查询词典 carboniferous

The stratigraphical analyses have shown that Listracanthus appeared together with Petrodus in the same strata could be an index fossil for Upper Carboniferous.

生物地层学分析表明，这2个器官属的共生出现，可以作为判断晚石炭世地层时代的一个依据。

By utilizing the principle and method of the high-resolution sequence stratigraphy and fully collecting core and well log information, this paper systemmaticaly analyzes genetic facies and divides the depositional system of Carboniferous-Permian coal-bearing strata in Wenshang-Ningyang coalfield.

运用高分辨率层序地层学理论和方法，充分收集和整理钻孔岩心、测井曲线资料，对汶宁煤田的石炭—二叠系含煤地层进行了系统的成因相组合分析和沉积体系划分。

Silurian'.'' and before the Mississippian or Carboniferous Period, and characterized by the appearance of forests and amphibians.

处于志留记之后，密西西比纪或石炭纪之前，森林和两栖类的出现是其特征

This provides constraints that the quartz monzonite granitoid is of the late Yanshanian intrusion, and that the slip structure along the parallel unconformity of the Carboniferous on the Ordovician strata should have occurred no later than ~134 Ma.

测定结果将这些石英二长岩岩枝的侵入时代限定在晚燕山期，并将发育在奥陶系与石炭系平行不整合面之间的构造滑动断层的发育年龄约束在约134 Ma之前。

During the period from Devonian to early Carboniferous,the eastern and western Junggar around Junggar Basin as well as the norther Tianshan area experienced diversification of tectonic settings, and was the period when the deep-crust activities in northern Xinjiang were the most active, and the processes of magmatism and mineralization were most intensive.

从泥盆纪至早石炭世的克拉通化早期阶段，准噶尔周边的东、西准噶尔和北天山地区构造环境变化多样，是新疆北部地壳深部作用最活跃、岩浆作用及成矿作用最强烈的阶段。

Research puts forward that Bayingou ophiolite is the geologic record of Tianshan early Carboniferous "Red Sea Type" Ocean basin..

4研究提出巴音沟蛇绿岩是天山早石炭世"红海型"洋盆的地质记录。

Trace elements in granite tectonic discriminate diagram shows that it is a post-collisional granite, and indicates that the end of Late Carboniferous orogenesis in Kalamaili region and the start of plate tectonic evolution.

花岗岩微量元素构造判别图显示它是一种后碰撞花岗岩，标志卡拉麦甲地区在晚石炭世造山作用的结束和板内构造演化的开始。

The marine terrigenous distribute at the north part, Jialong to Abule, and at the south part of that is expanse sloping grand slop deposit. Transgression occurred in Later Carboniferous and the outwash glaciofluvial deposits widespread in the marginal trench. Ice age end at the earlier Permian epoch, and slop shelf-sea, with biogenic reefs and beaches at the edge, extend to south till south of Laga and Daxiong.

早石炭世永珠组陆棚浅海限于北部的甲龙到阿布勒一带，其南侧至格嘎－措勤一线发育较宽的斜坡相沉积，晚石炭世时发生海侵，并随着冰期气候的盛行在边缘斜坡海环境内沉积了多套冰海砾岩，随着冰期气候的结束和海退，早二叠世昂杰组陆棚海沉积范围向南扩展到格嘎－达雄南部，陆棚海地边缘发育了生物礁或生物滩。

Drilling,seismic,logging and testing data have indicated that,Carboniferous and Permian in the east of Jiyang and Linqing in the Bohaiwan Basin are mainly composed of a set of neritic carbonate platform facies limestone as well as barrier-lagoon,tidal flat,paludal and deltaic facies terrigenous clastic rock and coal bed.

钻井、地震、测井及测试资料综合研究认为：渤海湾盆地济阳—临清东部地区石炭—二叠系主要发育一套浅海碳酸盐岩台地相灰岩、障壁—潟湖、潮坪、沼泽及三角洲相陆源碎屑岩和煤层。

The quartz-monzonite porphyry intrusived in the Pre-Ordovician Songduo Group and Carboniferous-Permian Laigu Formation, unconformably covered by the volcanic rocks of Pana Formation.

石英二长斑岩侵入于前奥陶纪松多岩群和石炭-二叠系来姑组中，并被帕那组火山岩呈火山沉积不整合覆盖。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。