Diagenesis of quartz in the Upper Proterozoic Kaimur Sandstones, Son Valley, central India

S. Morad; Ajit Bhattacharyya; I. S. Al-Aasm; K. Ramseyer

doi:10.1016/0037-0738(91)90085-R

Diagenesis of quartz in the Upper Proterozoic Kaimur Sandstones, Son Valley, central India

S. Morad, Ajit Bhattacharyya, I. S. Al-Aasm, K. Ramseyer

Earth Science

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23 Scopus citations

Abstract

The Upper Proterozoic Kaimur Sandstones in central India are quartz-, sublithic- and lithic-arenites cemented by quartz, illite and hematite. Diagenetic quartz occurs in five modes: syntaxial overgrowths, fracture healings, aggregates of small euhedral crystals, quartz resulting from the alteration of detrital silicates and from the recrystallization of quartz. Intergranular pressure dissolution is suggested as the main source of silica with smaller contribution from other sources, such as silica dissolved in meteoric waters, stylolitization, clay-mineral diagenesis, and the alteration of detrital silicates. Studies on the fluid inclusions and oxygen isotopes of diagenetic quartz suggest that meteoric water modified by diagenetic reactions has mediated the quartz cementation.

Original language	British English
Pages (from-to)	209-225
Number of pages	17
Journal	Sedimentary Geology
Volume	73
Issue number	3-4
DOIs	https://doi.org/10.1016/0037-0738(91)90085-R
State	Published - Oct 1991

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title = "Diagenesis of quartz in the Upper Proterozoic Kaimur Sandstones, Son Valley, central India",

abstract = "The Upper Proterozoic Kaimur Sandstones in central India are quartz-, sublithic- and lithic-arenites cemented by quartz, illite and hematite. Diagenetic quartz occurs in five modes: syntaxial overgrowths, fracture healings, aggregates of small euhedral crystals, quartz resulting from the alteration of detrital silicates and from the recrystallization of quartz. Intergranular pressure dissolution is suggested as the main source of silica with smaller contribution from other sources, such as silica dissolved in meteoric waters, stylolitization, clay-mineral diagenesis, and the alteration of detrital silicates. Studies on the fluid inclusions and oxygen isotopes of diagenetic quartz suggest that meteoric water modified by diagenetic reactions has mediated the quartz cementation.",

author = "S. Morad and Ajit Bhattacharyya and Al-Aasm, {I. S.} and K. Ramseyer",

note = "Funding Information: The study has been financed by the Swedis Natural Science Research Council, NFR (to SM), the Center of Advanced Study in Economic Geology, Jadavpur University, India (to AB), and the",

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doi = "10.1016/0037-0738(91)90085-R",

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AU - Morad, S.

AU - Bhattacharyya, Ajit

AU - Al-Aasm, I. S.

AU - Ramseyer, K.

N1 - Funding Information: The study has been financed by the Swedis Natural Science Research Council, NFR (to SM), the Center of Advanced Study in Economic Geology, Jadavpur University, India (to AB), and the

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N2 - The Upper Proterozoic Kaimur Sandstones in central India are quartz-, sublithic- and lithic-arenites cemented by quartz, illite and hematite. Diagenetic quartz occurs in five modes: syntaxial overgrowths, fracture healings, aggregates of small euhedral crystals, quartz resulting from the alteration of detrital silicates and from the recrystallization of quartz. Intergranular pressure dissolution is suggested as the main source of silica with smaller contribution from other sources, such as silica dissolved in meteoric waters, stylolitization, clay-mineral diagenesis, and the alteration of detrital silicates. Studies on the fluid inclusions and oxygen isotopes of diagenetic quartz suggest that meteoric water modified by diagenetic reactions has mediated the quartz cementation.

AB - The Upper Proterozoic Kaimur Sandstones in central India are quartz-, sublithic- and lithic-arenites cemented by quartz, illite and hematite. Diagenetic quartz occurs in five modes: syntaxial overgrowths, fracture healings, aggregates of small euhedral crystals, quartz resulting from the alteration of detrital silicates and from the recrystallization of quartz. Intergranular pressure dissolution is suggested as the main source of silica with smaller contribution from other sources, such as silica dissolved in meteoric waters, stylolitization, clay-mineral diagenesis, and the alteration of detrital silicates. Studies on the fluid inclusions and oxygen isotopes of diagenetic quartz suggest that meteoric water modified by diagenetic reactions has mediated the quartz cementation.

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ER -

Diagenesis of quartz in the Upper Proterozoic Kaimur Sandstones, Son Valley, central India

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