Tinted detail of a photo: Aerial view of steep limestone mountain ridges whose pale rock layers are tilted almost vertical, with green grassy slopes between them, a deep shadowed valley and a building with a mast on the left summit.
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Tectonics and Structural Geology

structures

Features from the field: Ripple Marks

Features from the field: Ripple Marks

Earlier this year, Ian Kane, geologist at the University of Manchester, captured the iconic snapshot shown above. The picture reveals ripples, developed due to waves and currents in the sand of White Strand (near Killard, county Clare, Ireland) right next to Carboniferous sandstone that contains ‘petrified’ ripple marks! The image is powerful, because it shows …[Read More]