@article{oai:nipr.repo.nii.ac.jp:00003109,
 author = {Sato, Kei and Kawasaki, Toshisuke},
 journal = {Polar geoscience},
 month = {Oct},
 note = {P(論文), The phase lelations in the system of Mg-rich garnet composition (P_1p_<75>Alm_<25>) were investigated using a piston cylinder appaiatus at 11-23 kbai and 1000-1300℃ The following mineral assemblages were obtained with decieasing pressure at 1200℃ garnet, garnet + oithopyroxene + sapphinne + quartz, orthopyroxene + sapphmne + quartz At 11 kbar the assemblage of orthopyioxene + sapphirine + quartz changed to that of orthopyroxene + sapphirine + quartz + sillimanite at a certain temperatuie between 1000 and 1100℃ The Fe-Mg distribution coefficients of coexisting garnet and orthopyioxene K_D = (X_<Mg>/X_<〓〓>)^<0p〓>(X_<〓〓>/X_<Mg>)^<cnt> was experimentally determined The new gamet-oithopyroxene geothermometet has been obtained as 7(℃) = (2387±146)/[1nK_D + (1 20±0 10)]-273 We estimated the retrogiade metamoiphic temperatures of UHT metamorphic rocks from Enderby Land East Antaictica as 812-1010℃ Our estimations matched with previous estimations based on Fe-Mg exchange and were about 200-300℃ lowei than those of previous estimations based on feldspai theimometry},
 pages = {66--79},
 title = {High-pressure and high-temperature experiments on the phase relations in the system of Mg-rich garnet composition (Prp75Alm25): Implication for the Fe-Mg partitioning between garnet and orthopyroxene},
 volume = {15},
 year = {2002}
}