“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)
“How inselbergs and their surrounding plains formed has long been a hot topic in tropical geomorphology.”
“Plate tectonics is easily thought of as being dominated by continental drift, the phenomenon that Alfred Wegener recognised just over a century ago.”
The International Ocean Discovery Program (IODP) and International Continental Scientific Drilling Program (ICDP) began drilling into the focus of the Chicxulub impact structure off the Yucatán Peninsula, Mexico in 2016.
“Combined with the highly precise growth-ring dating, the climatic changes over the 1700 year lifetime of the kauri tree can be linked to other records of environmental change. “
Researchers have found the chemical remnants of the magma ocean in 3.6-billion-year-old rocks from southwestern Greenland.
Dr Frankie Dunn a paleontologist and Research Fellow at Oxford University Museum of Natural History and Merton College presented ‘On the Dawn of the Cambrian Explosion of Life: The Scottish fossil evidence’.
“rocks of Archaean age form a very small proportion of the Earth’s continental surface, the bulk having been buried by younger rocks.”
“Ultimately, the source of free oxygen in the Earth System is photosynthesis, but that is the result of a chemical balance in the biosphere and hydrosphere that operates at the surface and just beneath it in sediments. “