Photo Gallery
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Mar 2014 - Dudley
Barrow Hill Volcanics
Tansey Green Nature Reserve - old clay quarry with spoil heaps from coalfield behind lake Etruria Marl clay quarried for bricks until 1990s
East Quarry (SW section) rock quarried for local buildings and then used to pave streets of Birmingham in 19th Century
East Quarry - Local siliceous clay (Etruria Marl) metamophosed by the dolerite intrusion - reddish-brown colouration. Olivine dolerite beneath. SW side of disused quarry; section about 5' high
East Quarry - "Black Country equivalent of the Giant's Causeway" - hexagonal dolerite columns Part of the feeder network of volcanic pipes - evidence of slow cooling of the magma (1100-1200 deg C)
Tansey Green Nature Reserve - old clay quarry with spoil heaps from coalfield behind lake Etruria Marl clay quarried for bricks until 1990s
Tansey Green Quarry - searching for fossils in the ash - earliest fossils of modern fir trees found here - dated to 306Mya
St Marks Church, Pensnett - built 1849 - Silurain sandstone - known locally as the "Cathedral of the Black Country"
Sandwell - Rowley Hills formation - Blue Rock Quarry - Rowley Rag (dolerite) used as building stone 200yrs ago
Blue Rock Quarry - Rowley Rag - onion-skin weathered dolerite (very dark when first exposed; weathers to a yellow onion-peel texture)