Gelo Advincula
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Gelo Advincula
Created by Gelo Advincula over 4 years ago
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11SCI Volcano Internal

Question 1 of 4

1

Fill the blank spaces to complete the text.

Describe the Auckland Volcanic Field.

The Auckland Volcanic field was formed due to coming from finding their way to the surface through in the Earth’s , causing violent and eruptions. from has caused volcanoes of different types in Auckland.

Explanation

Question 2 of 4

1

Name and describe specific features of the Onepoto volcano.

Onepoto is a volcano meters deep and meters wide. from a hot spot 100 km down formed Onepoto’s . Onepoto used to be a crater that is now due to sediment buildup. The sides of the tuff ring is relatively steep, with a on the side due to and erosion to use for manmade purposes such as the construction of the harbor bridge and the roads leading up to the volcano. The tuff ring has plenty of on top of it.

Drag and drop to complete the text.

    tuff ring
    scoria cone
    61
    600
    basalt magma
    surface features
    a flat bottom
    filled up
    breach
    gap
    southwestern
    northeastern
    western
    southeastern
    human physical weathering
    biological weathering from trees
    trees
    bushes

Explanation

Question 3 of 4

1

Fill the blank spaces to complete the text.

Name and describe specific features of the North Head volcano.

North head is a high, steep sided on the . It is the eroded remains of a scoria cone, forming only on the top. is apparent on the perimeter of the scoria cone. beds are apparent on . The outwards sloping form the shore platform around southern, eastern, and northern sides of the headland. A small stream of lava the scoria cone is hidden beneath the houses in . could be found in the firm, underlying of the volcano for reasons, for purposes of making to use as bunkers and tunnels lined with concrete and a concrete roof that was buried. The hill was weakly terraced by the pre-European Maori.

Explanation

Question 4 of 4

1

Discuss, in detail, how internal processes have contributed to the formation of the features you described in your chosen volcanoes.

from a 100 kilometres down makes its way up, surfacing from a crack or a in the Earth’s crust.

As encounters , steam is generated and pressure builds up, leading to a explosion. In a phreatomagmatic explosion, is thrown up into the air while heavier is pushed . This creates a ring of and sediment that gradually hardens into a .

Time passes, and the volcano may stop erupting. Water would collect in the crater hole. At this point, tuff ring volcanoes like O and T becomes extinct.

However, some volcanoes like M and N continue to erupt. Additional lava rises in the vent and a is formed.

If there is plenty of lava, fire / begins. start to build up around the vent.

Lava / fire fountain continues, and scoria cones also continue to . Lava may burst out at a low level, like , flowing to fill the surrounding valleys and areas.

The lava flow, like Mount Victoria, may have been so significant that it of the scoria cone. The cone into the lava flow and is carried away. This leaves a in the crater.

Drag and drop to complete the text.

    Basalt magma
    hotspot
    fissure
    basalt magma
    cold groundwater
    phreatomagmatic
    volcanic ash
    sediment
    horizontally
    wet ash
    tuff ring
    nepoto
    ank Farm
    lava lake
    ount Victoria
    orth Head
    lava fountaining
    Scoria cones
    rise in height
    North Head
    overcomes the stability
    horseshoe-shaped breach
    collapses

Explanation