查询词典 Deccan basalt

The rock types mainly include basalt, andesite, dacite and little rhyolites, lava breccia etc. The rocks have the following chemical composition: SiO2, 48.49%-74.52%, with a mean value of 60.87%, Al2O3 majority between 14.5%-18.86%, K2O mean contents 1.99%.

主要岩石类型为玄武岩、安山岩、英安岩及少量流纹岩、火山角砾岩等，SiO2=48.49%~74.52%，平均60.87%，Al2O3多数在14.5~18.86之间，K2O含量平均为1.99，显示钙碱性系列特征。

An inscription of a black basalt stone; gave first clue to decipherment of ''.

刻在黑色玄武岩上的一种碑铭；给出了''。

An inscription of a black basalt stone; gave first clue to decipherment of Egyptian hieroglyphics.

刻在黑色玄武岩上的一种碑铭；给出了解读埃及象形文字第一线索。

In this area, there are huge thick basalt and diabase wall clusters, which have been thought as the Mesoproterozoic basic magmatism.

此地区发育巨厚的玄武岩及辉绿岩墙群，过去认为系中元古代时期的基性岩浆活动。

Towering in close symmetry, these basalt columns near Fingal's Cave form the base of the Scottish island of Staffa.

高耸的密切对称性，这些玄武岩圆柱附近的芬戈尔洞形成的基底苏格兰岛屿的斯达法岛。

Photo Gallery: Extreme Earth Towering in close symmetry, these basalt columns near Fingal's Cave form the base of the Scottish island of Staffa.

高耸的密切的对称性，这些玄武岩园柱状物附近Fingal的洞穴形式的基础上苏格兰岛的Staffa 。

The uplifting belt is composed of metasandstone, marble, overlying thick stromatolite (Jinyanshan Group of Jixian System). Metamorphic rocks of 450Ma± occur in both south and north active margin. Post-collision bimodal volcanic rocks and A-type granite occur in the middle and the north side;(4) Apa-Mangya tectonic melange belt consists of ophiolite (including ultramafic rocks, gabbro, plagiogranite and basalt) and flysch and eclogite of late Ordovician.

隆起带为中元古界变砂岩、大理岩，上覆厚层叠层石灰岩，南北边缘有均为450Ma左右的变质岩，中部和北侧分布有碰撞后双峰式火山岩与碱性花岗岩；④阿帕—茫崖构造混杂岩带，由超镁铁质岩、辉长岩、斜长花岗岩、玄武岩等蛇绿岩残片与晚奥陶世复理石沉积和榴辉岩块组成。

Taxkorgan West Kunlun tectonic melange belt by the composition of the Paleoproterozoic basement rock-chip sector, the mainland Sinian plate rift basalt rock film, Ordovician-Silurian flysch rock film, Carboniferous-Permian volcanic arc rock-chip and high-pressure metamorphic rocks.

西昆仑塔什库尔干构造混杂岩带由古元古界基底岩片、震旦纪大陆板内裂谷玄武岩岩片、奥陶-志留纪复理石岩片、石炭-二叠纪火山弧岩片及高压变质岩片组成。

When silica content reaches 45-53 %, basic rocks become the name of this type of igneous rock in which the gabbro is the typical intrusive rock which are composed of pyroxene and calcium plagioclase, whereas basalt is the equivalent extrusive rock.

当岩石中SiO2含量在45～53%之间时，称这类火成岩为基性岩。辉长岩就是这类岩石侵入岩的典型代表，其中矿物成分为辉石，钙长石，而基性的喷出岩则称之为玄武岩。

Basalt have importance meanings on deduce the Earth's mantle material composition, analysis tectonic environment and the geosphere deep dynamics research.

摘要玄武岩在反演地幔物质成分、分析构造环境和岩石圈的深部动力学研究中具有重要意义。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。