“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. “
The complex plumbing system beneath volcanoes has been revealed in the clearest detail ever, marking a ‘major step forward’ in our understanding of how they are formed and behave.
“When considering the fate of the element carbon and CO2, together with all their climatic connotations, it is easy to forget that they may end up back in the Earth’s mantle from which they once escaped to the surface. “
“By using artificially generated microwaves to illuminate the Earth’s surface it is possible to create images. “
“Earth is a water world, which is one reason why we are here. But when it comes to sedimentary rocks, mud is Number 1.”
“For all manner of reasons, natural springs have fascinated people since at least as long ago as the Neolithic.”
This amazing woman left behind not just the fond memories of those who knew her but stored inside her garage is an outstanding geological collection.
“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. “
“Research into the climatic effects of rock weathering has a long history, for it represents one of the major components of the global carbon cycle, as well as the rock cycle.”
“…after Caesar had been killed in the Senate on the day before, the sun’s light failed from the sixth hour until nightfall.”