Image: Croft Quarry - geograph.org.uk - 681324
Description: Croft Quarry The quarry can turn out up to 2 million tonnes of granite (granodiorite) per year. It was formed about 500 million years ago from molten igneous materials deep in the earths crust. In 1995 planning permission was given to the quarry to take 45 million tonnes of material away. At the current extraction rate this will take over 20 years. When this is done the quarry will be doubled in depth, eventually being 160m below sea level at its deepest point.
Title: Croft Quarry - geograph.org.uk - 681324
Credit: From geograph.org.uk
Author: Mat Fascione
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
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