1) anorthosite
[英][æn'ɔ:θəsait] [美][æn'ɔrθə,saɪt]
斜长岩
1.
Massif-type anorthosite is the most common type of anorthosite and with distinct characteristics.
斜长岩是指斜长石含量>90%的岩浆岩,可分为6类。
2.
This paper is a brief overview on the geochronological significance of SHRIMP zircon dating of layered gabbro, anorthosite and plagiogranite, as well as adakite and peridotite-hosted granite that occur within ophiolites.
文中简要评述了蛇绿岩的层状辉长岩,斜长岩和斜长花岗岩,以橄榄岩为主岩的花岗岩和蛇绿岩中的埃达克岩的锆石SHRIMP U-Pb年龄的地质意义。
3.
The pwave velocities of anorthosite have been measured at 1 GPa,from room temperature to 880°C,then the analysis of the run products by optical microscope and electron microscope analyzer and the effects of dehydration of hydrous minerals on the pwave velocities of anorthosite have been discussed.
在1GPa、室温至880°C条件下对斜长岩的纵波速度进行了测量,并对实验产物进行了鉴定分析,讨论了含水矿物脱水对岩石纵波速度的影响。
3) plagioclase
[英]['pleidʒiəkleis] [美]['pledʒɪə,kles]
斜长岩
1.
The Damiao iron deposit is located at the southern margin of the Damiao plagioclase rock body and northern side of the southern edge of Hongshila-Damiao deep fault.
河北承德大庙黑山铁矿床位于大庙斜长岩体南部边缘,红石砬—大庙深断裂附近北侧。
4) anorthosite vein
斜长岩脉
5) plagioporphyry
斜长玢岩
1.
The host-rock of the gold deposit is superhypabyssal subvolcanic rock plagioporphyry.
该金矿的容矿围岩为超浅成次火山岩(斜长玢岩),与其紧密伴生的是超基性的隐爆角砾岩-橄辉云煌岩。
6) barium anorthitite
钡斜长岩
补充资料：斜长岩
| 斜长岩 anorthosite 一种基性深成侵入岩。主要由基性斜长石（＞90％）组成，其次含少量角闪石、普通辉石、黑云母等。斜长石为拉长石，肉眼可见闪光变彩现象，也有部分培长石或钙长石。易蚀变，蚀变后形成钠长石、黝帘石、绿帘石等。如暗色矿物增多，可过渡为辉长岩、苏长岩和橄长岩等。斜长岩分层状型和岩体型两种。前者属层状基性杂岩中韵律性火成堆积岩的组成部分；后者呈较大的岩体，产于地台基底或地盾 。有关矿产主要为镁、钒、钛、磷等。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条