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Because, again in the 1970s, a lot of geologists had said...oh...that they would just have used blocks of jadeite or jadetite that had been washed down the mountains in the rivers and in the glacial moraines.
二十世紀七十年代，很多地質(zhì)學家都認為斧頭制作者使用了被溪流與冰河從高山上沖刷下來的玉石塊。
But that's not the case.
但事實并非如此。
So, by going much higher up, between 1,800 and 2,400 metres above sea level, they found the chipping floors and the actual source material-with signs of it having been used.
我們爬到更高處，在海拔1800到2400米的地方發(fā)現(xiàn)了鑿劈石頭的場地以及玉石的確切來源，那里還留有人類使用過的痕跡。
"And, in some cases, the raw material exists as very large blocks, isolated blocks in the landscape, and it's quite clear that these were exploited by setting fire against them, and then they would be able to knock off large thermal flakes and then work those up.
有些單獨放置的很大的石塊明顯經(jīng)過火燒，這是為了讓工匠們敲下大塊的石片進行加工。
So the sign that's left on the stone, it's a slightly hollow area-a scar as it were-then there are a large number of chips beneath that."
因此，石塊上的微微凹陷其實是人類加工的痕跡，下方還有大量的碎片。
By using a scientific technique developed by astronomers, the geological signature of any piece of jade can be precisely identified and matched.
每一塊玉石的地質(zhì)特征都可以進行精確的辨認與比對。
The Petrequins found that the British Museum axe could be confidently linked to the Italian Alps.
彼得勒坎夫婦不止確證了大英博物館的這把玉斧來自意大利的阿爾卑斯山，
Indeed the readings of the geological signatures not only matched the mountain, but they did so with such accuracy that the very boulder that the axe came from could be identified.
還能根據(jù)地質(zhì)特征準確辨認出它來自哪塊石頭。
And even more extraordinary, Pierre Petrequin was able to track down a geological sibling for our axe - another jade beauty found in Dorset. Here he is again:
更不可思議的是，他們還找到了我們這把斧頭的親戚，出土于多塞特郡的另一件美麗玉器：
"And in some cases it's possible to say that this particular axe head here is from the same block of raw material as the other one.
坎特伯雷斧頭與多塞特斧頭的原料來自同一塊石頭。
