新城岩体产于河北省邯邢地区。围岩主要是下古生界中奥陶统浅海相的碳酸盐岩。其次是上古生界石炭、二叠系海陆交互相的含煤沉积。由于岩浆活动的影响,也发育一些产状平缓、规模较小的褶皱构造。在东郝庄、冯村、店上和小电桥等地,发育有矽卡岩型磁铁矿矿床。新城岩体主要是指分布在沙河县新城镇南北两侧的闪长岩和二长岩,也包括出露在上庄 Metro rock production in Handan, Hebei Province. The wall rocks are mainly carbonate rocks of Lower Ordovician shallow marine phase in the Lower Paleozoic. Followed by the Upper Paleozoic Carboniferous, Permian sea and land interaction of coal deposits. Due to the magmatic activity, some gentle folds are also developed. In the East Hao Zhuang, Feng Village, shops and small bridges and other places, the development of skarn-type magnetite deposits. Xincheng rock mass is mainly distributed in the new town of Shahe County, north and south sides of the diorite and monzonite, but also exposed in the village