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前言粤北山字型构造体系,位于广东北部。南北长达150公里,东西平距约240公里,纵横粤北全区,为一弧顶朝南的山字型构造。雄伟的瑶山山脉便是它的脊柱之所在,前弧弧顶位于英德连江口附近,前弧东翼顺翁江往东北延伸到江西境内后,在三南地区折为反射弧,前弧西翼循连江往西北伸驰至连县以北的东陂圩折为反射弧。目前在我国已知的山字型构造当中,它是一个比较完整的实例。
Foreword Guangdong North mountain font structure system, located in northern Guangdong. North and south up to 150 km, east-west horizontal distance of about 240 km, vertical and horizontal northern Guangdong region, a curved top south of the mountain font structure. The majestic Yaoshan Mountains is where the spine is located. The top of the front arc is located near the junction of Yingde and Lianjiang River. After the east wing of the former arc Shun Wengjiang extends northeastward to the territory of Jiangxi, it is folded into a reflective arc and a front arc in Sannan region The west wing follows the Lianjiang River to the northwest stretch to the north of Dongxian County fold fold reflex arc. At present, it is a relatively complete example of the mountain font structure known in our country.