206Pb/? 208U age of the granitic diorite dyke in Erdaogou gold deposit is 223±2 Ma and quartz syenite dyke in Bajiazi gold deposit 241±6 Ma-218±6 Ma.
采用先进的SHRIMP测年方法测得夹皮沟二道沟金矿床的花岗闪长岩脉锆石的2 0 6Pb/ 2 3 8U年龄为 (2 2 3± 2 )Ma ;八家子金矿床的石英正长斑岩锆石的2 0 6Pb/ 2 3 8U年龄为 (2 41± 6 )～ (2 18± 6 )Ma。
Since the cooling and consolidation in the end of early Cretaceous,the Dazhushan granitic body has been intensively fractured under the changing tectonic stress field,in the form of dyke sets,joint sets and faults of variable trend.
在长期变化的构造应力作用下,胶南大珠山花岗岩岩体自早白垩世冷凝冷却以来发生强烈的脆性破裂变形,形成了多样的破裂类型如岩脉、节理和断层。
K-Ar ages of basic-acid dikes of the 118-323 km section of the Xinjiang-Tibet Highway in the West Kunlun;
西昆仑新藏公路118～323km段基性、酸性岩脉K-Ar年龄
For TM polarization, the apparent resistivities always change when measure station passes over a dike.
通过岩脉时若相位无变化,岩脉是窄的。
Based on the description of the practical results and picture analysis of ground penetrating radar survey,the satisfactory achievements and promising future of the new technology in the survey for fault,vein,backfill straturn thickness and hidden danger under the road foundation are showed.
通过介绍地质雷达的实测成果和图像分析 ,说明该项新技术在探测断层、岩脉、回填层厚度和公路路基隐患中的良好效果和广泛的应用领
Subsequent deformation mainly occurred along the margins of the granodiorite batholith and its host rocks to form the Yunmengshan ductile shear zone, where abundant syntectonic granite and pegmatite veins injected into a mylonite zone.
北京地区云蒙山变质核杂岩在白垩纪阶段抬升的早期,伴随着沿四合堂剪切带由北向南的拆离滑脱和大型花岗闪长岩的垂向侵位,晚期变形发生在花岗闪长岩岩基周边及其邻近围岩中,形成云蒙山剪切带,并伴随大量同构造的花岗岩和伟晶岩岩脉灌入。
Application of Q type clustering analyses in determining mineralization-related vein rock—with Damiaozi-Caiqiangzi gold deposit area of Huadian as a case;
Q型聚类分析在确定成矿脉岩中的应用——以桦甸大庙子—菜抢子金矿区为例
Relationship between vein rock and disseminated gold deposits in the east of Liming's auriferous belt;
礼岷金矿带东部脉岩与浸染型金矿的关系
The vein rocks can be divided into two types,one is that the ore veins are emplaced in the front of vein rocks,and the other in the rear.
谢家沟金矿位于焦家—新城断裂和招远—平度断裂之间,区内脉岩发育,主要类型有闪长玢岩、花岗闪长斑岩、闪长岩、石英闪长玢岩、辉石闪长岩、辉绿岩和煌斑岩等。
These dikes are temporally and spatially associated with the gold deposit,and they have the same Pb isotopic compositions,which suggest the comagmatic activities in the same tectonic background.
胶东土堆—沙旺密集产出多种脉岩,是富集地幔部分熔融的产物。
In this paper, analyses of major elements and trace elements for mafic dikes in several rock areas of the Zibo basin in West Shandong Province are reported.
本文从岩石学和地球化学方面对鲁西地区淄博盆地几个岩区的基性脉岩的成因和源区性质进行了探讨。
Relationship of dike and gold mineralization in Zhao-ping fault belt;
招平断裂带脉岩群对金成矿的约束
Highly dense and frequent dikes are temporally and spatially associated with gold deposits in the Guocheng area in the Jiaodong Peninsula, which mostly include diabase, lamprophyre, diorite, diorite-porphyrite, granite-porphyrite and syenite-porphyrite.
胶东海阳郭城地区高密度、高频率产出多种脉岩类岩石,主要包括辉绿岩(βμ)、煌斑岩(χ)、闪长岩(δ)、闪长玢岩(δμ)、花岗斑岩(νπ)、正长斑岩(ξπ)等,且脉岩与金矿密切伴生。
feldspar porphyry dyke
斑状长石岩墙〔岩脉〕
A branch from a dike or vein.
岩脉分支，矿脉分支
Sharply outlined dikes, sills and bosses occur in numbers.
边界清楚的岩脉，岩床及岩瘤等都常见。
To lie at an angle to the horizontal plane, as a rock stratum or vein.
下沉从地平线下降，如岩石层或岩脉
Rock dike inserted into quartz sandstone and was then weathered and denuded to form a precipice .
石英砂岩受岩脉穿插，岩脉被风化剥蚀后形成绝壁。
FILLING OF GULLIES BY EOLIAN SAND:A POSSIBLE GENESIS OF SANDSTONE VEINS(DIKES AND SILLS)
砂岩岩脉(岩墙、岩床)的一种可能成因──冲蚀沟槽的充填
The Dikes surrounding dike Mountain parallel a radial stress pattern that existed at the time the dikes were intruded.
岩脉山周围的岩脉与岩脉侵入时就已存在的放射状应力图象是相应的。
The gross pattern of dikes can be duplicated theoretically.
岩脉总体型式可以作理论模似。
The most impressive form of intrusive is the dike.
最引人注目的侵入体是岩脉。
The dike swarm converges on West Spanish peak.
岩脉群汇聚于西西班牙峰。
EXPERIMENTAL RESEARCH ON REINFORCEMENT EFFECT OF COMPOUND GROUTING ON DIABASE DIKES
辉绿岩脉复合灌浆试验加固效果研究
Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions.
煌斑岩任一种含有长石和铁镁矿物中型的黑色岩石，呈现为岩脉或侵入岩
The layered intrusions show chilled contacts against the diabases but are traversed by the dikes.
层状侵入体与辉绿岩接触处有冷凝边，但都被岩脉所穿插。
Mountains are made of rock.
山脉是由岩石构成的。
WEIDESHAN PLUTONIC COMPLEX,AN EXAMPLE OF MAGMATIC PULSATING CRYSTALLIZATION
岩浆脉动结晶的实例:山东伟德山岩体
PETROFABRIC ANALYSIS OF A SMALL VIEN-QUARTZ FOLD IN THE QUARTZ-MICA SCHIST IN WUTAI,SHANSI
山西五台石英云母片岩中石英脉岩小褶?的岩?分析
Magmatic Evolution Process of Dikes in Guocheng Fault Zone, Jiaodong Peninsula: Implications for North China Craton Lithosphere Thinning and Gold Ore Formation
胶东郭城断裂带脉岩岩浆演化过程：对岩石圈演化及金成矿的制约
bird of the Andes similar to Rupicola rupicola.
产于安第斯山脉的鸟，与岩松鸡形似。