There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.

邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插。

youdao

Igneous intrusions such as batholiths, laccoliths, dikes, and sills, push upwards into the overlying rock, and crystallize as they intrude.

岩基、岩盖、岩堤、岩席等火成的侵入物向表层岩石推进，并在入侵过程中结晶。

youdao

Water in the subsurface below the water table. Groundwater is held in the pores of rocks, and can be connate, from meteoric sources, or associated with igneous intrusions.

位于地下水位以下的水。地下水是保存在岩石孔隙中的水，可以是同生水、大气水、或与火成侵入岩体伴生的水。

youdao