When stars explode, supernova-style, the explosion sets off streams of high energy particles across the universe, mainly protons and alpha particles, that after millions of years reach us here on Earth. Secondary cosmic rays pass through our bodies and almost everything around us, and they penetrate a few meters into the ground where they interact with atoms in soil and rock. This produces new iso ...[Read More]
Imaggeo On Monday: The Papingo’s rock pools
The Papingo’s rock pools are located at the mountainous area of Epirus in northwestern Greece, at an altitude of 980 meters. The Rogovo stream, over the years, has eroded the limestone rocks creating a complex of water falls and cavities (natural rock pools) with clear and cold running water, which the locals call “ovires”. Photo by Athanasios Serafeim, as described on imaggeo.egu.eu. ...[Read More]
Imaggeo On Monday: Ninepin Group: the spectacular hexagonal columns
The picture shows the world’s rarest hexagonal rhyolitic volcanic rock columns on the northern island of the Ninepin Group in the easternmost waters of Hong Kong. These rocks columns are believed to form about 140 million years ago after a major volcanic eruption near Sai Kung. When the volcanic ash and lava slowly cooled down, joints and cracks started to develop on the surface and then extended ...[Read More]
Imaggeo On Monday: Glimpse of the Ranns of Kachchh, India
The Rann of Kachchh is a saline marshland located in the western part of India. This climatically arid, salt-covered mudflat was once home to one of the largest settlements of the Indus Valley Civilization in India. The UNESCO world heritage archaeological site of Dholavira is now located in the heart of the salt desert. Photo by Fulmati Ram, as described on imaggeo.egu.eu. Imaggeo is the E ...[Read More]