North Wuyi strata distributive province 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；

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The North China Block is the distributive province 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。

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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.

论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。

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