volcanism.ppt

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08/28/22 1 VOLCANISM is the motion of magma from the internal of the earth

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Page 1: VOLCANISM.ppt

04/11/23 1

VOLCANISMis the motion of magma from the internal of the earth

Page 2: VOLCANISM.ppt

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VOLCANISM CONSISTS OF 2 KINDS

1. Magmatic intrusion is the activty of magma that does not reach to the earths surface

2. Macmatic extrusion is the activtyof magma reach to the earths

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ERUPTIONeruption consists 3 kinds

1. Central eruption that is the movement of magma that discharges from a magma canal2. Linier eruption

is an eruption eruption that happens in the hole that shape of lengthen slot

3. Areal eruptionis an eruption that happens through very big

hole because magmatic kitchen lies very near to the earths surface

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Based on its density, the eruption of volcano can be separated into:

1. Effusive eruption is the eruptive process of volcano in the form of weak explosion, this eruption produce shield volcano

2. Explosive eruption is the eruption of volcano in the form of strong explosion, this eruption produce maar volcano

3. Effusive and explosive eruption combined produce strato volcano

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Signs of volcano will explode : 1. Temperature around crater increases

2. Many source of water become dry

3. It often happens earthquakes

4. Many animals that lie in the peak of the mountain move and run to find a cold place

5. It often heard the sound of thunder form inside of volcano

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Topic Three

Details about this topic Supporting information and

examples How it relates to your audience

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Real Life

Give an example or real life anecdote

Sympathize with the audience’s situation if appropriate

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What This Means

Add a strong statement that summarizes how you feel or think about this topic

Summarize key points you want your audience to remember

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Next Steps

Summarize any actions required of your audience

Summarize any follow up action items required of you