
“For all manner of reasons, natural springs have fascinated people since at least as long ago as the Neolithic.”
“For all manner of reasons, natural springs have fascinated people since at least as long ago as the Neolithic.”
“The Late Devonian is generally accepted to be one of the ‘Big Five’ mass extinction events”
” Cooling to near-glacial climates was astonishingly rapid, on the order of a few decades at most. “
“Twice in the Cryogenian Period of the Neoproterozoic, glacial- and sea ice extended from both poles to the Equator, giving ‘Snowball Earth’ conditions. “
“East Africa is traversed from the Afar Depression in the north to Malawi in southern Africa by several great depressions bounded by active normal fault systems: grabens in the old terminology. “
“The background to what has become ‘our time’ is not only climate change, but massive shifts in sea level and the outlines of the continents.”