Canadian Rocks Hold Some of Oldest Evidence of Life on Earth
|09/28/2017||Posted by BusinessMediaguide.Com under General World News||
Rocky outcrops in eastern Canada contain what may be some of the oldest evidence of life on Earth, dating back about 3.95 billion years.
Scientists said on Wednesday they found indirect evidence of life in the form of bits of graphite contained in sedimentary rocks from northern Labrador that they believe are remnants of primordial marine microorganisms.
The researchers carried out a geological analysis of the Labrador rocks and measured concentrations and isotope compositions of the graphite, and concluded that it was produced by a living organism.
They did not find fossils of the microorganisms that may have left behind the graphite, a read more >>>