“Development of depleted and viscous sub-continental mantle on the early Earth – a precedes b – TTG signifies tonalite-trondhjemite-granodiorite rocks typical of Archaean cratons (Credit, Capitanio et al.; Fig 5)”
Mars used to be a wet world, as evidenced by rock records of lakes, rivers, and glaciers.
” the swamps and river systems that immediately followed the last ice age have become known collectively as Doggerland.”
“during the last century the North American capitalism shifted as much sediment as would be moved naturally in between 700 to 3000 years.”
A landmark study led by the University of Aberdeen has provided the clearest ever picture of ancient weather patterns in Europe – and could improve models used to predict how climate change will affect the Continent in future.
“Long regarded as a microcontinental fragment left when India parted company with Antarctica – based on isolated occurrences of gneisses – there is evidence that during the formation of the Kerguelen LIP the basalts rose above sea level. “
The Olorgesailie Basin in Southern Kenya is possibly the world’s richest source for evidence of ancient stone-tool manufacture.
“How did what seems to be a ‘golden spike’ in human culture first take material form in Olduvai?”
Professor Rennie’s lecture is now on YouTube for The Between Islands Project.
“The authors suggest that the oxygen depletion stemmed from extreme global warming, which, in turn, encouraged methane production by other ocean-floor bacteria and, in a roundabout way, other chemical reactions that consumed free dissolved oxygen. “