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3.1 - Limestone

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  • ✓State that limestone is composed mainly of calcium carbonate (CaCO₃).
  • ✓Explain that limestone is weathered by carbonation.
  • ✓Explain that limestone is a permeable rock (water can pass through it).
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💡Engage
Limestone is like a ‘sugar cube’ rock: it looks solid, but water can sneak in, dissolve it, and create hidden tunnels. Some of the Caribbean’s most famous landscapes, caves, sinkholes and dry valleys start with one quiet process: carbonation.
💡Engage
💡Engage

Before today, had you studied limestone in school?

💡Engage
Limestone can vanish in one place, then reappear as dripstone (stalactites and stalagmites) in a cave! Example: In places such as Jamaica, Barbados and the Bahamas, limestone landscapes are common and strongly influence water supply and landforms.
💡EngageQuestion 10 of 32

Which statement do you think best describes limestone?

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💡Engage
Limestone is like a ‘sugar cube’ rock: it looks solid, but water can sneak in, dissolve it, and create hidden tunnels. Some of the Caribbean’s most famous landscapes, caves, sinkholes and dry valleys start with one quiet process: carbonation.
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Next: 3.2 - Caves and Limestone Features →
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