منابع مشابه
Low Temperature Hydrothermal Synthesis from Dolomite or Calcite, Quartz and Kaolinite
Dolomite or calcite, quartz and kaolinite in various proportions were reacted at 250-300~ temperatures and pressures up to 90 bars in a hydrous environment. Reactions which approached completion produced talc, calcite, montmorillonite, anorthite (both metastable hexagonal and stable triclinic polymorphs) and the rare Ca-zeolite, garronite. These reactions are applicable to diagenesis, low-grade...
متن کاملRelative Shock Effects in Mixed Powders of Calcite, Gypsum, and Quartz: a Calibration Scheme from Shock
Introduction: The shock behavior of calcite and gyp-sum is important in understanding the Cretaceous/Tertiary event and other terrestrial impacts that contain evaporite sediments in their targets. Most interest focuses on issues of devolatilization to quantify the production of CO 2 or SO 2 to better understand their role in generating a temporary atmosphere and its effects on climate and biota...
متن کاملShock Compression of Crustal Rocks' Data for Quartz, Calcite, and ?lagioclase Rocks
ttugoniot data in the 4to 250-kb stress range were obtained for quartzite and novaculite, sandstones of varying porosity, single-crystal calcite, marble, porous and nonporous limestone, several plagioclases of varying composition, and a basalt. Conventional plane-wave, in-contact explosive assemblies were used; the shock state was computed from measured shock velocities; particle velocities are...
متن کاملShock Compression of Crustal Rocks: Data for Quartz, Calcite, and Plagioclase Rocks
ttugoniot data in the 4to 250-kb stress range were obtained for quartzite and novaculite, sandstones of varying porosity, single-crystal calcite, marble, porous and nonporous limestone, several plagioclases of varying composition, and a basalt. Conventional plane-wave, in-contact explosive assemblies were used; the shock state was computed from measured shock velocities; particle velocities are...
متن کاملScattering of pulsed plane wave from a symmetrical groove doublet configuration.
We have provided theoretical study on the spectral and temporal properties of the scattering of pulsed plane wave from a symmetrical groove doublet configuration. Based on the numerical calculation results, we show that the spectrum and the waveform of the scattered field are sensitive to the shape of the rectangular grooves when the grooves are deep enough. In both spectral and temporal domain...
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ژورنال
عنوان ژورنال: Nature
سال: 1900
ISSN: 0028-0836,1476-4687
DOI: 10.1038/063127d0