1) gabbro rock body
辉长岩体
1.
A gabbro rock body int ruded the formation along a north-trending fault,with ore-forming matters extr acted from the underlying Dashiqiao formation,forming one orebody and four miner alized bodies in the previously existed bedding fracture belt.
海城市庙沟富铅锌银矿床位于虎皮峪倒转背斜北翼的高家峪组内,沿南北向断裂上侵的辉长岩体萃取了下伏大石桥组三段和成矿物质,在早期形成的顺层破碎带内形成了1条矿体,4条矿化体。
2) gabbro xenolith
辉长岩包体
1.
Many middle to lower crustal gabbro xenoliths were entrained by volcano basalts in Daoxian County of Hunan Province.
道县辉长岩包体的平衡深度为 1 9。
3) gabbro-norite mass
辉长苏长岩体
1.
Two facies belts may be discriminated for the gabbro-norite masses in Yuxian,Shanxi: the marginal facies consisting of altered medium-to fine-grained gabbro and the central facies composed of altered medium-to coarse-grained gabbro.
盂县辉长苏长岩体分为两个相带:边缘相为蚀变中细粒辉长岩,中心相为蚀变中粗粒辉长岩。
4) layered gabbro mass
层状辉长岩体
1.
TFe/TiO 2 ratio<2∶1 is an ore guide of independent ilmenite deposit in the layered gabbro mass.
本文首次用TFe/TiO2比值对矿带、矿层、火成堆积旋回进行了详细划分,同时对断层位置、性质及矿床成因进行了判定,并提出在层状辉长岩体中,当TFe/TiO2比值小于2∶1的部位是寻找独立钛铁矿矿床最佳地
5) Gabbroic xenoliths
辉长质岩石包体
6) gabbro-diabase
辉长辉绿岩
1.
The main rocks in the complex are gabbro, gabbro-diabase, pyroxenite and olivine-pyroxenite etc.
杂岩体主要岩石类型为:辉长岩、辉长辉绿岩、辉石岩、橄榄辉石岩等。
补充资料:辉长岩
辉长岩 gabbro 一种基性侵入岩。灰黑色,具等粒状辉长结构。主要由单斜辉石和基性斜长石组成,两种矿物含量近于相等;其次含少量角闪石、橄榄石、黑云母等。随着碱性长石含量的增多可过渡为二长岩。根据化学成分划分为钙碱性辉长岩和碱性辉长岩两大类。通常所说的辉长岩是指钙碱性辉长岩。gabbro一词于1810年为L.von布赫引用,显然,是根据意大利托斯卡纳Gabbro镇取名的。与之有关的矿产主要为铁、钛、铜、镍、磷等,细粒均质的辉长岩可作优质建筑石材。 |
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