Igneous Rocks

Extrusive igneous rocks have ___________ crystalline texture.

part of a rock made of different substances with a crystalline structure (quartz, feldspar)

a scientist who studies rocks

the expression that means we can see something with our eyes without the help of a magnifying glass or microscope

Basalt is an example of _________ _________ rock.

molten rock that breaks through the Earth's surface

cooling time of extrusive igneous rocks

Intrusive igneous rocks have ___________ crystalline texture.

an igneous rock that has formed from lava cooling down on the surface of the Earth

Granite is an example of _________ _________ rock.

the process where liquid magma or lava cools down to become solid rock

cooling time of intrusive igneous rocks

molten rock that is underground

the particular shaped structure of a mineral

an igneous rock that has formed when magma cools down inside the Earth's crust

the adjective for crystal