Dough mixing vats and millstones from Roman-era ruins of Volubilis were made from specific rock types that probably improved each tool’s function.
“On 14-15 August 2021 it rained for the first time since records began at the highest point on the Greenland ice cap.”
“Could this be a fishy fossil?”
“This highly complex process is wonderfully documented in an animation made in 2015 by Christopher Scotese, Emeritus Professor in the Department of Earth and Environmental Sciences, Northwestern University, USA. “
“The idea that the Earth was like a giant snowball during the Neoproterozoic Era arose from the discovery of rocks of that age that could only have formed as a result of glaciation. “
Mantle rock in the Oman ophiolite, showing cores of fresh peridotite, brownish serpentinite and white carbonate veins (credit: Juerg Matter, Oman Drilling Project, Southampton University, UK)
Polygonal blocks or ‘campuses’ on the lowland surface of Venus. Note the zones of ridges that roughly parallel ‘campus’ margins. Credit: Paul K. Byrne, North Carolina State University and Sean C. Solomon, Lamont-Doherty Earth Observatory
On 4th of July 1785, Scottish geologist James Hutton presented his paper on uniformitarianism at a meeting of the Royal Society of Edinburgh.
“In 2000, atmospheric chemist and Nobel Laureate Paul Crutzen suggested that the increasingly clear evidence that human society is having growing impacts on the Earth system should be recognised by a new stratigraphic Epoch. “
Geological map of part of the Italian Alps (Credit: M. Assanelli, Universita degli Studi di Milano)