玄武岩的
- 与 玄武岩的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Years 9 28, in the color of shares issued on the related party transactions bulletin, bulletin said:"According to a resource block in the first stage of geological work carried out by the result, the block now proven high-quality bauxite resources amounted to 160 million tons (Al2O3 an average grade of 37.91 percent, the average ratio of 12.18 Al-Si), according to China Nonferrous Metals Industry Association in January 2007 issued a "certificate of identification of scientific and technological achievements, Lao province of Champasak帕克松area is Quaternary basalt bauxite LATERITIC Sanshui bauxite weathering crust type, with abundant resources, the exploration and exploitation conditions are better, obviously the characteristics of the anticipated benefits.
二千零七年9 28在对关联方交易的公告已发行股份的颜色,公报说:&据美国地质工作的资源块的第一阶段所进行的结果指出,现在证明块高质量的铝土矿资源达160万吨(氧化铝的百分之37.91,在12.18铝硅平均比例平均成绩),2007年1月根据中国有色金属工业协会发布了科技成果鉴定&证书老挝的占巴塞省帕克松地区第四系玄武岩红土型三水铝土矿风化壳型铝土矿资源丰富,勘探和开采条件,更好,很明显的预期效益的特点。
-
Focusing on the PGE enrichment mechanism in the basic-ultrabasic intrusions in the Panxi rift, firstly, through the interpretation of TM photograph, data processing of regional geochemical exploration and geophysical prospecting results of gravity, magnetic force and seism, we analyzed the controlling effect of structure and magmatic movement on the PGE mineralization; Secondly, through the study of volcanic apparatus, petrography, measurement of comprehensive geochemical section, isotope tracing and dating of typical PGE-rich melanocratic rock series, we discussed the sources of the PGE-bearing mafic-ultramafic intrusions and basalts, their timing, evolvement sequences, the geochemical processes of magma crystallization and fractionation, and the relationship between magma evolution and structural development; Finally, through the analysis of PGE and chalcophile elements concentrations in the melanocratic rock series and the contrastive study with the Noril''sk magmatic Ni-Cu-PGE sulfide deposit, its related continental flood basalts and Siberia Traps, we discussed PGE mineralization characteristics and its enrichment mechanisms in the melanocratic rock series in the Panxi rift.
本项目首先围绕川西地区主要的PGE矿床及伴生矿的地质环境和有关的地质构造背景,通过TM卫片解译、区域化探和重、磁及地震物探资料分析,总体把握构造及岩浆活动对PGE成矿的控制作用;然后通过对典型富PGE暗色岩套的火山机构地质构造、岩石岩相学、地球化学、同位素定年和示踪等方面的工作,分析本区基性-超基性含矿岩体与喷出岩之间的成岩物质来源、侵入时代及演化序列,研究该区同一岩浆房分异结晶的地球化学过程及其随构造发展的耦合关系;最后通过对暗色岩套PGE地球化学剖面分析以及与俄罗斯诺里尔斯克陆内裂谷溢流型玄武岩中PGE矿化的岩石-构造环境对比研究,探讨该区暗色岩套中的矿化特点和富集部位及其PGE富集机制。
-
However, relating to investigate the modes, courses and characteristics of the orogenetic process in Paleozoic and after orogenetic process, the cognitive divergence have still occurred.
通过对新疆北东部地区不同构造区带构造作用的方式、过程和特点的研究,确定:①南天山榆树沟高压麻粒岩地体的正变质原岩是一个基本完整的蛇绿岩套,其经历了俯冲至下地壳的高压麻粒岩相、构造抬升至深地壳麻粒岩相以及快速构造折返至角闪岩相的变质过程,代表了南天山洋壳俯冲、变质、随后折返的过程,并首次确定了变质过程的PTt轨迹;②奥陶纪末期中天山北缘发生洋盆俯冲、地体增生作用,此时萨日达拉地区处于岛弧活动带;中石炭世晚期中天山小型洋盆关闭,准噶尔地块与伊犁—中天山板块斜向对接随后发生脆韧性质近水平高温低速右行走滑剪切;③根据巴音沟地区不构成蛇绿岩套有效成分的硅质岩具有与活动大陆边缘密切相关的地球化学特征以及洋中脊玄武岩显示其岩浆源区受到消减带流体交代作用的影响,结合区域地质资料,首次提出巴音沟蛇绿岩带所代表的洋盆古构造环境为弧后盆地,并于早石炭世至中石炭世末期间,经历了扩张、收缩和闭合过程;④首次在克拉麦里蛇绿混杂岩带中分解出具有N-MORB、T-MORB与OIB三种不同类型的火山岩岩石组合,反映了洋盆俯冲
-
On the other hand, the low-Ti/Y type picrites and low-Ti basalts were also probably derived from the same plume source, but magmas of the low-Ti/Y type picrites most likely experienced a mixture with more than 15% bulk SCLM material; and magams of the low-Ti basalts were probably contaminated with over 15% melt from SCLM.
木里低Ti/Y型苦橄岩具有低的γOs(-4.1~-0.2)和高εNd_(t(+3.2~+6.6),它们也未受到地壳的混染,Nd-Os同位素二元混合模型表明它们可能是由地幔柱起源的苦橄质原始岩浆混合了15%或更多的SCLM物质形成的;与其共生的低钛玄武岩具有低的γOs(<0)和低的εNd_(t值,它们可能是由地幔柱起源的玄武质原始岩浆混合了15%或更多的SCLM的熔融物质形成的。
- 推荐网络例句
-
In the United States, chronic alcoholism and hepatitis C are the most common ones.
在美国,慢性酒精中毒,肝炎是最常见的。
-
If you have any questions, you can contact me anytime.
如果有任何问题,你可以随时联系我。
-
Very pretty, but the airport looks more fascinating The other party wisecracked.
很漂亮,不过停机坪更迷人。那人俏皮地答道。