The interpretation of seismological models for the Earth's lower mantle in terms of chemical composition and temperature is sensitive both to the details of the methodology employed and also to uncertainties in key thermoelastic parameters, especially for the dominant (Mg, Fe)SiO 3 perovskite phase....
Earth mantleequations of stategeochemistrymineralsshear modulusterrestrial heat/ lower mantle reference temperaturelower mantle compositionlower mantle geotherm1D seismic modelsWe aim to constrain the lower mantle geotherm and average composition from 1D seismic models and experimental mineralogy data, explicitly...
D Zhao,S Maruyama,S Omori - 《Gondwana Research》 被引量: 453发表: 2007年 Temperature profile in the lowermost, mantle from seismological and mineral physics joint modeling. The internal structure of the core-mantle boundary ((MB) region of the Earth plays a crucial role in controlling the ...
Atlantic Ocean, body of salt water covering about one-fifth of Earth’s surface and separating the continents of Europe and Africa to the east from those of North and South America to the west. Its name, derived from Greek mythology, means the ‘Sea of A
Because of Pluto’s remoteness and small size, even the besttelescopeson Earth and in Earth orbit could resolve little detail of its surface. Indeed, for decades, such basic information as its radius and mass had been difficult to determine. It was not until Pluto was visited by the U.S....
Stability of phlogopite at high pressures and possible presence of phlogopite in the earth's upper mantle High-pressure experiments have been made on the stability of natural and synthetic phlogopites by the tetrahedral-anvil type high-pressure apparatus in the pressure range from 41 to 96 kb (ki...
High-temperature phase transition and dissociation of (Mg, Fe)SiO_3 perovskite at lower mantle pressure To study the crystallography of Earth's lower mantle, techniques for measuring synchrotron x-ray diffraction from a laser-heated diamond anvil cell have be... C Meade,HK Mao,J Hu - 《Scien...
(or sagduction) of the uppermost crust in an ultrahot orogen setting brought shales and greenstones to the lower crust. Ultrahigh temperature (UHT) conditions are the result of high mantle potential temperatures and self- heating by the radioactive inventory of the subducted lithologies. ...
Physics of the Earth & Planetary InteriorsLi, B., and J. Zhang (2005), Pressure and temperature dependence of elastic wave velocity of MgSiO3 perovskite and the composition of the lower mantle, Phys. Earth Planet. Inter., 151(1), 143-154, doi:10.1016/j.pepi.2005.02.004....
篇名P-Wave Velocity in Rocks of Dabieshan, China at High Pressure and High Temperature: Constraints for Composition of Lower Crust and Crust-Mantle Recycling 来源期刊中国地质大学学报(英文版)学科地球科学 关键词 年,卷(期)1999,(4)所属期刊栏目 ...