Graham Eaton / En echelon tension (or parallel) cracks in Carboniferous age turbidite sandstones, Bude, Cornwall, UK, May. The tension cracks have formed in the more competent sandstones as the rocks were folded. T...
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Graham Eaton / En echelon tension cracks in limestone, forming a shear zone. The mineral crystals grow perpendicular to the crack indicating how the rock has been pulled apart, Clovelley, Devon, UK. January, 2022.
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Graham Eaton / Echelon tension cracks in limestone, forming a shear zone, with mineral crystals grow perpendicular to the crack indicating how the rock has been pulled apart. Clovelly, Devon, England. January, 2022.