![](https://www.ciphercoal.com/wp-content/uploads/2019/08/IMG_5461-225x300.jpg)
The Hailaer Basin in Inner Mongolia, China has a lot of coal, mostly of Cretaceous age; some beds are over 40 m in thickness. Setting aside any of its economic uses, the scale of peat accumulation is phenomenal. The basin itself is tectonically dissected into coal fields ranging in size distribution from 20×80 km to 40×120 […]