Sentence examples for high quality rocks from inspiring English sources
The Gona artifacts show that by 2.5 million years ago, some hominins had learned to consistently select high quality rocks from local streambeds, fracture these stones using cobbles as hammerstones in order to produce sharp-edged splinters called "flakes," and to use these flakes as knives for removing skin or meat from animal carcasses (Fig. 1).
Moreover, there is expected depletion of high quality rock phosphate (RP) which is the major sources of P-fertilizers by the year 2050 (Vance et al. 2003).
The deposition and preservation of high-quality rocks in a heterogeneous petroleum reservoir and associated mechanisms for hydrocarbon emplacement and migration are one of the most critical issues in deep exploration.
I love everything about that place: waterfalls, high-quality rock, history.
Leaving aside aesthetic issues, it is hard to say what makes a high-quality rock photograph.
The Spunk Lads, punk-rock preservationists, headline this evening of high-concept (although not necessarily high-quality) rock 'n' roll.
The values obtained thus take into account the assumption of a continuous trend, from brittle behavior in high-quality rock masses subjected to unconfined conditions, to pure ductile behavior in poor-quality rock masses for extremely high confinement stresses.
The massive accumulation of the liquid-rich hydrocarbons needs four fundamental formation conditions: stable tectonic background, widespread high quality source rocks, large-scale tight reservoirs with massive reservoir space, and co-existence of source and reservoir.
Early compaction vs. early cementation processes probably affect the sealing capacity, so high quality cap rock is primarily presented while cementation precedes compaction.
Today, many manufacturers are offering high quality products at rock bottom prices.
Hydrocarbon source rocks abundance is significantly lower than the sweet spot, indicating that Lucaogou Formation tight oil is mainly distributed in the high organic abundance of source rocks symbiotic tight reservoirs, and high quality mature hydrocarbon source rocks inside or adjacent to tight reservoir is mainly tight oil distributed layer system.
