eucrite
/ˈjuːkrʌɪt
/noun [mass noun] Geology
1A highly basic form of gabbro containing anorthite or bytownite with augite.
1.1 [count noun] A stony meteorite which contains no chondrules and consists mainly of anorthite and augite.
Origin
Mid 19th century: from Greek eukritos 'easily discerned', from eu- 'well' + kritos 'separated' (from krinein 'to separate').