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Two minerals never before seen on Earth are found inside a 17-tonne meteorite

2022-11-29 17:28:16Lifestyle SHKRUAR NGA REDAKSIA VOX
Two minerals never before seen on Earth are found inside a 17-tonne meteorite
Minerals

Two minerals never seen before on Earth have been discovered inside a massive meteorite in Somalia. They may hold important clues about how asteroids form.

The new minerals were found inside a single 70-gram slice taken from the 16.5-ton El Ali meteorite, which crashed to Earth in 2020. Scientists named the minerals elaliite after the meteorite and elxinstantonite after Lindy Elkins-Tanton, director manager of Arizona State University's Interplanetary Initiative and principal investigator of NASA's upcoming Psyche mission, which will send a probe to probe the mineral-rich asteroid for evidence of how our solar system's planets formed.

"Any time you find a new mineral, it means that the current geological conditions were different from what was found before," Chris Herd, a professor in the Department of Earth and Atmospheric Sciences at the University of Alberta, said in a statement that: "That's what makes this exciting. In this particular meteorite we have two formally described minerals that are new to science."

The researchers classified El Ali as a complex iron IAB meteorite, a type made of meteoric iron compacted with small pieces of silicates. During the investigation of the meteorite slice, the details of the new minerals caught the attention of scientists. By comparing the minerals to their versions that had previously been synthesized in a laboratory they were able to quickly identify them as newly recorded in nature.

The researchers plan to investigate the meteorites further in order to understand the conditions under which their parent asteroid formed. The team is also looking at applications of minerals in materials science.

However, future scientific knowledge from the El Ali meteorite may be at risk. The meteorite has now been moved to China in search of a potential buyer, which could limit researchers' access to the space rock for investigation.


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