GeoSphere

Geothermal

Geology Photo of the Week #42

This week’s photo is a beautiful example of geochemistry in action. Briefly, travertine, which is composed of CaCO3 is often precipitated at hot springs as they emerge from the ground forming these gorgeous terraces. The reason for their formation is Henry’s gas law in action which states “the solubility of a gas in a liquid is …[Read More]

Geology Photo of the Week #13 – Nov 25-Dec 1

So the 13th photo of the week is this sweet as pic of boiling mud from New Zealand’s North Island. Both photos were taken by me in July of 2009. I had to stand at the ready for quite a while to try and get good pictures of the bubbles bursting and there were many …[Read More]