河南汝阳梅花玉是一种杏仁状安山岩。
The "plum" jade is a kind of andesite with anamygdaloidal structure.
等发现于河南西部鲁山县和汝阳县的汝阳群云梦山组和北大尖组。
The Precambrian trace fossils described in this paper were found in the Yunmengshan and Beidajian Formation of the Ruyang Group of Lushan and Ruyang, western Henan province.
嵩县黄庄—汝阳三屯一带熊耳群火山岩分布区属构造变动强烈的中深剥蚀区。
The Xiong'er Group volcanic distrubutive region in Huangzhuang of Songxian-Santun of Ruyang belongs to the medium deep denudation region with the intense tectonic event(disturbance).
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