"...UW-Madison meteorite experts Noriko Kita and Takayuki Ushikubo used
a scanning electron microscope and X-ray spectrometer to begin to
analyze the surface mineral composition of the rock. They identified the
presence of magnesium, iron, and silica-containing compounds, including
the common minerals olivine and pyroxene. They also found iron-nickel
metal and iron sulfide, which are often seen in primitive meteorites...."
Meteor fragment lands in UW-Madison geoscience department
http://www.news.wisc.edu/17969
Regards,
Eric Wichman
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