Sentence examples for small cobbles from inspiring English sources

These tools, of a type called Oldowan, after the gorge, were small cobbles of volcanic stone that had been knapped — shaped into rough cutting or chopping implements by having flakes struck off their edges.

Table 1 Median soil particle sizes and classification used in potential erosion estimates Source: Julien (1995) Particle size classification Particle size diameter (mm) Medium sand 0.5 Medium gravel 10 Coarse gravel 20 Very coarse gravel 32 Small cobbles 64.

Figure 7, panel A shows a CT cross-section of the entire sub-core; the large gaps in the sample are caused by the presence of small cobbles in the sediment which disrupted the fabric during coring, likely destroying some evidence of mineralization.

Lastly, results showed that the soil particle with median diameter equals to 64 mm (small cobbles) had the least excess shear stress across all design storms, while 0.5 mm (medium sand) soil particle size had the largest magnitude of excess shear stress.

Vast areas of hard substrate may not be required in all areas, as small cobbles and shells may represent attachment substrata in the early stages of reef development [45] but this often depends on environmental requirements being met in the region and that sufficient larval supply is present.

In the upper levels of the site are architectural remains consisting of one- or two-room, small cobble-walled subterranean houses.

Early tools were simple indeed: stone flakes a few centimetres long that were chipped off of one small cobble by a blow from another.

They tell you this at thirty, and fifty, and some are late beginners, at last lying down and walking the old earth of the breasts — the small, cobbled, plowed field of one, with a listening walking, and then the other — fingertip-stepping, divining, north to south, east to west, sectioning the little fallen hills, sweeping for mines.

Piecing together the process from the instruments they found, Henshilwood said the artists used small quartzite cobbles to hammer and grind the ochres into a powder, which was then poured into the shell and mixed with charcoal, burnt and broken bone, and the unidentified liquid.

One was the group of small apartments cobbled together from a derelict garage.

In their grumpy way, Belgians — a majority Dutch-speaking, many French-speaking and a few German-speaking — have been posing a delicate question: does postmodern Europe, where even tiny states feel secure, really need a medium-small nation cobbled together in 1830 whose various communities dislike one another?