Igneous Rocks and Geology 101

Where do igneous rocks come from?

They form from the cooling and solidifying of magma or lava

What is magma called when it reaches the surface of the earth?

Lava

Where can igneous rocks be found?

At the bottom of the ocean and deep underground

How are tectonic plates described?

Massive sections of Earth's crust that are able to move Signup and view all the answers

What is plate tectonics?

A theory stating that Earth's crust is broken up into plates Signup and view all the answers

What is the name given to magma that reaches the surface of the earth?

Lava Signup and view all the answers

How does igneous rock formation relate to tectonic plate movement?

Igneous rock formation is linked to the movement of tectonic plates Signup and view all the answers

What is responsible for the formation of igneous rocks at the Mid-Atlantic Ridge?

Diverging tectonic plates Signup and view all the answers

In which type of tectonic plate boundary does subduction occur?

Convergent boundary Signup and view all the answers

How does magma reach the surface to form igneous rock at a divergent boundary?

By squeezing up through gaps created by the plates moving apart Signup and view all the answers

What results from the melting of the subducting plate at a convergent boundary?

Formation of igneous rocks Signup and view all the answers

Which geological feature is associated with diverging tectonic plates?

Mid-Atlantic Ridge Signup and view all the answers

What happens when oceanic crust is pushed below continental crust at a convergent boundary?

Formation of deep ocean trench Signup and view all the answers

What happens to the newly melted rock from the subducting plate at a convergent boundary?

It starts to rise toward the surface and solidifies into igneous rock Signup and view all the answers

What type of plate interaction results in extensive volcanic activity and the formation of igneous rocks in the Ring of Fire area?

Oceanic-continental plate interaction Signup and view all the answers

Igneous Rocks and Geology 101

Questions and Answers