2.a types of lava Flashcards

1
Q

Name the two types of lava

A

Basaltic
Acidic

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2
Q

Which lava is explosive?

A

Acidic lava

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3
Q

Which lava is effusive

A

Basaltic lava

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4
Q

Which is more viscous

A

Acid lava

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5
Q

What are the temperatures of basaltic lava?

A

1.200*c

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6
Q

what is the temperature of acidic lava ?

A

800*c

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7
Q

which has higher silica content and what does this mean?

A

Acidic
It makes the lava more runny

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8
Q

How often are the eruptions of basaltic lava?

A

Frequently but are not as explosive

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9
Q

How often are the eruptions of acidic lava?

A

less frequent but has more violent eruptions.

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10
Q

what is the landscape of basaltic lava volcanos?

A

extensive gentle sloping landforms

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11
Q

what is the landscape of acidic lava volcanos?

A

steep sided localised landforms are formed

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12
Q

Whats another name for the basaltic lava volcanoes?

A

Composite sided volcanoes

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13
Q

Whats another name for the acidic lava volcanoes?

A

Shield volcanoes

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14
Q

what plate margins is basaltic lava found on?

A

Constructive

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15
Q

What plate margins is acidic lava found on?

A

Destructive

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16
Q

give an example of a shield volcano with basaltic lava