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What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
What type of rock is volcanic glass?
Siliceous volcanic glass is also known as obsidian.
What type of volcanic rock is closest to the crater?
The type of volcanic rock closest to the crater is typically the youngest and freshest in composition. This rock is referred to as volcanic glass or obsidian, which forms when lava cools rapidly with minimal crystal growth. It is commonly found near the crater due to its recent eruption and proximity to the volcanic activity.
What is a mixture of volcanic glass and organic matter?
A rock.
Is volcanic glass an intrusive or extrusive igneous rock?
Volcanic glass is an extrusive igneous rock. It forms when molten lava cools quickly on the Earth's surface, preventing the formation of crystals.
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
Does an obsidian rock have minerals you can see with magnification?
No, obsidian is volcanic glass.
What is the igneous rock obsidian often called?
It is commonly called "volcanic glass".
What volcanic glass is caused by pockets of gas?
Pumice is a volcanic glass that is formed from frothy lava that traps gas as it cools, resulting in a light and porous rock.
What rock group does obsidan belong to?
Obsidian falls under the group of Extrusive Volcanic Rock of very fine texture. Obsidian is generally called Volcanic Glass.
What is a mixture of minerals organic matter volcanic glass or other materials called?
this is a rock .
