silcrete उदाहरण वाक्य

उदाहरण वाक्य

1. Evidence was found that raw silcrete blanks and blocks were transported prior to heat treating during the MSA . The geochemical signatures of the fragments can be used to identify where many of the individual pieces were quarried.
2. This occurred at deeper levels, at the intersection with the groundwater table ( forming " groundwater silcrete " ), or close to the surface, within the soil profile ( forming " pedogenic silcrete " ).
3. This occurred at deeper levels, at the intersection with the groundwater table ( forming " groundwater silcrete " ), or close to the surface, within the soil profile ( forming " pedogenic silcrete " ).
4. In places where fluvial erosion has been more active, gullies have dissected the palaeosurface of the upland, forming a characteristic tableland topography where a continuing process of scarp retreat leaves behind mesas and buttes, which persist until their residual silcrete capping is finally lost.
5. In Australia, silcrete was widely used by Aboriginal people for stone tool manufacture, and as such, it was a tradeable commodity, and silcrete tools can be found in areas that have no silcrete groundmass at all, similar to the European use of flint.
6. In Australia, silcrete was widely used by Aboriginal people for stone tool manufacture, and as such, it was a tradeable commodity, and silcrete tools can be found in areas that have no silcrete groundmass at all, similar to the European use of flint.
7. In Australia, silcrete was widely used by Aboriginal people for stone tool manufacture, and as such, it was a tradeable commodity, and silcrete tools can be found in areas that have no silcrete groundmass at all, similar to the European use of flint.
8. The technique was used during the final shaping of Still Bay bifacial points made on heat treated silcrete . " Both pressure flaking and heat treatment of materials was previously thought to have occurred much later in prehistory, and both indicate a behaviourally modern sophistication in the use of natural materials.
9. :They may be formed in the Danian, but the Sarsens are apparently an example of silcrete, a superficial deposit resulting from weathering, so even if you could find the base of this, it wouldn't be a stratigraphic contact . talk ) 18 : 54, 24 February 2011 ( UTC)
10. Over long periods of time, as the landscape was lowered further by weathering and erosion, the silcrete became exposed at the surface as a lag gravel, an armoured carapace of " gibbers " ( also known as a " desert pavement " ), protecting the weaker regolith below from mechanical erosion.