岩常 meaning in Chinese
iwatsune
Examples
- The nw yunnan area is one of the famous tectonic - metallogenic regions in southwestern china , and a series of engineering problems always occur because of the existence of altered rocks formed by hydrothermal action
摘要滇西北地区是中国西南地区最重要的构造成矿带之一，与其相伴出现的蚀变岩常引起一系列工程问题。 - 7 . the deep depression of the foreland basin , where reserviors and source rocks interfingered together , is promising areas for the exploration of deep basin gas and stratigraphic traps . especially in the territories of dayi - mianzhu , santai - zitong - yilong
7 、前陆坳陷内源岩丰富、砂体发育，砂、页岩常呈指状交互，形成极为有利的储盖组合，可形成地层圈闭、岩性圈闭油气田或深盆气田。