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Role of H2O and CO2 in Silicate melt
H2O and CO2 are the two most important components of fluids in the upper mantle and crust, and their solubilities ...
Stages of Diagenesis of Sandstone
On the basis of mineral replacement and intergrowths, four oxide series are recognized among the sandstones - alumina, lime-magnesia, iron ...
Ionic Substitution in Minerals/ Crystals
Rules of substitution The ions of one element can extensively replace those of another in ionic crystals if their radii ...
Fick, Roult and Henry’s law in petrogenesis
Fick's Law of Diffusion in Igneous Petrology Fick's law describes the movement of elements and ions due to concentration gradients, ...
Mesozoic of SPITI
Three major cycles of deposition have been found in the sedimentary records of the Mesozoic formations of the Spiti Basin ...
Magnetostratigraphy
Magnetostratigraphy is based on the polarity of the earth's magnetic field as it is preserved in the sediments at the ...
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