1993
DOI: 10.1016/0016-7037(93)90037-w
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pH buffering by metastable mineral-fluid equilibria and evolution of carbon dioxide fugacity during burial diagenesis

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Cited by 103 publications
(50 citation statements)
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“…Reduced pH also appears to have been a significant factor in the postmortem stabilization of Nereis cuticle in kaolinite (Table 1), likely induced by the high proportion of reactive crystal edges and low cation exchange capacity of the clay component (Tombácz and Szekeres 2006), but also by the effects of incorporated organic acids and CO 2 (e.g., Hutcheon et al 1993). It is possible that the preservation effects were due entirely to such pickling, though this fails to explain the histological selectivity, focused exclusively on structural cuticle (cf.…”
Section: Taphonomic Tanning-a Hypothesismentioning
confidence: 99%
“…Reduced pH also appears to have been a significant factor in the postmortem stabilization of Nereis cuticle in kaolinite (Table 1), likely induced by the high proportion of reactive crystal edges and low cation exchange capacity of the clay component (Tombácz and Szekeres 2006), but also by the effects of incorporated organic acids and CO 2 (e.g., Hutcheon et al 1993). It is possible that the preservation effects were due entirely to such pickling, though this fails to explain the histological selectivity, focused exclusively on structural cuticle (cf.…”
Section: Taphonomic Tanning-a Hypothesismentioning
confidence: 99%
“…There has been some discussion regarding the importance of TSR in secondary porosity creation. Hutcheon et al (1993) showed that about 75% of the space volume created by anhydrite dissolution becomes subsequently filled by calcite derived from the TSR-reaction. However, the H 2 S generated during TSR can migrate away from the reaction site and become dissolved in water.…”
Section: Oil-anhydrite Interactions and Thermo-sulfate Reduction In Fftbmentioning
confidence: 99%
“…The diagenetic scenario may be analogous to that proposed by Surdam and Yin (1994) whereby calcitic shell material in the reservoir rapidly dissolved and/or was replaced by more stable ankerite in response to increasing p and decreasing CO 2 pH during decarboxylation. Both before and after the decarboxylation, slower silicate reactions (K-feldspar hydrolysis) were the predominant pH buffer (Hutcheon et al 1993). …”
Section: D) B)mentioning
confidence: 99%