He and his colleagues measured the spectra of light from 15 samples of basalt, each taken from different environments here on Earth and containing a different mix of minerals. They used a computer ...
Basalt, a gray-black volcanic rock found throughout ... is published November 14 in Nature Astronomy. Understanding how minerals record the processes that created these rocks, and their ...
The high-precision Pb-Pb dating of Zr-bearing minerals and Rb-Sr dating of plagioclase and late-stage mesostasis of the low-Ti basalt yield consistent isochron ages of 2.83 Ga, indicating that ...