The quarry floor. The holes
in the left foreground were left by the removal of millstones by the Romans.
The rest of the quarry has been worked by circular saw in the 20th century,
leaving flat surfaces.
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The quarry floor. The holes
in the left foreground were left by the removal of millstones by the Romans.
The rest of the quarry has been worked by circular saw in the 20th century,
leaving flat surfaces.
|
|
The Pliocene beach deposits formed at sea level, but are now exposed several metres above sea level. Explain this.
Page © ; last updated 30 September, 2003