Channel flow – hot rocks, big glaciers and the world’s tallest mountains

Leonardo da Vinci, famed artist and Renaissance “Renaissance Man” made some interesting remarks about Geology. When he looked at rocks in the Alps containing fossil molluscs, it was clear to his trained eye that the fossils were near identical to shells formed by creatures in the sea. That fossils are the remains of ancient creatures… Continue reading Channel flow – hot rocks, big glaciers and the world’s tallest mountains

Geology and life in the English ‘Coal Measures’

The geology of the North of England is where our modern industrial civilisation was born, based on the burning of fossil life. I’ve wanted to write about the fascinating geology I grew up with for a while. I’ve been spurred into action by Accretionary Wedge #46 where Cat asks us to write about “Geology, Life and Civilization”. The… Continue reading Geology and life in the English ‘Coal Measures’

Hot rocks, big rivers and the world’s tallest mountain face

In areas of active mountain-building the middle crust can get hot and weak, like a soft jam/jelly filling in a sandwich.  These squishy rocks are hidden from us by the cold rigid upper crust, so we wouldn’t expect to see them reach the surface, would we? Well, what happens if you overfill a sandwich and… Continue reading Hot rocks, big rivers and the world’s tallest mountain face