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a rock texture in between fine and coarse
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
a rock texture that has large grains that are easy to see with our eyes
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
igneous rock that forms when lava erupts onto Earth's surface
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
Obsidian is often called this because it looks like glass
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
the chemical makeup of a rock; describes either the minerals or other materials in the rock
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
igneous rock that forms from magma that pushes into surrounding rock below Earth's surface and then cools
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
rocks that form when hot liquid rock cools and hardens
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
molten or melted rock that reaches the Earth's surface
volcanic glass
medium-grained
lava
composition
igenous
coarse-grained
intrusive igneous rock
extrusive igneous rock
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