EOSC 210 MT1 EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT
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EOSC 210 MT1
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EOSC 210 MT1
EOSC 210 MT1 EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT
List 4 ways a mineral can form - Answer- 1. cooling and crystallization of magma
2. Precipitation from liquid
3. Chemical changes from heat or press.
4. Precipitation from life
How are minerals grouped? - Answer- Based off their a...
EOSC 210 MT1 EXAM QUESTIONS
WITH REVISED ANSWERS ALL
CORRECT
List 4 ways a mineral can form - Answer- 1. cooling and crystallization of magma
2. Precipitation from liquid
3. Chemical changes from heat or press.
4. Precipitation from life
How are minerals grouped? - Answer- Based off their anion.
If 3 different minerals have the following anion, place all in the correct group:
1. O
2. S
3. F, Cl or Br - Answer- 1. Oxide
2. Sulphides
3. Halides
If 4 different minerals have the following anion, place all in the correct group:
1. CO3
2. PO4
3. Si
4. Au, Cu, S, C - Answer- 1. Carbonates
2. Phosphates
3. Silicates
4. Native minerals
How can knowing minerals be important to engineers? - Answer- Use as building blocks
- Au, Cu, Si
Know where not to build - Carbonate (CO3)
Know environmental risks - Tailings
How can Igneous rocks change to sedimentary rocks? - Answer- Rise, erode, compress
How can Igneous rocks change to metamorphic rocks? - Answer- Get buried, get
changed from press. heat.
How can metamorphic rocks change to igneous rocks? - Answer- melt, harden
, How can metamorphic rocks change to sedimentary rocks? - Answer- lift, erode,
compress
How can sedimentary rocks change to igneous rocks? - Answer- Bury, melt, solidify
How can sedimentary rocks change to metamorphic rocks? - Answer- Bury, change
from heat, press.
List both ways igneous rocks form and their textures - Answer- Intrusive - large crystals,
Phaneritic
Extrusive - microscopic crystals, Aphanitic
Describe the three textures of igneous rocks and state their names - Answer- Phaneritic
- Large crystals
Aphanitic - microscopic crystals
Porphyritic - 2 stage cooling resulting in a mix of big and small crystals.
List three factors that contribute to magma formation - Answer- 1. Heat increase
2. Press. decrease
3. Addition ov volatiles.
Explain the chain reaction that causes magma to rise - Answer- 1. Press decreases
2. density decreases
3. rises
4. repeat
For Felsic magma and rocks, list:
(1) it's shade,
(2) relative viscosity
(3) relative forming temp - Answer- (1) Light
(2) High viscosity
(3) low temp
For Mafic magma and rocks, list:
(1) it's shade,
(2) relative viscosity
(3) relative forming temp - Answer- (1) dark
(2) low viscosity
(3) high temp
Define Uniformitarianism - Answer- The current processes have been acting for a long
time - we can tell the past from the current.
Define Original horizontality - Answer- Sediments are originally placed horizontally.
likely deforming later.
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