1) 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。
2) Gabbroic xenoliths
辉长质岩石包体
3) 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。
4) pyroxenite xenoliths
辉石岩包体
1.
Cenozoic basalts in Yangyuan, Hebei, located in the west of the Daxing′anling-Taihangshan gravity lineament (DTGL), contain abundant peridotite and pyroxenite xenoliths.
位于大兴安岭-太行山重力梯度带西侧的阳原新生代玄武岩中含有大量橄榄岩和辉石岩包体。
5) 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。
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。 |
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参考词条