搜索结果: 1-6 共查到“地质学 cummingtonite”相关记录6条 . 查询时间(0.041 秒)
Hydrothermal synthesis of amphiboles along the tremolite-pargasite join and in the ternary system tremolite-pargasite-cummingtonite
Hydrothermal syntheses remolite-pargasite join ternary system tremolite-pargasite-cummingtonite
2012/4/1
We report here an investigation of amphibole synthesis within the ternary system Ca Mg Si O (OH) -
Mg Al Si O (OH) -Mg Si O (OH) (= TR-PG-MC) to define better the limits of solid solution
for amphi...
Unusual M3+ cations in synthetic amphiboles with nominal fluro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component
composition stoichiometry Unusual M3+
2012/3/30
Single-crystalstructure-re?nementandelectron-microprobeanalysisofsyntheticam-
phiboleswithnominal?uoro-eckermannitecompositionanddifferenttrivalentcations(Al,3 3 3
Sc,Ti,V ,Cr ,Ga,)showsigni?cantdev...
High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P21/m phase transition in cummingtonite
High-pressure single-crystal X-ray diffraction spectroscopic studies C2/m-P21/m phase transition cummingtonite
2012/3/31
The structural changes associated with the C 2/ m - P 21/ m phase transition in cumming-tonite with (Fe 1 Mn)/(Fe1 Mn1 Mg) ┆ 0.50 have been studied with single-crystal X-ray diffraction at various pre...
Analytical electron microscopy of nanometer-scale hornblende lamellae: Low-temperature exsolution in cummingtonite
Analytical electron microscopy nanometer-scale hornblende lamellae: Low-temperature cummingtonite
2012/4/6
Compositionalpro?lesacrosshostareasweremeasuredtohelpinterprettheunexpected
chemistriesofthenanometer-scalediscs.Apro?leacrosstheprecipitate-freezonebetween
acoarsehornblendelamellaandagroupofnanome...
Mutual exsolution in hornblende and cummingtonite: Compositions, lamellar orientations, and exsolution temperatures
Mutual exsolution hornblende cummingtonite Compositions lamellar orientations exsolution temperatures
2012/4/6
Exsolvedpairsofhornblende and cummingtonite from two localities in southern New England, U.S.A.,have been studied using transmission electron microscopy(TEM) to measurethe crystallographic orientation...
Crystal structure of a P21/m ferromagnesian cummingtonite at 140 K
Crystal structure P21/m ferromagnesian cummingtonite
2012/4/5
Wereport a structure refinement ofaP2/m ferromagnesian cummingtonite crystal with Fe/(Mg + Fe)=0.37 at 140K;this crystal wasinverted from the C2/m structure, which is stable at room temperature. Theph...