- 更多网络例句与岩墙岩脉相关的网络例句 [注:此内容来源于网络,仅供参考]
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Particular configurations on bedding planes and on the surface perpendicular to the bedding planes lead to different explanations for the genesis of these silty dykes:(1) they are considered as the oldest trace fossils of metazoan according to the spindle-crack of siltstones on the bedding plane and the sand-filling tube configurations on the surface perpendicular to the bedding plane;(2) they are considered as the liquefied sand-veins induced by earthquake according to the sinuous configuration of siltstone dykes on the surface perpendicular to the bedding plane and the obvious liquation feature.
由于该粉砂岩岩墙在层面上和层内具有特别的形态,因而对其成因具有多种解释:在层面上呈纺锤状粉砂岩裂缝以及在层内呈砂质充填管形态,从而被认为是最古老的后生动物遗迹化石;在层内呈弯弯曲曲的粉砂岩岩墙以及明显的流体化作用特点,所以又被解释为地震振荡作用形成的液化砂岩脉。
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In fact, the NCC was dominated in the late Palaeoproterozoic by an extensional-tectonic regime, associated with the development of an aulacogen system, anorogenic magmatism (rapakivi granites, anorthosites, gabbros, granites and pegmatites), with the emplacement of large-scale mafic dyke swarms and with the uplift of the early metamorphic basement or the tectonothermal events of the retrogressive metamorphism.
事实上,在古元古代末期华北克拉通以伸展-裂解构造为主,表现为拗拉谷系发育、非造山岩浆活动(环斑花岗岩、斜长岩、辉长岩、花岗岩类及伟晶岩脉等)、大规模基性岩墙群侵位以及早期变质基底隆升或退变质构造热事件等。
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Dioritic magmatic enclaves have been discovered in the subvolcanic ring dikes for the first time by this study. These enclaves have typical back-vein and quenched margin where there are a lot of needle-like apatites.
首次在相山北部次火山岩岩墙中发现的辉石闪长质岩浆包体,具有典型的反向脉及淬冷边,其淬冷边内含有大量的针状磷灰石。
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Dioritic enclaves were discovered by the authors in thesubvolcanic rock dike of the northern part of the large collapse volcanic basin in Xiangshan, Jiangxi Province. These enclaves have a typical back vein and a quenched margin,and contain a large number of acicular apatites.
在江西相山大型塌陷式火山盆地北部的潜火山岩岩墙中,笔者发现了闪长质的岩石包体,这种包体具典型的反向脉及淬冷边,且淬冷边内含有大量针状磷灰石。
- 更多网络解释与岩墙岩脉相关的网络解释 [注:此内容来源于网络,仅供参考]
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dike:堤;岩墙;岩脉
digitization of a map 把地图上的资料转为数码 | dike 堤;岩墙;岩脉 | dilapidation 破旧;失修
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dilapidation:破旧;失修
dike 堤;岩墙;岩脉 | dilapidation 破旧;失修 | diluvial fan 洪积扇
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dyke:岩脉
如果沿岩层裂隙挤入,就叫不谐和侵入体,如岩墙、岩脉(dyke)等. 以上统称浅成侵入体,这是地壳上部岩层破裂发育的结果. 这种作用叫浅成侵入作用. 形成的岩石叫浅成岩(hypabyssal rock). 分异作用(differentiation)就是成分均一的岩浆分化成几种不同成分的岩浆的过程.
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dikaryophase:双核阶段
dikaryon 双核体 | dikaryophase 双核阶段 | dike 排水道 堤 堤坝 河堤 岩脉 岩墙
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dike rock:墙岩,脉岩
翠绿磷铜矿 dihydrite | 墙岩,脉岩 dike rock | 岩脉组 dike set
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vein dike:岩墙矿脉
脉矿床 vein deposit | 岩墙矿脉 vein dike | 矿脉充塡 vein filling