| 1. | Significance of be bearing striation altered rocks to the finding of concealed jiepailing tin polymetallic deposit
含铍条纹状蚀变岩在发现界牌岭锡多金属隐伏矿床中的找矿意义 |
| 2. | The altered rocks had a similar development with the hydrothermal ore deposits in the area of three paralleled rivers
蒙脱石化蚀变岩的发育分布与三江地区热液矿床的分布具有相似的规律。 |
| 3. | Gold deposits are mainly the type of quart vein and etach rock , there are some type of porphyry and scraping rock containing charcoal
金矿以石英脉+蚀变岩型为主，也有含炭碎屑岩型和斑岩型。 |
| 4. | The assemblage of garnet - diopside in the silicate alteration rocks is different from that in the skarn of traditional idea
硅酸盐蚀变岩中的“石榴子石透辉石”组合与传统理解的“夕卡岩”内的相同组合名同实异。 |
| 5. | Located in the central part of the qianhe - miaoling - manyu metallogenic belt , the xiaonangou deposit in songxian county is a typical tectonic altered rock type gold deposit
摘要嵩县小南沟金矿床位于前河庙岭蛮峪成矿带中部，是典型的构造蚀变岩型金矿床。 |
| 6. | From the study of lanthanon , we know that quart - vein is the single production of hydro mineralization . etch rock and mineralized rock are the mix outcome of hydro mineralization and wall rock materials
稀土元素研究结果反映石英脉是成矿流体的单纯产物，而蚀变岩和矿化岩石则是成矿流体与围岩物质的混合产物。 |
| 7. | 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。 |
| 8. | It was shown by field investigation and lab tests that the types of altered rocks were mostly those of montmorillonitization , and the altered clay mineral was mainly pure montmorillanite , which rendered the altered rock both soft and expansive
野外地质调查和室内测试表明：滇藏铁路滇西北段出露的多为蒙脱石化蚀变岩带，蚀变岩的黏土矿物组成绝大多数都是单矿物的蒙脱石，导致该地区的蚀变岩既是强度极低的软岩，又是典型的膨胀岩。 |
| 9. | The subvolcanic hydrothermal processes show a series responses of alteration rocks with some regularity of space and time evolutions , the main metallogensis was between the silicate alterations ( high - middle temperature and prssure ) and sulfide alterations ( low temperature and pressure )
次火山水热活动有一系列不同类型，并具一定空间分布和时间演化规律的蚀变岩响应，主期成矿作用发生在中高温压硅酸盐蚀变与中低温压硫化物蚀变之过渡阶段。 |
| 10. | K - ar age of an illite from alteration rock in the contact zone around lianhuashan porphyry is 38 . 6ma . with referencing to the main metallogenic period of yulong copper metallogenic zone and of ailaoshan gold metallogenic zone , it is suggested that the time of formation of deposits in the district studied is probably in a period of time from 38 . 6ma at earliest to 20ma at latest . this time is equivalent to the origination time of two important tectonic events , i . e . , lanping movement and the turning point when ailaoshan - red river fault turned from sinisteral into dextral
获得了莲花山岩体周围接触带蚀变岩中伊利石k - ar年龄38 . 6ma ，参考玉龙铜矿带和哀牢山金矿带的主要成矿期(分别为30ma左右及26ma ) ，厘定本矿集区成矿年龄下限为38 . 6ma ，上限为20ma ，与两次重要的构造事件?兰坪运动的起始时间及哀牢山?红河断裂由左旋转为右旋的时间相当。 |
