Dolerite

1.

A dark, crystalline, igneous rock, chiefly pyroxene with labradorite.

2.

Coarse-grained basalt.

3.

Any dark, igneous rock composed chiefly of silicates of iron and magnesium with some feldspar.

អត្ថន័យផ្សេងទៀត

1.

Diabase