Compression of garnet to 100 kilobars

Abstract

The compression of a natural Mg-rich garnet to pressures greater than 100 kb was studied by a high-pressure in situ X-ray powder-diffraction method. A quadratic least-squares fit to the data yields a rough value for the bulk modulus of 1750 kb. The results are in agreement with the compression data found by Takahashi and Liu (1970), who used a different high-pressure X-ray diffraction technique, and with the results of Soga (1967), who used an ultrasonic technique.