硅结砾岩

So the researchers set up a fire pit and buried a silcrete sample at high temperature.

因此研究者们建立起一个火坑，然后把一个硅结砾岩样品埋进去。

The silcrete found at archaeological sites was glossy with a fine grain and a reddish color.

在南非的考古地点发现的硅结砾岩很光滑，带有细致的颗粒，呈红颜色。

About 72,000 years ago, our ancestors along coastal South Africa made tools from silcrete, a cement-like layer of soil.

大约7万2千年以前，在南非的沿海地带，我们的祖先用硅结砾岩制造石头工具。

Then a colleague from Arizona State University remarked that a piece of silcrete reminded him of heat-treated tools in the Southwest.

随后一名来自亚利桑那州立大学的同事说，硅结砾岩使他想起了南非西南部地区的热处理过的石器。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。