Some of my geology photos
If there’s interest, I’ll post more. Click and select “View full size” (below image, R) for full resolution. I lack formal training in geology, and would greatly appreciate comments on my proposed interpretations, but find structures such as these, on every scale, at once fascinating and beautiful.
Left: schist exposure near Benalmadena, Western Malaga province. These Permian rocks have been metamorphosed at a depth of some 40 km. Recent exposure caused by westward extension of Benamadena promenade
Above, detail; Euro coin for scale (camouflaged; sorry) slightly below and left of centre. This and nearby exposures show strong deformation, white hard (silica) intrusions, with later pinkish soft (calcite) intrusions cutting across them.
Go some 500 km NE by E and we are in the Alboran sea extension zone, with the tilted and faulted Neogene marine calcite rock of Alicante (al-Lucente, the shining one), on which stands the Castle of Santa Barbara, on a promontary now raised 500 ft above the sea:
And the boulders on the coast beneath the castle, coarse limestone with shell fragments, show deformation and aggregation, as the result of recent (and ongoing) tectonic movement in this very active area.
Images by author