Igneous Rocks- Tuesday- Manuel

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The rock appears to be coarse-grained

Intrusive rock

The rock appears to be fined- grained

Intrusive rock

The rock has a high amount of silica.

Intrusive rock

The rock is light in color

Intrusive rock

The rock is rich in silica

Intrusive rock

The rock shows an interlocking texture of crystals

Intrusive rock

There are well-defined crystals

Intrusive rock

The crystals in the rock are small or impossible to see with the unaided eye

Extrusive rock

The escape of gas and rapid cooling leaves holes in some rocks

Extrusive rock

The rock has a low amount of silica

Extrusive rock

The rock has a rough texture and has holes in it

Extrusive rock

The rock is darker in color

Extrusive rock

The texture of the rock is smooth like glass.

Extrusive rock

There are no apparent crystals

Extrusive rock

There might be some quartz present in the rock

Extrusive rock


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