kc13 part 1 [Its Formation]
Over 340 million years ago the Torquay limestone was formed by the deposition (laying, down) of dead coral reef material.
About 270 million years ago it was affected, along with other rocks, by mountain-building processes (folding, faulting, earthquakes + volcanoes).
Many faults (cracks + joints) were formed which later allowed water to pass freely through the limestone.
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|Publisher||Torbay Library Services|
|Source||Torbay Library Services|
|Subject||Torquay. Cave. Schools information pack|
|Keywords||schools worksheet workpack handouts interpretation geology|