以窑沟橄榄辉石角闪石岩岩体为代表，研究了涞源岩基中超镁铁质岩石。
This paper chooses the Yaogou hornblendite body, one of the two major ultramafic outcrops in the Laiyuan batholith, as a representative to carry out detailed research.
两年前，北京慈济人前往距离北京两百多公里的保定市涞源县进行长期援助；
Two years ago, Beijing Tzu Chi volunteers started to provide long-term support to villagers in Laiyuan County which is over 200 kilometers away from China's capital.
涞源县矿产已查明的有金属、非金属矿43种，矿点160个，具有一定开采价值。
Laiyuan County minerals have been identified are metals, non-metallic minerals 43, 160 occurrence, the exploitation of a certain value.
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