Browsing by Author "Jenkins D.M."
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Browsing by Author "Jenkins D.M."
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Jenkins D.M.; Sherriff B.L.; Cramer J.; Xu Z. (1997)A series of aluminous tremolites was synthesized at 800-850 8C and 6-13 kbar along the join Ca1.8Mg5.2Si8O22(OH)2-Ca1.8(Mg4.2Al)(AlSi7)O22(OH)2 by means of the Mg-Tscher- maks substitution. Although the amphibole yields ...
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Pavlovich M.S.; Jenkins D.M. (2003)Assessment of the glaucophane substitution, [M4]Ca + [VI]Mg ↔ [M4]Na + [VI]Al, along the Ga and F analogue of the tremolite-glaucophane join, □Ca2Mg5Si8O22F2-□Na2Mg3Ga2Si8O22F2 (= F-Ga-glauc), was conducted at 900 °C and ...
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Jenkins D.M.; Ishida K.; Liogys V.; Ghosh D. (2002)Amphiboles were synthesized from bulk compositions prepared along the join Ca1.8Mg5.2Si8O22(OH)2-Ca1.8Mg3Ga4Si6O22(OH)2 hydrothermally at 750-850 °C and 1.0-1.8 GPa, and along the join Ca2Mg5Si8O22F2-Ca2Mg3Ga4Si6O22F2, ...
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Brabander D.J.; Hervig R.L.; Jenkins D.M. (1995)A hydrothermal-analytical procedure has been developed that allows for the quantitative study of anion exchange rates in hydrous silicates. This new procedure has provided the first opportunity to quantitatively investigate ...
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Haselton H.T.; Cygan G.L.; Jenkins D.M. (1995)The following reactions have been reinvestigated in order to resolve conflicting evidence regarding tetrahedral AlSi disorder in muscovite, KAl2(AlSi3)O10(OH)2:muscovite + quartz = andalusite + sanidine + H2O ;muscovite = ...
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Jenkins D.M.; Bozhilov K.N.; Ishida K. (2003)INTRODUCTION FTIR analysis of natural and synthetic amphiboles has been High-resolution transmission-electron microscopy (HRTEM) and infrared spectroscopy (FTIR) analyses have been done on amphiboles near the join tremolite ...
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Bozhilov K.N.; Jenkins D.M.; Veblen D.R. (2004)The formation mechanisms of tremolite in a time series of hydrothermal experiments at 850 °C and 6.1 kbar were studied using transmission electron microscopy (TEM), analytical TEM, and X- ray diffraction. The starting ...
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