Two minerals never seen on Earth before were discovered in a gigantic meteorite weighing 16.5 tons, offering researchers possible clues about how the space rocks are formed.
Samples of the meteorite were taken and sent to the University of Alberta for classification, where researchers discovered the minerals. Researchers also said they may have identified a third new mineral, though it was still being reviewed. The findings were introduced at the university's Space Exploration Symposium on Nov. 21 and 22.
"Whenever you find a new mineral, it means that the actual geological conditions, the chemistry of the rock, was different than what’s been found before," Chris Herd, curator of the University of Alberta’s Meteorite Collection and professor in Earth and atmospheric sciences, said in a statement."That’s what makes this exciting: In this particular meteorite you have two officially described minerals that are new to science.
Herd knew there was something unique in the slice when he first observed it, so he called in colleague Andrew Locock, who had been involved in mineral descriptions before, the university said. The minerals had been syntheticallymade before, so Locock confirmed the new minerals by comparing the compositions of the natural and man-made minerals.
One of the minerals was named elaliite, in reference to the meteorite's name, which comes from the region it was found in Somalia. The other was named elkinstantonite, in honor of Lindy Elkins-Tanton, vice president of Arizona State University's Interplanetary Initiative and principal investigator on
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