GeoPicture of the Week: 300 ft (100 m) high wall found in Bolivia with over 5000 dinosaur footprints, in over 462 discreet trails

This wonderful picture is so full of geology it makes my head spin. If you zoom in on the picture (higher resolution here) you’ll see the dinosaur footprints – there’s over 400 discreet trails. a huge number; the natural question after this, of course is how did they end up sideways ?

This rock is part of the Andes mountain range system. The mountains are created by magma rising up though the continental plate (south America) – magma of different densities is separated, and lighter, hotter magma rises to the surface; during its rise, it also pushes up anything it encompasses – in this case, the wall with dino footprints.