Geology

The picture shows the angular discordance between Upper Carboniferous Slates, deposited about 310 million years ago in the former Rheic Ocean, and Upper Triassic coarse [...]

The picture above of the coast north of Cabo de São Vicente shows geological rock formations which cover a time span of about 120 million [...]

This geological map of the Algarve basin (sources: Rosendahl, 1985, Lopes, 2006) shows the distribution of different rock types and their ages, as well as [...]