Sentence examples for composition of rock from inspiring English sources

A major composition of rock minerals is silica in most shale formations [23 25].

Thomas Sisson of the survey's division in Menlo Park, California, mapped subtle variations in the composition of rock formations and divined their ages by dating radioactive minerals.

In the present study, powdered XRD analyses were performed for quantitative estimation of the mineral composition of rock samples, using the RockJock program (Eberl 2003).

Low-dilution glass beads can be an adequate target to analyze trace element composition of rock samples by using the laser ablation ICP-MS.

A trace element composition of rock samples is difficult to determine when they contain refractory minerals that are hardly dissolved with conventional acid digestion techniques.

It was November, get it … (Although cannabis is not a performance-enhancing drug except, perhaps in the writing of poetry or the composition of rock music it falls, as do other "recreational" drugs, firmly within the list of substances banned by sporting bodies).

She then correlated the data from these visits with estimates of local rainfall made by examining the composition of rocks from nearby caves.

Its most common occurrence, however, is in impure limestones that have undergone contact metasomatism, a process through which the chemical composition of rocks is changed.

Canadian geologist who was one of the most important pioneers in the field of experimental petrology (i.e., the experimental study of the origin and chemical composition of rocks).

In many cases, there is a zonal arrangement of the clay minerals around the source of the alteration, a process which involves changes in the composition of rocks caused by hydrothermal solutions.

Curiosity is armed with toolbox of sophisticated instruments for analysing the chemical and physical composition of rocks but it is not designed to test for direct evidence of Martian life, he said.