gabbros造句

• The gabbro dikes are short .
  辉长岩岩脉短。
• Study on fracture pattern of open surface-flaw in gabbro
  辉长岩中张开型表面裂隙破裂模式研究
• Quartz gabbro diorite
  石英辉长闪长岩
• Quartz-norite gabbro
  石英苏长岩
• Calc-alkali gabbro
  钙碱辉长岩
• Isotopic age of shijuli gabbro in north qilian mountain and its geological significance
  北祁连山石居里辉长岩的同位素年龄及其地质意义
• Petrological characteristics and tectonic implications of the tahe gabbro in the northern part of the great xing'an range
  大兴安岭北段塔河辉长岩的岩石学特征及其构造意义
• Geochemical features and its tectonic implication of the jinningian wangjiangshan gabbros in the north margin of yangtze block
  扬子北缘晋宁期望江山基性岩体的地球化学特征及其构造背景
• All these ductile shear zones are characterized by northward thrusting . the u-pb dating on zircons from the bedded gabbro of the qimanyuter ophiolite melange gives an age of 526 ? 1 ma ( early cambrian )
  在其曼于特蛇绿岩的层状细粒辉长岩中获得了锆石u-pb年龄值为5261ma(早寒武世)，它被晚奥陶世花岗岩侵入。
• The geochemical characteristics of gabbros from the jinshajiang ophiolitic melange indicate that they were derived from a mantle source different from that of volcanic rocks, which may be a product in the ocean rift in the earlier stage
  东竹林蛇绿混杂岩中辉长岩地球化学特征表明，它与火山岩不同源，可能是洋盆裂谷初期的产物。
• The internal mineral separates and whole-rock sm-nd isochron age for gabbro dikes from the dangqiong ophiolite is 373 ? 8ma, inferring a magmatic activity during late devonian, which end ( t ) = + 3.3 suggests that its tectonic setting was probably oceanic island
  其nd(t)=+3.3，认为其时形成环境为洋岛，可能代表了新特提斯蛇绿岩形成时所携带的古老洋壳。
• Guided by theory and method of unit-superunit mapping in the granite area, study the lithology, lithochemistry, trace elements, and rare earth elements, er . of the wuzengsu gabbro body, and subdivide the body into four units
  摘要借鉴花岗岩区单元超单元填图理论方法，通过对乌增苏辉长岩体岩石学、岩石化学、微量元素、稀土元素等特征的研究，将岩体划分为四个单元。
• The lithologies of intrusive rocks were re-determined, for example, the rock previously named as diorite in southern area was renamed as gabbro, and the dike rock distributed along nnw as spessartite which was related to formation of the zhulazaga gold deposit to some extent
  对矿区各类侵入岩重新厘定了它们的岩性特征，如矿区东南部原闪长岩重新确定为辉长岩，确定nnw向分布的脉岩为闪斜煌斑岩，且认为后者和朱拉扎嗄金矿的形成有一定的关系。
• It agrees with the fact that the gabbro is intruded by late ordovician granitic pluton . the pre-sinian basement strata exposed in the north kunlun massif are later archean-neoproterozoic milan group, changcheng system kaqiang group, jixian system liushui formation and qingbaikou system sulu formation
  被蛇绿岩所分隔的昆北地块上出露的前震旦纪基底地层为：晚太古代-新元古代米兰岩群，长城系卡羌岩群，蓟县系流水岩组和青白口系丝路岩组。
• Based on an analysis of geochemical characteristics of rocks and trace elements as well as rare earth elements, this paper holds that they are products of crystallization differentiation of the same magma, that the major ore resource of this area is copper, and that gabbro-diabase is the main ore-bearing horizon
  通过对岩石化学特徵和微量元素、稀土元素地球化学特徵的剖析，表明其是同一岩浆结晶分异的产物，本区主要矿产应为铜，辉长辉绿岩是主要的含矿层位。
• The mafic dikes also formed by the partial melting of enriched mantle, include gabbro, diabase ( distributing mainly in luxi ) and lamprophyres ( camptovogesite, odinite and hornblende lamprophyres ) ( mainly in ludong ) . for all the rocks, crustal contamination was absent when magma emplaced . 2
  基性脉岩主要包括辉长岩、辉绿岩(主要分布在鲁西地区)和煌斑岩(以斜闪煌斑岩为主，同时含部分拉辉煌斑岩和角闪煌斑岩)(主要分布在鲁东地区)，都为富集岩石圈地幔部分熔融的产物。
• The results of combined internal mineral separates and whole-rock sm-nd isochron age for gabbro dikes from : luobusha, angren and xiubugabu in yarlung zangpo ophilite zone are 177ma, 166ma and 173ma respectively . the 4lar-39ar step heating spectra of rikangba ophiolite suggest that its formation age is also isoma . it indicates that there was a stronger regionally inagmatism during middle-early jurassic, and the time of i75ma was the main period of the magmatic event of yarlung zangpo ophilite
  对邬郁盆地嘎扎村组火山岩剖面的年代学研究表明，该区后碰撞期火山岩的~(40)ar-~(39)ar年龄为12?14ma，侵入其中的花岗岩脉的~(40)ar-~(39)ar年龄为10.84ma，与冈底斯西段前人研究资料对比，认为冈底斯带后碰撞火山岩时代有自西向东逐渐年轻的趋势。
• Geochronological, geochemical and sr-nd isotopic data are reported for the alkaline igneous rocks ( syenites and zhaibei aluminous a-type granite ) and chebu gabbro in southern jiangxi province . shrimp zircon u-pb dating results indicate that the quannan syenite, zhaibei a-type granite and chebu gabbro formed during the early yanshanian period
  对赣南燕山早期的富碱火成岩(正长岩和寨背铝质a型花岗岩)和车步辉长岩进行了详细的年代学、元素和sr-nd地球化学研究。
• Geochronological, geochemical and sr-nd isotopic data are reported for the alkaline igneous rocks ( syenites and zhaibei aluminous a-type granite ) and chebu gabbro in southern jiangxi province . shrimp zircon u-pb dating results indicate that the quannan syenite, zhaibei a-type granite and chebu gabbro formed during the early yanshanian period
  对赣南燕山早期的富碱火成岩(正长岩和寨背铝质a型花岗岩)和车步辉长岩进行了详细的年代学、元素和sr-nd地球化学研究。
• We deduce that it is a relic old crust that was brought upwards during the formation of neo-tethyan ophiolite . the step heating 40ar-' 9ar spectra show that during 100ma, luobusha ophiolite suffered intensely alternation, which affected distinctly the k-ar system; during 771ma some basalt formed in the country rock of xiubugabu ophiolite; during 55ma, the pillow basalt of rikangba ophiolite affected by a strong thermal event; all the variety of ages illustrates possible impacts of the subduction-collision between india and eurasia . through dissecting mainly the gabbro of luobusa ophiolite and studying the 40ar / 39ar
  ~(40)ar~(39)ar阶段升温年龄图谱显示，100ma左右罗布莎岩体经历了较强的后期蚀变作用，对其k?ar体系造成明显影响；771ma休古嘎布岩体围岩中形成玄武质火山集块岩；55ma日康巴岩体岩石枕状玄武岩受到较强热事件影响；这些~(40)ar-~(39)ar年龄上的变化显示了印度板块与欧亚板块俯冲?碰撞对该区的强烈影响。