概括
在Koyukuk山谷新发现的黑矿可能是发现在阿拉斯加西北部的黑文物的原始来源. 化学和物理分析证实了相似之处,表明一个潜在的古代采矿场.
科学领域:
- 地质地质地质地质地质地
- 考古学的考古学
- 材料科学 材料科学 材料科学
背景情况:
- 在阿拉斯加西北部的考古遗址中,石文物很常见.
- 几十年来,这种幽暗的地质来源一直未被确定.
- 了解的来源对于重建过去的贸易和移民模式至关重要.
研究的目的:
- 调查Koyukuk山谷新发现的黑沉积物,作为阿拉斯加西北部考古学黑的潜在来源.
- 为了比较Koyukuk的物理和化学特征与考古遗址发现的.
- 评估过去人类与Koyukuk沉积物间的人类相互作用的证据.
主要方法:
- 地质化学分析,特别是确定-比.
- 沉积物和文物样本之间的物理特征 (例如颜色,纹理) 的比较.
- 考古调查和考古评估Koyukuk矿床,以寻找过去开发的迹象.
主要成果:
- 来自Koyukuk山谷沉积物的黑具有与阿拉斯加西北部考古遗址中发现的黑相似的物理特征.
- 科尤库克沉石的 - 比率与考古样本的比率非常接近.
- 有证据表明,Koyukuk的色矿床在过去曾经被积极利用,这表明了潜在的古代采矿活动.
结论:
- 科尤库克山谷的幽沉积物是阿拉斯加西北部发现的幽文物的极有可能来源.
- 这些发现解决了阿拉斯加考古学中长期存在的问题,即迷石的来源.
- 过去采矿的证据表明,有很大的史前资源利用和潜在的贸易网络.
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