Discover how rocks transform over millions of years
Formation: Cooled magma or lava
Examples: Granite, Basalt, Obsidian
Features: Crystalline, no layers
Formation: Compressed sediments
Examples: Sandstone, Limestone, Shale
Features: Layers, may contain fossils
Click on any process arrow to learn how rocks transform from one type to another. Each transformation takes millions of years!
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If a granite rock is buried deep underground near a subduction zone, what type of rock might it become? Why?
Run each scenario. Which transformations take the longest? Which rock type can become any other type directly?
How does the rock cycle connect to plate tectonics? Where do the heat and pressure come from?
As you explore Rock Cycle G7 C7 W1, record what you notice: