山东寿光双王城商代盐业遗址土样的初步科学研究

Site of Shuangwangcheng Salt Site Group

山东寿光双王城盐业遗址群是2008年度全国十大考古新发现,全国重点文物保护单位。014A遗址是双王城遗址群中的一个完整的商周时期制盐作坊单元。为进一步了解当时的盐业生产流程,采用XRF、XRD和有机碳分析等科技手段,对01 4A遗址不同位置的土样进行了测试。从土样中各成分的变化趋势可以看出,南部坑池1上游应为卤水的沉淀池,下游和坑池2应为蒸发池,与考古学者推测的盐业生产流程相一致。同时,研究表明遗址中分布的灰绿色土有机质含量偏高,可能跟坑池中的"藻垫"有关,从而表明我国先民早在商代就发现了藻垫生长具有防止卤水渗漏的作用,并能够有意识地加以利用,说明当时的制盐工艺已经达到了相当高的水平。

The group of Shuangwangcheng salt-producing site,a national priority protected site,was an annual top 10 archaeological discoveries in 2008.Spot 014 A of the site is a complete salt-producing workshop of the Shang and Zhou dynasties.Ten soil samples collected from different locations of spot 014 A were tested with XRF,XRD and total organic carbon analysis(TOC).Results show that the southern pool No.l upstream should be the sedimentation tank,downstream and pool No.2 should be the evaporation tanks,a finding that is consistent with archaeologists' speculations.In addition,the results show that the celadon soil distributed at spot 014 A might grow from 'algal mat' through a long-time burial.The above investigations demonstrate that our ancestors had discovered 'algal mat' and used it to prevent the infiltration of brine as early as the Shang Dynasty,indicating that salt production had reached a very high level.