化石学

Its color can effect the beautiful decorative materials; black can be a touchstone; some can also be used jade. 2, in gemology, the corner stone with a limited angle word meaning rock, and sometimes also used to refer to Bristol stone or flint.3, angular stone, the middle finger in paleontology is a kind of fossil cephalopods name.

其色彩美丽者可作用装饰材料；黑色者可作试金石；有的也可用于玉雕。2、在宝石学中，角石一词具有不限于角岩的含义，有时也用于指碧石或燧石。3、角石，在古生物学中指的是一种头足类动物的化石名称。

Taphonomic reconstruction of ecology and preservation depends on the applicability of analogous processes in modern ecology and limnology.

鱼化石埋藏学方法在古湖泊环境研究中主要是利用鱼死亡及其骨骼解体和保存的方式，去推测湖泊的水文状况、沉积环境、群落结构、鱼类的生活史、死亡方式和保存特征等，这种方法的可行性取决于对现代湖泊中生物与环境对应关系的观察研究。

Through extracting sedimentologic, geomagnetic, geochemical, organic geochemical, pigment, biological and microbiology fossil etc. from loess, periglacial landform, lake landform and sediment, stalagmite, coral and sea landform, the research about Holocene palaeomonsoon in eastern part of China has maken important progress.

在我国全新世环境中，关于东部古季风变化问题，利用黄土、冰缘、珊瑚、石笋、湖泊地貌与沉积、海岸地貌第四纪等研究对象，从中获取沉积学、磁性信息、沉积地球化学、有机地球化学、色素、生物、微生物化石等方面环境替代性指标，进行古季风重建的研究，取得了长足的进展。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。