Quote:
An ancient meteorite and high-energy X-rays have helped scientists conclude a half century of effort to find, identify and characterize a mineral that makes up 38 percent of the Earth.
http://www.geologytimes.com/research/Earths_most_abundant_mineral_finally_has_a_name.asp
An ancient meteorite and high-energy X-rays have helped scientists conclude a half century of effort to find, identify and characterize a mineral that makes up 38 percent of the Earth.
http://www.geologytimes.com/research/Earths_most_abundant_mineral_finally_has_a_name.asp