ureilite

ureilite

[yə′rē·ə‚līt]
(geology)
An achondritic stony meteorite consisting principally of olivine and clinobronzite, with some nickel-iron, troilite, diamond, and graphite.
References in periodicals archive ?
The recovery team made history when they found the first-ever freshly fallen mixed-composition, or polymict ureilite.
Other Ames researchers showed the ureilite fragments contained widely varying amounts of the minerals called olivine and pyroxene.
It's plotting in a region of oxygen isotope space where we've never had meteorite data points before-except for a few ureilites, which also have oddball chemistry," he said.