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就中國自新石器時代早期到西汉的數十處考古遺址出土的數千件玉器進行觀察,從中選取具有代表性者进行了取樣分析研究,即研究其礦物成分顯微結構,至1990年末已累計取樣研究玉器419件,共437樣。现將繼《中國古玉的研究》(《建材地質》1990第2期第2-10頁)之後,本年度為主的新認識概述如下: (1)中國古玉,按礦物學可分為3類,即真玉(True jade),古稱為珉(《荀子·法行》)、砆(《山海經·南
From the early Neolithic to the Western Han Dynasty in China dozens of archaeological sites unearthed thousands of jade were observed from the selected representative who conducted a sampling analysis that the study of the mineral composition of the microstructure until the end of 1990 has been accumulated Sampling 419 pieces of jade, a total of 437 samples. Now following the “study of ancient Chinese jade” (“Building Materials Geology” 1990 the second period on page 2-10), the new understanding of this year are summarized as follows: (1) Chinese jade, according to mineralogy can be divided into 3 True jade, ancient known as Min (“Xunzi law”), 砆 ("Shan Hai Jing Nan