scholarly journals Modeling of thermodynamic and chemical changes in low-temperature geothermal systems

1986 ◽  
Author(s):  
A.L. Spencer
Keyword(s):  
Low Temperature ◽  
Geothermal Systems ◽  
Chemical Changes

scholarly journals Relation between structure and low-temperature geothermal systems in Fukuoka city, southwestern Japan

2008 ◽  
Vol 60 (8) ◽  
pp. 821-826 ◽  
Author(s):  
Hakim Saibi ◽  
Jun Nishijima ◽  
Tomohiro Hirano ◽  
Yasuhiro Fujimitsu ◽  
Sachio Ehara
Keyword(s):  
Low Temperature ◽  
Geothermal Systems

Supergene alteration of metamorphic chlorite in an amphibolite from Massif Central, France

Clay Minerals ◽  
1982 ◽  
Vol 17 (2) ◽  
pp. 159-173 ◽  
Author(s):  
D. Proust
Keyword(s):  
Chemical Composition ◽  
Low Temperature ◽  
Grain Boundaries ◽  
Mixed Layer ◽  
Low Pressure ◽  
Chemical Changes ◽  
Massif Central ◽  
Rock Structure ◽  
Initial Rock

AbstractThe mineralogical and chemical changes of sheridanite were followed in different alteration horizons as weathering of its host amphibolite increased. Microscopic and microprobe analyses of phases produced in or around the chlorite allowed a classification of the different alteration stages relative to their position in the profile. In the unweathered rock, prehnite and a sericite—kaolinite assemblage appear to have formed at grain boundaries between chlorites and plagioclases. These represent low-pressure (PH2O < 2.5 ± 1 Kb) and low-temperature (320–360°C) metamorphic phases. In the saprock, where initial rock structure is still preserved, chlorites weather to a more or less regular mixed-layer chlorite-vermiculite. In the saprolite, large-grain (20 µm) vermiculite forms in the clayey zones (plasma) when rock structure is destroyed. The chemical composition of these newly-formed minerals is influenced by the original chlorites and mixed-layer minerals.

scholarly journals The Integration of 3D Modeling and Simulation to Determine the Energy Potential of Low-Temperature Geothermal Systems in the Pisa (Italy) Sedimentary Plain

Energies ◽  
2018 ◽  
Vol 11 (6) ◽  
pp. 1591 ◽  
Author(s):  
Alessandro Sbrana ◽  
Paola Marianelli ◽  
Giuseppe Pasquini ◽  
Paolo Costantini ◽  
Francesco Palmieri ◽  
...  
Keyword(s):  
Low Temperature ◽  
Modeling And Simulation ◽  
3D Modeling ◽  
Geothermal Systems ◽  
Energy Potential

scholarly journals Structural and chemical changes of aramid fibers modified by low temperature plasma

2020 ◽  
Vol 1588 ◽  
pp. 012020
Author(s):  
A Ibatullina ◽  
I Krasina ◽  
M Antonova ◽  
S Ilushina ◽  
E Isayeva ◽  
...  
Keyword(s):  
Low Temperature ◽  
Low Temperature Plasma ◽  
Aramid Fibers ◽  
Temperature Plasma ◽  
Chemical Changes
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