查询词典 carboniferous

Any of various extinct, chiefly carboniferous trees of the genus Calamites, related to the modern-day herbaceous horsetails.

芦木一种芦木属主要生长于石炭纪的、现已灭绝的树木，与现代的草本马尾草有一定联系

Any of various extinct,chiefly carboniferous trees of the genus Calamites, related to the modern - day herbaceous horsetailsEquisetum.

芦木一种芦木属主要生长于石炭纪的、现已灭绝的树木，与现代的草本马尾草有一定联系

The methods of hydrocarbon generation and carbon isotopic kinetics are studied in Sulige Gas Field, Yulin Gas Field and Shenmu Gas Field, which indicate that the gas is mainly from Carboniferous-Permian coaly stratum in the south or southwest of the three gas fields; the hydrocarbon generation of source rock is firstly originated from 150Ma or so in Dingbian and its south area, and is successive from south to north and from west to east; the migration directions of natural gas are regionally from southwest to northeast, and partially from bottom to top.

采用生烃动力学和碳同位素动力学的方法，通过对苏里格气田、榆林气田和神木气田的剖析，认为这3个气田的气源主要来自其南部或西南部的石炭-二叠系的煤系地层；烃源岩生烃始于150Ma左右，出现在定边及以南的气源岩区，并存在由南向北、由西向东推进的趋势；天然气区域运移方向是由西南向东北，局部运移方向是由下向上。

The permo-carboniferous coal measures in North China Basin were formed under the condition of epicontinental sea which was characterized by the extreme gentle slope and high frequency of sae-level changes, the contemporaneous margin portion of which was probably very far or had been destroyed during the proccess of plate subduction and continental collision. The lowstand systems tract, therefore, has not be discovered up to now.

华北晚古生代内陆表海古地貌上表现出的极缓的基底和海平面的高频变化，具有特殊性，其同期的边缘海部分可能距离很远或在板块消减及大陆碰撞过程中被破坏掉，因而至今未发现低位体系域存在的证据。

Foredeep belt, featured by huge thick turbidite, moved to south continuously from late Longlin age-Qixia age of middle permian, which can be showed by the turbidite sedimentation on the platform facies strata during top part of Upper carboniferous-middle part of Longlin age of Lower permian.

冲断造山带以晚石炭世晚期-早二叠世隆林期中期浊积岩为特征，其上基本未接受新的地层，这是南天山造山带向南逆掩推覆的前锋地带。

Crustal movement ; geosynclinal closing ; Carboniferous ; N.

地壳运动；地槽封闭；石炭纪；新疆北部

The strata between the carbonate rocks of the Chaguoluoma Formation (Devonian-Early Carboniferous) and carbonate rocks of the Xiala Formation consist mainly of clastic rocks with limestone, which are marked by glaciomarine deposits in terms of sedimentation and mixing of Gondwanan and Tethyan faunas in terms of fossils.

古生物群混生的现象为石炭纪—二叠纪的特提斯生物区与冈瓦纳生物区之间的地层和古生物对比建立了一座桥梁。永珠组中上部地层中同时产有牙形石和腕足类，牙形石的研究表明其时代为晚石炭世莫斯科期，而腕足类的研究则表明其为早二叠世萨克马尔期。

Gondwana ; Tethys ; Late Carboniferous ; Early Permian ; mixed fauna ; glaciomarine deposits ; Xainza ; Tibet

冈瓦纳；特提斯；晚石炭世；早二叠世；混生动物群；冰海相沉积；申扎；西藏

Fossil gymnospermous plants of the Carboniferous.

石炭纪的裸子植物化石。

The foreland thrust belt in northwestern margin of Junggar basin is a large-scale imbricated thrust system developed since Late Carboniferous.

准噶尔盆地西北缘前陆冲断带是自石炭纪晚期发育起来的大型叠瓦冲断系统，哈拉阿拉特山冲断带为其冲断前锋构造带的东段。

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。