搜索结果: 1-7 共查到“矿床学与矿相学 New Data”相关记录7条 . 查询时间(0.081 秒)
Hydrothermal studies have failed to yield synthetic attapulgite or sepiolites in the system MgO-AI~O3-SiOr-H~O. However, the natural minerals can be decomposed to yield montmorillonoids by mild hydrot...
Compressibility mechanisms of alkali feldspars: New data from reedmergnerite
New data pressue reedmergnerite
2012/3/30
Structuralandvolumecompressibilitydataforreedmergnerite,NaBSi O ,wereobtained3 8
bysingle-crystalX-raydiffractionatpressuresupto4.7GPa.Thebulkmoduluswas
determinedtobe69.8(5)GPawiththepressurederiva...
Trace element analysis with the electron microprobe: New data and perspectives
electron microprobe element analysis
2012/3/30
Thisworkpresentsaproceduredevelopedfortraceelementanalysisusingtheelectron
microprobe(EMP).Themethodisdemonstratedbyanalysisofsevenglassesprepared
fromreferencerockpowders,withcompositionsofgranite,...
Gordaite [Zn4Na(OH)6(SO4)Cl6H2O]: Second occurrence in the Juan de Fuca Ridge, and new data
Gordaite [Zn4Na(OH)6(SO4)Cl6H2O] Second occurrence Juan de Fuca Ridge
2012/4/1
A hydrous zinc- and sodium-rich hydroxy-chlorosulfate, discovered in a sulfide sample collected by the Deep Sea Recovery Vehicle (DSRV) Alvin in 1984, is identified as gor-daite, Zn4Na(OH)6SO4Cl·6H2O,...
New Data and a Revised Structural Model for Ferrihydrite
Crystal structure Ferrihydrite Iron Magnetic susceptibility Surface area Synthesis Thermal analysis Transmission electron microscopy X-ray absorption edge spectra
2012/1/9
Synthetic 2-line and 6-line ferrihydrite samples prepared from ferric nitrate solutions have the bulk compositions Fe4(O,OH,H20)12 and Fe4.6(O,OH,H2O)12, respectively. The composition depends on cryst...
Properties of the Zeolite, Faujasite, Substitutional Series: A Review with New Data
Properties Zeolite Substitutional Series New Data Review
2012/2/15
New information is presented relating to the hydrothermal stability, lattice parameters, and adsorptive, electrical, and catalytic properties of synthetic and natural faujasite. Present concepts conce...
Tosudite from the Takatama mine is found as an alteration mineral of the wall rocks (tuff and tuffaceous sediments of Tertiary age) of gold-silver-quartz veins. A specimen free from impurities was obt...