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Wow - look at these! "We've reached the 'collonade chamber' in Lancaster Pot." "These are some of the best calcite formations in the country. They are over 5 metres high." "They are formed when drops of water containing dissolved limestone drip from the roof of the cave. When the drop falls or evaporates in the air it leaves behind a tiny amount of Limestone called Calcite." "Just like sugared water will leave dry sugar when it evaporates, drips in a cave leave crystals of Calcite." "Only this takes much, much longer!"
No sign of Mr Robinson's dad.
"We'll have to keep going down" |