八宝山位于北京石景山区东部,为西山山脉前平原上的孤立残丘,得名于建筑材料“八宝”。所谓八宝,指的是马牙石、白垩、青灰、红土、坩土、黄浆、板岩、砂岩8种黏土矿物。马牙石,又称方解石,主要成分为石英,也是人类最早认识和利用的矿物;白垩,俗称白土子或大白,白色、质软,是 Babaoshan is located in the eastern part of Shijingshan District, Beijing. It is an isolated mound on the front of the Xishan Mountains. It is named after the building materials “Babao ”. The so-called Babao, refers to the horse tooth stone, chalk, ash, laterite, crucible, yellow pulp, slate, sandstone 8 kinds of clay minerals. Tooth stone, also known as calcite, the main component of quartz, is also the earliest human understanding and utilization of minerals; chalk, commonly known as white clay or white, white, soft, is