https://bg.copernicus.org/articles/12/3489/2015/
BG - Technical Note: Silica stable isotopes and silicification in a carnivorous sponge Asbestopluma...
https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/silicification
silicification | Encyclopedia.com
silicification The introduction of cryptocrystalline silica into a non-siliceous rock via groundwater or fluids of
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