Noticias en ‘Geology’

December 21st, 2007

The biggest waterfall in geological history

Excellent post from Steve on the forum “Some 5.5 million years ago the force of Africa colliding with Europe, closed the straits of Gibraltar, sealing off the Med, which then evaporated over 2000 years. The straits were then breached by the Atlantic and the basin filled up again over 100 years. This happened many times and resulted in massive salt accumulations. The Nile and Rhone created deep canyons as they cut down to the deep desert basin than had once been the Med” Read complete post Also watch this video.

Earthquakes in the Iberian Peninsula

I came acrosss this interesting map from the Instituto Geográfico Nacional  of earthquakes in the Iberian Peninsula in the last ten days equal to above 1.5. As the image is a feed, what you’re seeing is updated (every day I think). Click here for a list of earthquakes with details of location and intensity. More on earthquakes in Spain

earthquakes iberia

Spanish mercury mining

New page on IbNat on Spanish mercury mining. The Almadén deposits account for the largest quantity of liquid mercury metal produced, historically, in the world.

Spanish Caves

I’ve put together this short guide to caves in Spain. I will be adding more material soon. Below la Torca del Carlista in the Basque Country, the largest cavern in Europe. Only currently accessible to expert cavers.

Torca del Carlista

Photo of the Torca del Carlista

Glaciers of Iberia

The main page iberianture page on Glaciers of Spain is here

Tsunamis in Iberia

I put together this short piece on Tsunamis in Portugal and Spain