It was worked between circa 3000 BC and circa 1900 BC, although production may have continued well into the Bronze and Iron Ages owing to the low cost of flint compared with metals. Flint was much in demand for making polished stone axes in the Neolithic period.
Much later, when flint had been replaced by metal tools, flint nodules were in demand for other uses, such as for building and as strikers for muskets.
Aerial view of the Neolithic site at Grimes Graves.
Antler picks, axes and arrow heads where found in the pit shafts.
Inside Pit 1
Typical pit shaft in search of the hardest black flint stone.
Other Neolithic mine shafts.
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