scholarly journals Improved Geothermometry Through Multivariate Reaction-path Modeling and Evaluation of Geomicrobiological Influences on Geochemical Temperature Indicators: Final Report

2015 ◽  
Author(s):  
Earl Mattson ◽  
Robert Smith ◽  
Yoshiko Fujita ◽  
Travis McLing ◽  
Ghanashyam Neupane ◽  
...  
Keyword(s):  
Reaction Path ◽  
Final Report ◽  
Path Modeling ◽  
Reaction Path Modeling

Rare earth element cycling and reaction path modeling across the chemocline of the Pettaquamscutt River estuary, Rhode Island

2020 ◽  
Vol 284 ◽  
pp. 21-42
Author(s):  
Segun B. Adebayo ◽  
Minming Cui ◽  
Travis Hong ◽  
Omolola Akintomide ◽  
Roger P. Kelly ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rhode Island ◽  
Rare Earth Element ◽  
Earth Element ◽  
Reaction Path ◽  
River Estuary ◽  
Path Modeling ◽  
Element Cycling ◽  
Reaction Path Modeling

scholarly journals Geochemical Modeling of Water-Rock Interaction Processes in the Pollino National Park

Geofluids ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-17
Author(s):  
C. Apollaro ◽  
I. Fuoco ◽  
L. Bloise ◽  
E. Calabrese ◽  
L. Marini ◽  
...  
Keyword(s):  
National Park ◽  
Reaction Path ◽  
Geochemical Modeling ◽  
Analytical Data ◽  
Path Modeling ◽  
Rock Interaction ◽  
Interaction Processes ◽  
Comparison Of The Results ◽  
Reaction Path Modeling ◽  
Water Rock Interaction

This work is aimed at reconstructing the water-rock interaction processes controlling the geochemical characteristics of the shallow or relatively shallow groundwaters of the Pollino National Park, based on the data acquired for 105 water samples from local springs. Reaction path modeling of rock dissolution was carried out in a purely stoichiometric mode for the main lithotypes cropping out in the study area, that is, limestone, Mg-limestone, dolomite, serpentinite, Al-silicate fraction of calcschist, and carbonate fraction of calcschist. Reaction path modeling was carried out in a purely stoichiometric mode, considering the rocks of interest as materials of known stoichiometry and unknown thermodynamic properties. Calculations were carried out assuming a closed system for secondary solid phases whereas an open system was assumed for gases, O2(g) and CO2(g). Comparison of the results of geochemical modeling and the analytical data acquired for the groundwaters of the Pollino National Park shows that concentrations of major solutes, SiO2, Li, Al, and Fe of the different chemical types of waters, are explained by the dissolution of pertinent lithotypes. Moreover, the detected concentrations of Al, Cl, F, NO3, and SO4 are within the threshold values recommended by WHO.

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