an igneous rock
Most commonly just referred to as black volcanic glass. Unless you're looking for a specific type like obsidian or tachylite?
A volcanic glass such as tachylite, obsidian or palagonite.
The rock cycle is how one type of rock can be changed into another type of rock.
this mt. has a rock type of rock
Rock
granite is a type of igneous rock.
The type of rock that can be foliated and/or non-foliated is the Igneous rock.
All rock types can be formed from any other rock type.
Magma IS made of melted rock and minerals. Not what type of rock. All types of rock.
Igneus is a type of rock. Metamorphic, too. Sedimentary.
The type of rock that contains lava or magma is an igneous rock.
the type of rock made mostly from clay is the shale rock