Volcano Classification

Question 1

Describe a fissure eruption

Answer 1

Occur where a elongated crack in the crust allows lava to spill over a large area

Question 2

Where are fissure eruptions found

Answer 2

Found around spreading ridges where tension pulls the crust apart at rift or early constructive margins

Question 3

Rock type and eruptions of a fissure

Answer 3

Basaltic and gentle but persistent

Question 4

Example of fissure

Answer 4

Heimaey iceland

Question 5

Explain shield volcanos

Answer 5

Form gently sloping cones from layers of less viscous lava

Question 6

Where are shield volcanoes found

Answer 6

Hot spots and where oceanic crust meets oceanic crust

Question 7

Rock type and eruption of shield volcanoes

Answer 7

Gentle and predictable with basaltic rock

Question 8

Example of a shield volcano

Answer 8

Mauna Loa in Hawaii

Question 9

Describe composite volcanoes

Answer 9

Common type on land, created by layers of ash from initial eruptions and subsequent layers of lava from main eruptions

Question 10

Rock type and eruptions of composite

Answer 10

Andesite and explosive and unpredictable

Question 11

Where are composite volcanoes found

Answer 11

Destructive plate margins

Question 12

Example of a composite volcano

Answer 12

Vesuvius Italy

Question 13

Acid or done description

Answer 13

Steep sided volcanoes formed from very viscous lava, as lava can’t travel far it builds up in convex cone

Question 14

Where are acid volcanoes found

Answer 14

Continental crust

Question 15

Rock type and eruptions

Answer 15

Rhyolitic and explosive and unpredictable

Question 16

Example of acid volcanoes

Answer 16

Puy de domes in France

Question 17

Caldera description

Answer 17

Form when gases that have built up beneath a blocked vent result in a eruption that destroys the volcano summit leaving a crater where smaller eruptions may create small domes within

Question 18

Rock type and eruption of calderas

Answer 18

Andesitic and very explosive and unpredictable

Question 19

Where are calderas found

Answer 19

Destructive margins

Question 20

Example of calderas

Answer 20

Crater lake us

Question 21

Name all types

Answer 21

Fissure 
Shield 
Composite 
Acid/dome
Calderas