UK Grid Reference: NY298015
Latitude: 54°24'14"N
Longitude: 3°4'53"W
This is a small copper mine just west of the Borlase mine. It was worked around 1923/1924 by the Greenburn & Tilberthwaite Mining Co., who employed two miners from Coniston, John and Joseph Hellens after whom the mine and the vein were named. Working by hand the miners drove a level about 30 fathoms and sunk a sump from an openwork on the surface to connect with the level. However the vein was poor and very little ore was raised. A few years later the mine was reworked with a crosscut driven further down the fell but nothing worthwhile was found.
References
Coniston Copper Mines, A field Guide - Eric G. Holland (2007). Cicerone Press
Lakes & Cumbria Mines Guide - Ian Tyler (2006). Blue Rock Publications.
Mining In The Lake Counties - W.T. Shaw (1970). Dalesman Publishing Company Ltd.
Mineral List
6 entries listed. 5 valid minerals.
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