Origin of life from apatite dating
: The presence of the ISB stromatolites ..in accord with ...life's origin in the Hadean eon. Roland Pease, BBC News | Nicholas Wade, The New York Times | . : Carbon isotopes that may point to life have been found in 4.1 billion-year-old zircon. Hints of life from 3.7 billion years ago: Scientists find signature of plankton in tiny specks of graphite within rock. Life on Earth Began at Least 3.85 Billion Years Ago, 400 Million Years Earlier than Previously Thought, Scientists Say, NASA News Release 96-230, November 6, 1996. Liquid water and cycling of elements between geochemical reservoirs had already been established by 3.9 Ga.
The way in which the story came about, meanwhile, was as dramatic and unexpected as Bill Ray's pictures.[To see more of Bill Ray's photography, visit Bill Ray.com]"I'd done a story on Big Daddy Roth," writer Joe Bride recalled, "a genuine L. phenomenon and legend in the Southern California car culture.It is a land much acclaimed for the contemporary nature of its cultural ethos, and much appreciated for the soothing, rejuvenating paradise that it is.Geographically, Kerala is a narrow fertile strip on the southwest coast of India, sandwiched between the Lakshadweep Sea and the Western Ghats.life existed on Earth more than 3850 million years ago. Holland (1) A report in Nature pushes back the date of the earliest evidence for the life on Earth. Based on the isotope ratios in carbon inclusions in apatite grains in a "banded iron" formation in Greenland, the date is now estimated as 3850 million years ago (2).