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Geologic

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Submitted By raiguyxiang
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Chapter 1
How many different way the interaction between the human and geologic environment?
Geology’s interaction with humans is a two way street. It impacts us and we impact it, often at the same time.
Chapter 2
Difference between Rocks and Minerals and how we classify each
A mineral, by definition, is any naturally occurring, inorganic substance 。A rock is an indefinite mixture of naturally occurring substances, mainly minerals. Its makeup may vary in containment of minerals and organic substances
We classify Minerals by its Hardness, Density, Gravity, Color, Luster, Streak, Cleavage and Crystal Shape
We classify rocks into three major groups: igneous rock, sedimentary rock, and metamorphic rock Chapter 3
What happens to each Plate Boundaries? What geologic process? (Earthquake, volcano, Tsunami)
Divergent plate boundary: Lithospheric plates move apart, subject to tensional stress. Many volcanic activity and earthquakes occurs at divergent plate boundaries.
Convergent Plate Boundaries: Plates are moving toward each other, subjecting the rocks in the collision zone to compressive stress
Transform Boundaries: The opposite sides of a transform fault belong to two different plats, and these are moving in opposite directions in a shearing motion. As the plates scrape past each other, earthquakes occur along the transform fault.
Chapter 4
Methods to predict or forecast the Earthquake
In its early stages earthquake prediction was based on the study of earthquake precursor phenomena, things that happen or rock properties that change prior to an earthquake.
We use earthquake cycle to forecast the periodically earthquake
Chapter 5
Explain why some volcanos are explosive while others are quite
If lava has little silica and lots of iron, the gas can escape easily, it will explode quietly. If lava has lots of silica and little iron, the gas cannot escape

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