Almahata Sitta is No More Exotic Than any Other Polymict Ureilite
Goodrich C. A., Bottke W. F., Walsh K. J., Daly R. T.
52nd Lunar and Planetary Science Conference (2021), Abstract #1331
“Almahata Sitta (asteroid 2008 TC3) and typical polymict ureilites most likely formed in the same regolith on a ureilitic rubble pile.”