TY - JOUR
AU - Richards, E. G.
AB - Nature Vol . 255 June 26 1975 important recent discovery. They des­ rich clinopyroxene, has recently been The past twenty-five years have proved cribe the finding of a small d.iamond developed by Pow.ell and Powell (Contr. the contrary. Although some very crystal (0.8 x 1.4 mm) in a thin section Min. Petrol., 48, 249-263; 1974). They elegant experiments have been per­ preparation of a mica-bea·ring garnet examine P-T conditions for inclusions formed and a great number of calcu­ lherzolite xenolioth from a kimberlite in diamond and for ultrabasic xeno­ lations have been carried out, .the pipe (diatreme) in Lesotho. C. F. liths in kfmberlites, and the related details, both theoretical and expe.ri­ Davidson once wrote .that "the richest studies a·re cited. Where the P-T lines mental, still prove to be very elusive. are drawn for those assemblages, they kimberlites ... ca"Hy one part diamond in 10 of rock, and the average is one int·ersect the graphite-diamond tran­ in 10' or less. So the chances of finding ~ion line at about 1,250 oc and 4.5 Diamond in a kPa. Tlhus the pressures inferred by a diamond in a th~n sec.tion are some­ Dawson and Smith are corroborated, what around the 
TI - A probe probed
JF - Nature
DO - 10.1038/255671b0
DA - 1975-06-26
UR - https://www.deepdyve.com/lp/springer-journals/a-probe-probed-MPP0Ltb1v0
SP - 671
EP - 672
VL - 255
IS - 5511
DP - DeepDyve
ER -