Gold!

Rainbow’s end It is an amazing and powerful image. The wide lava fountain in the caldera like a wall flower in full bloom, with the cloud of volcano seeds above, the lava flowing from the bleeding flower, slowly re-filling one of the largest holes on Earth, and the distant rainbow linking the lava, the caldera,…

The living Earth: Rocks, plumes and hot spots. Part I

The Earth is alive. Well, not really. At least it is not life as we know it. Appropriately, the origin of this expression – slightly rephrased from the original Star Trek series – is from the second-most-famous non-human in existence, Spock, referring to a living rock. It is only a small step for humankind to…