高压超高压变泥质岩适用的地质温压计评述

Review on geothermobarometers for(ultra) high-pressure metapelites

高压超高压变泥质岩形成温压条件及p-T演化轨迹是高压超高压变质作用研究的重要内容。本文介绍了高压超高压变泥质岩适用的几种地质温压计,包括石榴子石-多硅白云母Fe^(2+)-Mg交换温度计、石榴子石-绿泥石Fe^(2+)-Mg交换温度计、硬绿泥石-绿泥石Fe^(2+)-Mg交换温度计、多硅白云母Si含量压力计、金红石Zr含量温度计、榍石Zr含量温压计、锆石Ti含量温度计、石英Ti含量温度计以及氧同位素温度计,并对上述温压计的适用条件及使用时的注意事项做了简要评述。

p-T conditions and p-T paths of （ultra） high-pressure metapelites are important aspects in the study of （ultra） high-pressure metamorphism. This paper introduces several kinds of geothermobarometers applicable to （ ul- tra） high-pressure metapelites, which include the garnet-phengite Fe^2＋ -Mg exchange geothermometer, garnet-chlo- rite Fe^2＋-Mg exchange geothermometer, chloritoid-chlorite Fe2＋-Mg exchange geothermometer, Si-in-phengite geo- barometer, Zr-in-rutile geothermometer, Zr-in-titanite geothermobarometer, Ti-in-zircon geothermobarometer, Ti- in-quartz geothermobarometer and oxygen isotope geothermometer. In addition, a review is given concerning the ap- plicable conditions and points for attention in use of the above geothermobarometers.