所谓石包铁是指在沉积岩石(通常为砂岩)中,天然镶嵌着类似铁质管状体的现象。如其体积较小,可采集下来作为特种观赏石收藏、鉴赏;若无法采集下来,则构成自然奇观。我国最早发现的石包铁,是笔者1978年在内蒙古阿拉善右旗始新世砂岩中发现的桶壳状石包铁。而最引起轰动,也研 The so-called stone iron is in the sedimentary rocks (usually sandstone), the natural inlaid with similar iron tubular body phenomenon. If its smaller size, it can be collected as a special ornamental stone collection, appreciation; if not collected, it constitutes a natural wonders. The earliest stone found in China, is the author in 1978 in Alxa Right Banner Eocene sandstones found in the barrel crust stone iron. The most sensational, but also research