Friday, 21 June 2013

The Giant's Causeway

Giant's Causeway. Looking SE. Columnar jointing in tholeiitic basalt. The columns are usually from five to seven sided with ball and socket cross-joints.  Old photograph number:  NI00708
BGS image ID: P006483
Giant's Causeway. Looking SE. Columnar jointing in tholeiitic basalt. The columns are usually from five to seven sided with ball and socket cross-joints. 
Old photograph number: NI00708

Giant's Causeway. Looking SE. Columnar tholeiitic basalt, showing ball and socket cross-jointing. The cross-joints are upward and downward facing in apparently random pattern. Old photograph number:  NI00706
BGS image ID: P225384
Giant's Causeway. Looking SE. Columnar tholeiitic basalt, showing ball and socket cross-jointing. The cross-joints are upward and downward facing in apparently random pattern.
Old photograph number:  NI00706
Giant's Causeway. Looking N. The Middle Causeway. Columnar tholeiitic lava. Old photograph number:  NI00710
BGS image ID: P225386
Giant's Causeway. Looking N. The Middle Causeway. Columnar tholeiitic lava.
Old photograph number:  NI00710

Bob McIntosh

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