Volcanic Activity

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1/12 Questions

When magma emerges at the surface it is called
- Molten rock
- Lava
- Volcano
- Ash

About This Quiz

Are you a geology fanatic and are up to answering specifically designed questions that gauge your knowledge, well, try out this quiz. It is a simple set of questions and therefore, it will be easy to answer.

2.

This type of cone is formed of alternate layers of lava and ash.
- Ash and cinder cone
- Composite cone
- Lava cone
- Viscous lava cone
Correct Answer

A. Composite cone
3.

Sometimes it forms the root or core of a mountain. Which intrusive volcanic feature is this?
- Sill
- Laccolith
- Batholith
- Dyke
Correct Answer

A. Batholith
4.

If magma emerges from a fissure, it may build up
- Volcano
- Lava plateau
- Sill
- Laccolith
Correct Answer

A. Lava plateau
5.

A fluid lava builds a this type of cone.
- Steeply sloping cone
- Gently sloping cone
- Layered cone
- Single cone
Correct Answer

A. Gently sloping cone
6.

When a sheet of magma lies along a bedding plane it forms a structure called a
- Sill
- Laccolith
- Batholith
- Dyke
Correct Answer

A. Sill
7.

When a mass of magma cuts across bedding planes, it forms a wall-like feature called a
- Sill
- Laccolith
- Batholith
- Dyke
Correct Answer

A. Dyke
8.

Which volcanic cone is formed through this process? Lava is blown to great heights when it is violently ejected, and it breaks into small fragments which fall back to earth and build up a cone.
- Composite cone
- Shield volcano cone
- Lava cone
- Ash and cinder cone
Correct Answer

A. Ash and cinder cone
9.

This volcano 's cone was formed by viscous lava
- Mauna Loa
- Helgafell
- Mont Pelee
- Stromboli
Correct Answer

A. Mont Pelee
10.

These are made of granite and they form surface features only after they have been exposed by denudation.
- Sill
- Laccolith
- Batholith
- Dyke
Correct Answer

A. Batholith
11.

This feature forms ridge-like escarpments when exposed by erosion.
- Sill
- Laccolith
- Batholith
- Dyke
Correct Answer

A. Sill
12.

The channel through which the lava rises during an eruption is called the
- Vent
- Pipe
- Cone
- Crater
Correct Answer

A. Pipe

Quiz Review Timeline (Updated): Aug 4, 2017 +

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Current Version
Aug 04, 2017

Quiz Edited by
ProProfs Editorial Team
Feb 13, 2010

Quiz Created by
Suan Daley

Volcanic Activity

When magma emerges at the surface it is called

Quiz Preview

This type of cone is formed of alternate layers of lava and ash.

Sometimes it forms the root or core of a mountain. Which intrusive volcanic feature is this?

If magma emerges from a fissure, it may build up

A fluid lava builds a this type of cone.

When a sheet of magma lies along a bedding plane it forms a structure called a

When a mass of magma cuts across bedding planes, it forms a wall-like feature called a

Which volcanic cone is formed through this process? Lava is blown to great heights when it is violently ejected, and it breaks into small fragments which fall back to earth and build up a cone.

This volcano 's cone was formed by viscous lava

These are made of granite and they form surface features only after they have been exposed by denudation.

This feature forms ridge-like escarpments when exposed by erosion.

The channel through which the lava rises during an eruption is called the