Dear Listers:
Also the K -type chondrites should also be considered:
The Kakangari (India 1890 fall), LEWIS CLIFF 87232 (Antarctica,
1987 find), and the Lea County 002 (New
Mexico, 1988 find) K Chondrites have a similar set of petrologic
and oxygen isotopic characteristics that
distinguishes them from other chondrite groups. They here
established to constitute a single chondrite
grouplet--the K Chondrites (named after the Kakangari chondrite
which fell in India June 4, 1890).
K Chondrites are not affiliated with any of the three--E, O, or
C--chondrite classes but have some characteristics that
are similar to those of each class. Their characteristics also do
not fit the concept that the petrologic and chemical
properties of chondrite groups are a smooth function of formation
at specific heliocentric distances from the sun.
Chris. Spratt
Victoria, BC
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