Sentence examples for fluvial sandstone from inspiring English sources

Database is from fluvial sandstone samples.

formed by a slab of Cenomanian fluvial sandstone.

Open image in new window Fig. 3 The QFR ternary charts for a fluvial sandstone samples; b aeolian sandstone samples.

In the Robins sandstone, preserved primary intergranular porosity in the largely fluvial sandstone has resulted in high-quality, largely homogeneous reservoirs.

Overlying the pre-Cenozoic bedrock is > 500 m of fluvial sandstone and lacustrine claystone of the Mae Sot Formation, the top of which contains up to 22 m of coal.

To identify and quantify the clay mineralogy, six samples were chosen for XRD analysis (4 from grain-coated aeolian sandstone samples and 2 from fluvial sandstone samples with quartz and dolomite cements and without grain coatings).

The extensive quartz overgrowths in the fluvial sandstones probably originated from feldspar kaolinitization and pressure dissolution.

For the fluvial sandstones, lower grain maturity and extensive cementation have significantly reduced porosity.

Fluvial sandstones are an important reservoir type for the petroleum industry.

The porosity versus permeability diagrams show that aeolian sandstones generally have better reservoir quality than fluvial sandstones (Fig. 13a).

Illitization occurred in both aeolian and fluvial sandstones and was suggested to be the last diagenetic event.