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eutectics

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Journal Article
Journal: Economic Geology
Published: 01 September 1930
Economic Geology (1930) 25 (6): 658–663.
Journal Article
Journal: Economic Geology
Published: 01 January 1930
Economic Geology (1930) 25 (1): 1–13.
Journal Article
Journal: Economic Geology
Published: 01 September 1934
Economic Geology (1934) 29 (6): 577–589.
Journal Article
Published: 01 December 1961
The Canadian Mineralogist (1961) 6 (5): 555–575.
...J. E. Hawley; R. L. Stanton; A. Y. Smith Abstract Pseudo-eutectic intergrowths involving niccolite, chalcopyrite, pyrrhotite, and maucherite in Sudbury [Ontario] ores have been observed to develop chiefly by replacement of gersdorffite without the latter participating essentially as a component...
Journal Article
Published: 01 October 2007
American Mineralogist (2007) 92 (10): 1550–1560.
...Christine McCarthy; Reid F. Cooper; Stephen H. Kirby; Karen D. Rieck; Laura A. Stern Abstract The microstructures of two-phase binary aggregates of ice-I + salt-hydrate, prepared by eutectic solidification, have been characterized by cryogenic scanning electron microscopy (CSEM). The specific...
FIGURES | View All (14)
Journal Article
Published: 01 April 1986
American Mineralogist (1986) 71 (3-4): 343–355.
...Jon S. Petersen; Gary E. Lofgren Abstract Coupled and noncoupled eutectic feldspar intergrowths have been produced by dynamic crystallization experiments in the ternary feldspar-water system. Fractionation during plagioclase crystallization in nearly all compositions examined results in eutectic...
Journal Article
Published: 01 June 1923
American Mineralogist (1923) 8 (6): 110–111.
Journal Article
Published: 01 September 1998
Russ. Geol. Geophys. (1998) 39 (9): 1219–1236.
...V. I. Lutsyk; V. P. Vorob’eva The main stages of a heterogeneous design for quaternary systems with the eutectic type of interaction and without solubility in solids have been considered. On the basis of explicit equations for liquidus hypersurfaces, any sections of heterogeneous fields...
FIGURES | View All (12)
Image
Ternary diagram showing the compositions of eutectics and minima in the quartz-albite-orthoclase (Qz-Ab-Or) system under different conditions. Dots and the green line represent the quartz-albite-orthoclase system with excess water at 1 kb and 0, 1, 2, and 4% added fluorine (0, 1, 2, and 4, respectively) (after Manning 1981), while stars and the red line represent the quartz-albite-orthoclase system at P = 1, 2, 5, and 10 kbar and H2O-saturated conditions (after Johannes and Holtz, 1996).
Published: 07 December 2020
Fig. 13. Ternary diagram showing the compositions of eutectics and minima in the quartz-albite-orthoclase (Qz-Ab-Or) system under different conditions. Dots and the green line represent the quartz-albite-orthoclase system with excess water at 1 kb and 0, 1, 2, and 4% added fluorine (0, 1, 2
Image
Drop in liquidus temperatures for the nepheline–albite “isobaric eutectics” as a function of water vapor pressure and temperature (data from various sources as mentioned in the figure).
Published: 01 October 2000
F ig . 6. Drop in liquidus temperatures for the nepheline–albite “isobaric eutectics” as a function of water vapor pressure and temperature (data from various sources as mentioned in the figure).
Journal Article
Journal: Economic Geology
Published: 01 June 1948
Economic Geology (1948) 43 (4): 273–279.
...James Edwin Hawley; Donald F. Hewitt Abstract Pseudo-eutectic and pseudo-ex-solution intergrowths of Ni 8 As 2 in NiAs and Ni(As,Sb) solid solutions, corresponding respectively to the natural minerals, maucherite and niccolite, are described and compared with a natural intergrowth of these minerals...
Journal Article
Published: 01 May 2001
European Journal of Mineralogy (2001) 13 (3): 453–466.
...Don R. BAKER; Carmela FREDA Abstract Textures formed during crystallization of the eutectic composition in the system Orthoclase-Quartz-H 2 O at 500 MPa and 50, 100, and 200°C undercooling have been studied experimentally and simulated using a two-dimensional Ising model. The experiments performed...
FIGURES | View All (6)
Journal Article
Journal: Geology
Published: 05 October 2017
Geology (2017) 45 (11): 1019–1022.
...Laura E. Waters; Rebecca A. Lange Abstract The paucity of high-silica rhyolite in volcanic arcs and its restricted occurrence as scattered aplite dikes throughout arc granitoid batholiths suggests there is a mechanism that prevents high-silica (near-eutectic) rhyolite melts from coalescing...
FIGURES
Journal Article
Published: 01 December 1969
Canadian Journal of Earth Sciences (1969) 6 (6): 1458–1460.
...Denis M. Shaw; Shirley M. Gibson Abstract Five models of the liquid state have been used to calculate the liquidus curves and the eutectic point in the simple binary system diopside–fluorite. None predicts adequately the recent experimental results of Lin and Burley. non disponible ...
