Anglezarke with Alan Diggles



The wonders of local geology on a soft, misty day in winter. Saturday, 16 November 2002.

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The Group assembled alongside the cricket ground at White Coppice (SD 620191) . Alan hands out a diagram of the area and outlines the route we are to take and the geological features we are to see; faulted Namurian, Millstone Grit Series
White Coppice - Start 		Alan leads us up the path which runs alongside the man-made channel called 'The Goyt' that feeds water to the Anglezarke Reservoir.
Pathway to White Coppice Quarry 		Alan on the rocks ahead of the group in the search for the fault running through the quarry.
In White Coppice Quarry 		A fault Breccia shows the line of the Great Hill Fault in the background. In the foreground, members search for evidence of faulting: eg slickensides.
In White Coppice Quarry
Minerals such as galena and barite can be found in debris from the fault running through the quarry.
Searching for minerals 		Our route up the flank of Anglezarke Moor took us alongside Dean Black Brook . This straight section of the brook indicates the line of the Great Hill Fault. The patch of bracken in the foreground conceals the remains of a bellpit used for mining lead. More pits can be found on the oposite hilside where the fault leaves the stream.
Dean Black Brook 		Searching for glacial erratics, of Lake District origin, in the stream bed and evidence of fossils (mainly organic material) in the fallen blocks of sandstone.
Further upstream of Dean Black Brook 		A closer examination of this bluff of siltstones and shales, with a few prominent thin bands of ironstone, was not possible without getting wet feet in the Brook!
Siltstone and shale exposure
Alan Diggles.