Fate of silicate minerals in a peat bog

P. C. Bennett, D. I. Siegel, B. M. Hill, P. H. Glaser

Research output: Contribution to journalArticle

75 Scopus citations

Abstract

An investigation of silicate weathering in a Minnesota mire indicates that quartz and aluminosilicates rapidly dissolve in anoxic, organic-rich, neutral-pH environments. The increasing silica concentrations at circum-neutral pH are consistent with a system where silicate solubility is influenced by silica-organic-acid complexes. Silica-organic-acid complexes therefore may be the cause of the almost complete absence of diatoms in decomposed peat and contribute to the formation of silica-depleted underclays commonly found beneath coal. -from Authors

Original languageEnglish (US)
Pages (from-to)328-331
Number of pages4
JournalGeology
Volume19
Issue number4
DOIs
StatePublished - Jan 1 1991

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