Rowley Hills quarries and dolerite

 

These basalts and dolerites were intruded in a hot ( >1000°C) molten state into strata of the Coal Measures and Etruria Marls late in the Carboniferous period (in Westphalian D times) as a result of major earth movements of the Hercynian mountain building episode that were occurring at this time. The magmas slowly cooled at depth and formed the hard crystalline rock that is locally called today the ‘Rowley Rag’.

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BIRUG 066_Prospect_Quarry_Rowley_1926.jpg
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PPSO967897DarbysHillQuarry.JPG
PPSO954891NewRowleyRdDudley1.jpg
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BIRUG 066_Prospect_Quarry_Rowley_1926.jpg
PeterOliver_120.jpg
PeterOliver_124.jpg
PeterOliver_133.jpg
PPSO967897DarbysHillQuarry.JPG
PPSO954891NewRowleyRdDudley1.jpg
PPSO954891NewRowleyRdDudley2.jpg
BIRUG 066_Prospect_Quarry_Rowley_1926.jpg
PeterOliver_120.jpg
PeterOliver_124.jpg
PeterOliver_133.jpg
PPSO967897DarbysHillQuarry.JPG
PPSO954891NewRowleyRdDudley1.jpg
PPSO954891NewRowleyRdDudley2.jpg
BIRUG 066_Prospect_Quarry_Rowley_1926.jpg