Silicification of originally non-siliceous sediments affects a wide variety of rock-types and
materials and ranges from minor to pervasive. Partial and minor chertification occur mostly in …

In the modern oceans, the removal of dissolved silica from sea water is principally a
biological process carried out by diatoms, with lesser contributions from radiolaria …

Map** of carbonate dissolution in nodular chert-bearing strata indicates that nodular chert
formation in a diverse suite of Phanerozoic limestones occurred in bulk pore waters that …

Cathodoluminescence (CL) imaging can be applied to discriminate quartz types in
mudrocks, a determination not readily made from bulk chemical or bulk mineralogical …

South Sulawesi, situated at the junction of three major plates and with an almost complete
Tertiary sequence, is an ideal location in which to study syntectonic sedimentation …

Mass occurrence of benthic cyanobacterial mats in a sequence of L ate D evonian black
shales and bituminous limestones of the H oly C ross M ts.(central P oland), enclosing the …

Remains of silicified microbial mats composed of benthic colonial coccoid cyanobacteria
similar to modern entophysalidaceans and/or pleurocapsaleans have been identified in …

In order to document the microfacies and diagenesis of the reefal limestone in the
uppermost part of the Callovian Tuwaiq Mountain Limestone Formation at Khashm Al …

Siliceous nodules of the Ordovician Period, of the Armorican Massif and of southwest
Sardinia are made of a mixture of terrigenous origin material (quartz and phyllosilicates) and …

Rare earth elements (REEs), high-field strength elements and detrital zircon populations
typecast and establish the provenance of siliciclastic sedimentary rocks of the …