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开启一段与四千年前制盐业的时空对话-中工文化-中工网


孙智彬的团队想以对比的形式,将中坝的发现与盐业生产遗址的发现相互校验,以验证遗址性质,却发现没有可以比照的资料――在中坝遗址发掘之前,国内还没有开展过盐业考古。
“当时我们能够看到的与盐业生产有关的历史遗物,只有汉砖上的盐业生产场景。”孙智彬说。
“有三类证据,可以证明中坝遗址与盐业生产有关。第一类证据来自土壤残留物。对中坝采集的土壤样本进行X射线荧光分析,发现土壤样本中所含的钙、镁含量特别高。第二类证据来自制盐陶器。通过对中坝遗址东周时期圜底罐进行X射线衍射分析,发现陶罐底部残留的钙化物成分,与自贡古代制盐作坊煮盐平底锅内的残留物相同。第三类证据来自陶器内壁的残留物。扫描电子显微镜检测分析表明,中坝遗址出土的圜底罐内壁残留Na和Cl的浓度很高,浓度从内到外呈� ....

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暴雨来袭 乐山全市转移2676人


  
乐山新闻网讯(记者 徐梓胜)7月7日8时至8日8时,乐山市出现了一次区域性暴雨天气过程,其中共出现大雨82个站点,暴雨82个站点,大暴雨31个站点,最大雨量出现在沙湾区太平镇绿化村(151.7mm),最大小时雨量出现在乐山土主镇红花村(70mm/h)。上游雅安市共出现暴雨38个站点,大暴雨9个站点,最大雨量出现在汉源县马烈(133.8mm);眉山市共出现暴雨44个站点,大暴雨7个站点,最大雨量出现在洪雅县洪雅瓦屋山电站(132.6mm)。
  受雨情影响,今天早上5点左右,沫溪河踏水段出现洪峰流量283m3/s左右,洪峰水位369.30m左右,超警戒水位0.83m,乐山水文水资源勘测局发布沫溪河流域洪水黄色预警,其余河流均在警戒线以下运行,汛情平稳。
  暴雨天气也在部分区域造成灾情,全市因灾转移2676人,受灾人口811人,紧急避险618人� ....

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