用高倍荧光显微镜观察，在这些暗色泥岩的砂质碎屑矿物和自生矿物中，发现丰富的微石油包裹体群。
With high magnification of microscopy, a lot of petroleum inclusions were found, which occur in the fissures of sand grains and authigenic minerals in the source rock.
测定碎屑矿物沉积后吸收的古剂量是第四纪沉积物热释光测年的关键。测定古剂量的方法有三种，即部分晒退法、残余热释光法和再生热释光法。
Determination of the paleodose absorbed by debris minerals in sediments after deposition is a key course for TL dating of the Quaternary sediments.
主要矿物是高岭石，常见豆状、鲕状和碎屑状构造。
Their main mineral is kaolinite, usually in pisolitic, oolitic or clastic structure.
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