The dark dikes associated with mineralization in the Jinchanggouliang mine area,are mostly fine diorite-quartz diorites and diorite porphyrite-dacite porphyries.
金厂沟梁金矿区中与成矿伴生的暗色脉岩主要是细晶闪长岩石英闪长岩、闪长玢岩英安斑岩类。
A review is made on such types of mineral deposits as porphyry Cu and Cu_Au deposits, massive Ni_Cu sulfide deposits, trap and related mineralizations, MVT and SEDEX Pb_Zn deposits and diamond deposits.
文章回顾了斑岩铜矿、铜镍硫化物矿床、暗色岩及有关矿床、以沉积岩为容矿岩石的MVT型及SEDEX型铅锌矿床和金刚石矿床等在地质背景、类型拓展、成因机制和找矿前景等方面的研究进展与认识。
Dinosaur footprint fossils in dark mudstones of the Xiguayuan Formation(Upper Jurassic-Lower Cretaceous) in Luanping Basin and their geological significance;
滦平盆地西瓜园组(上侏罗统—下白垩统)暗色泥岩中恐龙脚印化石及其地质意义
Based on the analysis of geochemical data of the dark mudstones on outcrop sections andbore specimen in Tulfan Depression,the abundance,the types and the maturity features of theorganic metters included in Permian-Trianssis dark mudstone are mainly researched.
以地表剖面暗色泥岩的有机地球化学分析资料为主，结合部分井下烃源岩样品分析数据，研究了吐鲁番拗陷二叠系－三叠系暗色泥岩的有机质丰度、有机质类型及有机质成熟度特征，并分析了控制烃源岩生烃条件的影响因素。
The hydrocarbon source rock of Kongdian formation is definitely validated on oil-to-source correlation between oil produced in well Wanggu1 and dark mudstone drilled in Wang 46.
利用薄片、X衍射、微量元素、孢粉及有机地球化学等分析手段对王46井岩心进行了岩性、古生物及地球化学等相标志研究,认为该段暗色泥岩为湖盆近边缘相产物,沉积期气候暖热湿润,水质微咸淡水。
Any of various hard, dark - colored rocks, especially basalt and chert.
暗色岩一种坚硬、暗色的岩石，尤指玄武石及燧石
A dark, fine - grained igneous rock;diabase.
粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
A dark igneous porphyry embedded with feldspar crystals.
暗玢岩嵌有长石晶体的黑色火成斑岩
some thin beds of layered sandstone and dark grey siltstone show slump structures.
一些薄层砂岩和暗灰色粉砂岩显示出滑动构造。
In situ deposits are dark shale with horizontal bedding.
原地沉积为水平层理发育的暗色泥板岩。
Reevaluation of hydrocarbon generation conditions of dark mudstones for Upper Dainan Formation in Gaoyou Sag
高邮凹陷戴南组一段暗色泥岩生烃条件再认识
This formation is dominated by a set of sandstone-mudstone dark clastic rock series which belongs to marginal marine deposit at the end of the Gondwana Carboniferous-Permian glacier period.
该组主要为一套砂岩－泥岩的暗色碎屑岩系，属冈瓦纳石炭－二叠纪冰川末期的边缘海沉积。
Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave.
温泉花岗岩体由酸性端元的寄主岩石和暗色微细粒镁铁质包体群及基性岩墙群组成。
where . . . the sombrous pine / And yew - tree o'er the silver rocks decline(William Wordsworth)
那儿…灰暗的松树/和紫杉树生长在倾斜的银色岩石上(威廉 华兹华斯)
The maria are circular depressions covered with dark, loosely packed material-not solid rock.
“月海”是圆形洼地，覆盖着暗色的松散物质，而不是坚硬的岩石。
DISCUSSION ON OCCURENCE AND ABUNDANCE OF ORGANIC CARBON OF THE ORDOVICIAN--SILURIAN DARK CLAYSTONE, SOUTHERN ANHUI
皖南奥陶—志留系暗色泥岩有机碳产状及其丰度讨论
Trace element characteristics and their geological significances in Permo-Carboniferous dark mudstone in Jiyang Depression
济阳坳陷石炭二叠系暗色泥岩微量元素赋存特征及其地质意义
Characteristics of the Dark Marine Mudstone of the Lower Carboniferous Luquantun Formation in the Panshi Area,Central Jilin Province
吉中磐石地区下石炭统鹿圈屯组海相暗色泥岩特征
The dark mudstones of the Wenchang Formation with AOM organic facies are potential lacustrine oil source rocks in the Pearl River Mouth Basin.
具有无定形有机相的文昌组暗色泥岩是珠江口盆地良好的湖相油源岩.
Somber or dark in hue.
颜色灰暗的，昏暗的
dark green; dark glasses; dark colors like wine red or navy blue.
暗绿色；暗色的眼镜；像酒红或者深蓝等暗颜色。
A dark reddish brown to dark purplish red.
栗色暗红棕色到暗紫红色
egg-shell gloss
蛋壳色光泽 -暗光