| 1. | Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes . 含角闪石的变种填补了带状和脉状角闪岩的中间相。 |
| 2. | Most of the smaller hornblendite bodies contain about 5-10 percent magnetite, with only local sporadic enrichment . 在小的角闪岩体中,磁铁矿可占510,仅有局部的散染状富集。 |
| 3. | Most of the smaller hornblendite bodies contain about 5 - 10 percent magnetite , with only local sporadic enrichment 在小的角闪岩体中,磁铁矿可占510 ,仅有局部的散染状富集。 |
| 4. | The metamorphic process in the formation of garnet amphibolite along the china - pakistan highway profile , west kunlun orogenic belt 西昆仑造山带中巴公路段石榴角闪岩形成的变质地质过程 |
| 5. | Lots of information suggest that the metamorphism process of this area are from granulite facies to amphibolite facies and the retrograded metamorphic path is basically a cw nearly isothermal decompressional evolvement trend 各种信息表明本区的变质作用是由麻粒岩相退变到角闪岩相。退变质轨迹基本上是一个顺时针近等温减压型演化趋势。 |
| 6. | The eyes and mouths of hawk - shaped stone are formed by the weathering and eroding of plagioamphibolite or other enclave rocks developing in the adamellite mass while the figure of the hawk is shaped by adamellit mass of taishan group aged 2 . 4billion years 24亿年左右形成的二长花岗岩中的泰山岩群斜长角闪岩包体,岩石风化剥蚀后形成小孔如老鹰的眼睛和嘴部等,二长花岗岩球状风化后形成老鹰的外形。 |
| 7. | Based on the 1 : 50000 regional geological survey , the sertengshan rock group is revised , involving the schist and marble of low - amphibolite to high - greenschist facies , which are distributed in middle and west inner mongolia 摘要根据近年完成的1 : 5万区域地质调查成果及综合研究,将分布于内蒙古中部色尔腾山、大青山、西部乌拉特后旗以及阿拉坦敖包、叠布斯格等地的低角闪岩相高绿片岩相的片岩、大理岩系厘定为色尔腾山岩群。 |
| 8. | All these rocks aforementioned are mainly parametamorphic rocks . milan , kaqiang and alamasi group underwent high - grade metamorphism of amphibolite facies , together with weak migmatism . they share the same geochemistry and total ree and many other chracters 二者主要为副变质岩石,米兰岩群和卡羌岩群、阿拉玛斯岩群变质较深为角闪岩相,普遍弱混合岩化,它们具有非常相似的地球化学特征,稀土元素总量及其它特点一致或相近。 |
| 9. | Based on the studies of petrotexture , structural deformation and the relevant metamorphism , this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting 本文通过岩体的结构、构造变形及相应的变质作用研究,提出了该橄榄岩体是由超基性岩浆在壳幔过渡带结晶而成,并经历了与围岩一致的麻粒岩相( 800 )条件下的早期塑性变形以及角闪岩相和绿片岩相退化变质条件下与逆冲上升有关的韧性剪切变形。 |
| 10. | Greenschist facies , low green schist facies and brittle shear deformation facies . the attitude of different structural element of the yagan mcc are keeping coordination . analysis of kinematics demonstrates the sse - directed shearing - off of the hanging wall relative to the footwall along the penetrative mylonitic lineation 其变形相由变质核中心到上盘岩系(由深至浅)依次为高角闪岩相? ?绿片岩相? ?低绿片岩相? ?脆性剪切变形相,显示亚干核杂岩由中心向边部变形层次递减的特点。 |