Three mian rocks

Mere som dette

History Concentrations

af Alex Endsley

Classifying Sedimentary Rocks

af Seto Seto

Rocks of the Earth

af Elise Low

Mulan

af Joanne Maffei

Three mian rocks

metamorphic

1.serpentinite

2.phyllite

3.migmatite

4.quartzite

5.slate

3. That little pebble may be billions of years old.

2. For example, limestone eventually can turn into marble.

1.Metamorphic means changed form

sedimentary

1.chalk

2.claystone

3.coal

5.limestone

4.greywacke

3. It means sitting rock.

2.This type of rock is formed from igneous rocks that break down into smaller pieces and fall to the ground or to the bottom of a lake or river.

1.After many years layers of these tiny pieces of rock pile on top of one another.

Igneous

5.basalt

4.obsidian

3. nepheline

2.diorite

1.tuff

3. Igneous means fire rocks.

2. Some are billions of years old! Rocks come in many sizes.

1.Magma is the heart of any igneous rock.