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假如,三星堆有一张“试卷”……

  • 2026-09-30 04:11:16
假如,三星堆有一张“试卷”……

假如,三星堆有一张“试卷”……

来看看考古学家怎么答题

如同到学期末,你要考试一样。
每年,三星堆的考古学家也会交上一份“年度答卷”。

最近,在四川德阳的三星堆论坛上,考古学家们“交卷”了。我们也来挑战一下!

🤔青铜神树,怎么铸造?

第一题:这棵三星堆青铜神树(图①),差不多有4米高。它是怎么铸造出来的?
这都是老问题了。
工匠先用陶泥做出“范”,也就是模具,再浇注进铜液。
底座、树干、树枝等部件分开开来铸造,再像搭积木一样组装起来。
范铸法和分铸法一结合,结构再复杂也不怕。
可是,神树的枝丫又细又长,还带着优美的弧线。用老办法,模具的泥芯非常容易断掉。
怎么解?来看看考古学家的答案。
他们给一棵小型神树做了CT扫描,发现里面有“芯骨”,能牢牢撑住泥芯;不仅如此,里面还横插着一些长条形小棍,能够固定模具,避免移位。
这是目前我国发现最早的“芯骨”和“条形范槽”使用实例。

🎨三星堆,是多彩的?

第二题:三星堆出土的青铜器,是什么颜色?
简单!历史课本里都讲了。
在铸造之初,青铜器闪烁着金色的光芒,被称作“金”。之所以变成青绿色,是因为氧化、腐蚀后,形成了“铜绿”。
但古蜀工匠的创意,不止于此。
在青铜神树的花瓣上,考古团队找到了朱砂的痕迹。
惊喜的是,青铜人像、面具上也有彩绘:口唇涂朱砂,眼眉描黑色。
除此之外,凤鸟、龙头……三星堆的彩绘青铜器,加起来足足有上百件!
这一下,将中国彩绘青铜器的历史提前了近千年。
我们知道,在古人眼中,黑色和红色是尊贵与祥瑞的象征。
这些颜色,是古蜀工匠用天然生漆和朱砂颜料,一笔笔精心绘制的。
原来,3000多年前三星堆的祭祀典礼上,是一派金、黑与红交织的绚丽场景!

🤔象牙文物,如何展出?

第三题:三星堆出土了数百根象牙,为什么在博物馆里,却几乎看不到它们的身影?
这个问题就有点冷门了。
你或许知道,成都平原温暖湿润,地下水位高。
象牙在这样的地下环境中“浸泡”了数千年,出土时看似完整,内里其实像泡过水的饼干,一碰就碎。
1986年出土的几十根象牙,如今已所剩无几。近些年出土的象牙,都保存在恒温恒湿的冰库了。
这么说,象牙不能和大家见面了?
别急,新技术来了!
脱水加固、微生物原位加固,相当于给象牙“打补钙针”,让它变结实。
不久的将来,我们就能在博物馆中见到这些“新生”的象牙了。

三星堆的谜题还有很多。你猜,下一个答案会是什么?

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