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Marcie believes that she has found a piece of obsidian. What causes obsidian to form?
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Marcie believes that she has found a piece of obsidian. What causes obsidian to form?

User Fabian Lauer
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2 Answers

3 votes

Answer:

Quick cooling of Lava

Step-by-step explanation:

such as: Water being poured, or cold climate

User Subhash Dike
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Obsidian is formed from quickly cooled lava, the formation of obsidian to occurs when felsic lava flow or volcanic dome or when lava cools during sudden contact with water or air.
User Vahid Ghadiri
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