Witnessed Fall: February 10, 2002
nomads in the border region of Morocco and Algeria attest to a
of many individual stones on February 10, 2002. Total weight is estimated to be in excess of 45 kg.
stones (up to 9.2 kg) are very pale grey with a glistening black fusion
Classification and mineralogy (A. Irving and S. Kuehner, UWS):
fine grained monomict breccia composed of olivine (Fa31.6,
60.0), orthopyroxene (Wo3.5Fs24.3, FeO/MnO =
clinopyroxene, and sodic plagioclase with subordinate Ni-rich Fe-Ni
troilite and chromite. Sparse chondrules are present. Oxygen isotopes
Rumble, CIW): analyses of two whole rock fragments by laser
gave d18O = +5.3 ±
d17O = +4.0 ± 0.1, ?17O
= +1.20 ± 0.01‰.
Bensour 1.86 gram
Bensour .83g individual - NOT FOR SALE
Bensour .77g end cut