:
- Cadmium
- Diatomite
- Kaolin
- Tantalum
- Zinc Answer: diatomite
4. what are the three types of Magma/lava Answer: mafic-basalt, intermediate-
andesite, felsic-granite
5. Why does granitic composition magma rarely make it to the
surface? Answer: Granitic magma is a wet melt and the melting temp increases with
decreasing pressure so that is solidifies as is rises to the surface, as pressure decrease
6. what happens to dry basaltic magma as it rises? Answer: it further melts as it
rises to the surface
7. where do shield volcanoes form? Answer: oceanic hot spots
8. where do strato volcanoes form Answer: subduction zones
9. pyroclastic volcanoes are Answer: cinder cones related to small vents and presence of
ground water
2/
12
