Sentence examples for quartz content from inspiring English sources

The high quartz content makes the petrified wood very hard: it can only be cut by a diamond-tipped saw.

Quartz content.

No correlation is found between porosity and quartz content.

Further, fracture density appears to correlate positively with quartz content.

The TOC content correlates positively to quartz content, but negatively to clay mineral content.

The quartz content prevented recovery of silica concentrations because silica did not stay in solution.

The quartz content in channel sandstone is 70% on average with high compositional maturity.

Clay content is the highest in shale, with average of 52.4%%, followed by the quartz content.

The pyrite and quartz contents were low.

Quartz contents usually are 24.0 70.0 % with maxima of 86.0 %.

The ULF shales have higher clay minerals contents and lower quartz contents, whereas the LLF shales have lower clay minerals contents and higher quartz contents.