Image
(a) Conceptual binary phase diagram showing a simple eutectic along with different bulk compositions 1, 2, and 3. Composition is on the x-axis and temperature on the y-axis. (b) Conceptual representation of melt productivity, where melt fraction (F) is plotted versus temperature. Curves labeled 1 through 3 correspond to melt productivity for the different bulk compositions noted in (a). In a simple binary with pure phases, melting begins at the eutectic temperature for all bulk compositions, and the system is not allowed to increase in temperature until one of the solid phases is consumed. In natural, multicomponent systems, melting is more complicated, but the overall behavior is still captured with this simple binary system. Importantly, if the bulk composition is of eutectic composition, melting occurs at the eutectic and over a small temperature range. Compositions that are far from the eutectic composition can only undergo high-degree melting if temperature increases well above the eutectic. Pyroxenite dikes in the lithospheric mantle formed as trapped melts would have near-eutectic bulk compositions and thus could undergo high degree remelting without significant increase in temperature.
Published: 28 November 2022
Figure 7 (a) Conceptual binary phase diagram showing a simple eutectic along with different bulk compositions 1, 2, and 3. Composition is on the x -axis and temperature on the y -axis. (b) Conceptual representation of melt productivity, where melt fraction ( F ) is plotted versus
Journal Article
Published: 01 October 2006
American Mineralogist (2006) 91 (10): 1688–1698.
... system that are defined by the predictable, deep metastable eutectic (DME) compositions of the smallest condensate grains. Disorder of these amorphous grains is higher than in quenched glass of identical composition, which is the very property of dissipative structures ( Prigogine 1978 , 1979...
FIGURES | View All (13)
Image
Fe-FeO eutectic melting curve. Diamonds represent eutectic temperature obtained at 3 GPa (Ohtani et al. 1984), 16 GPa (Ringwood and Hibberson 1990), and 48 and 204 GPa (this study). Reverse triangles indicate the upper bounds for the eutectic temperature. Red and black lines are the Fe-FeO eutectic melting curves obtained in this study and by Morard et al. (2017), respectively. Small circles and squares are the previous experimental data by Seagle et al. (2008) and Morard et al. (2017), respectively, showing the upper (filled) and lower bounds (open symbols) for eutectic temperatures. (Color online.)
Published: 01 November 2019
Figure 4. Fe-FeO eutectic melting curve. Diamonds represent eutectic temperature obtained at 3 GPa ( Ohtani et al. 1984 ), 16 GPa ( Ringwood and Hibberson 1990 ), and 48 and 204 GPa (this study). Reverse triangles indicate the upper bounds for the eutectic temperature. Red and black lines
Image
Histograms of microthermometric data. (a) Total homogenization (Th) data for calcite-hosted inclusions. (b) Total homogenization (Th) data for allactite-hosted inclusions. (c) Total homogenization (Th) data for sarkinite-hosted inclusions. (d) Total homogenization (Th) data for tilasite-hosted inclusions. (e) Ice melting (Tm) and eutectic melting (Tfm) data for calcite-hosted inclusions. (f) Ice melting (Tm) and eutectic melting (Tfm) data for barite-hosted inclusions. (g) Ice melting (Tm) and eutectic melting (Tfm) data for allactite-hosted inclusions. (h) Ice melting (Tm) and eutectic melting (Tfm) data for sarkinite-hosted inclusions. (i) Ice melting (Tm) and eutectic melting (Tfm) data for tilasite-hosted inclusions.
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice
Image
Histograms of microthermometric data. (a) Total homogenization (Th) data for calcite-hosted inclusions. (b) Total homogenization (Th) data for allactite-hosted inclusions. (c) Total homogenization (Th) data for sarkinite-hosted inclusions. (d) Total homogenization (Th) data for tilasite-hosted inclusions. (e) Ice melting (Tm) and eutectic melting (Tfm) data for calcite-hosted inclusions. (f) Ice melting (Tm) and eutectic melting (Tfm) data for barite-hosted inclusions. (g) Ice melting (Tm) and eutectic melting (Tfm) data for allactite-hosted inclusions. (h) Ice melting (Tm) and eutectic melting (Tfm) data for sarkinite-hosted inclusions. (i) Ice melting (Tm) and eutectic melting (Tfm) data for tilasite-hosted inclusions.
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice
Image
Histograms of microthermometric data. (a) Total homogenization (Th) data for calcite-hosted inclusions. (b) Total homogenization (Th) data for allactite-hosted inclusions. (c) Total homogenization (Th) data for sarkinite-hosted inclusions. (d) Total homogenization (Th) data for tilasite-hosted inclusions. (e) Ice melting (Tm) and eutectic melting (Tfm) data for calcite-hosted inclusions. (f) Ice melting (Tm) and eutectic melting (Tfm) data for barite-hosted inclusions. (g) Ice melting (Tm) and eutectic melting (Tfm) data for allactite-hosted inclusions. (h) Ice melting (Tm) and eutectic melting (Tfm) data for sarkinite-hosted inclusions. (i) Ice melting (Tm) and eutectic melting (Tfm) data for tilasite-hosted inclusions.
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice