North Wuyi strata distributiveprovince can be divided into Wuyi group, Luotang group and Guifeng group;
北武夷地层分区可划分出武夷群、罗塘群和圭峰群;
2
The North China Block is the distributiveprovince of the important iron ore reserve, the main-iron-ore-mining region, and is also the important district of the iron and steel industry in China.
华北陆块是我国重要铁矿资源的分布区,铁矿石主要开采区,也是我国钢铁工业的重要分布区。
3
The paper discusses igneous rock lithological features, spatial distributive characters and its influence on coal seam and coal quality of Huanghebei coalfield, Sha ndong Province.