| 1. | Mafic - ultramafic rocks in permian period and minerogenitic potentialities
超镁铁岩及其成矿问题探讨 |
| 2. | Analysis to the deposit environment and coal forming model in permian period in yong - xia xin - qiao coal field
永夏煤田新桥井田二叠系沉积环境与聚煤规律浅析 |
| 3. | Analysis on lithofacies and paleogeography coal accumulation for coal measures of the carboniferous - permian period in the east of shan - mian coalfield , henan
豫西陕渑煤田东部石炭二叠纪含煤岩系岩相古地理分析 |
| 4. | In the permian period , 286 million years ago , the most striking transitions in the evolution of life occurred when mammals evolved from one lineage of reptiles
在二叠纪期间, 286百万年前,最醒目的转折在生活的演变发生了当哺乳动物演变了从爬行动物一后裔。 |
| 5. | After late of early permian period , deposits of deltas and lacus took shape extensively along with up - lifting of yimeng area in the north and marine regression of this area
早二叠世晚期以后，随着北部伊盟地区不断隆升，海水退出本区，研究区形成广泛的三角洲和湖泊沉积。 |
| 6. | There had grown a lots of dislocation interfaces in the emeishan volcanic of permian period in the dam area of the jinsha river xiluodu hydroelectric power station being planned to build . the dislocation interfaces have great unslighting influence to the engineering stability of the dam
拟建的金沙江溪洛渡水电站坝区二叠系峨眉山玄武岩中发育有一定数量和规模的层间和层内错动带，它们对大坝的工程稳定性有着不可忽视的影响。 |
| 7. | In the area of the left bank , rock body is mainly composed of permian period - triassic period granite and triassic period siltstones and mudstones ( t2m ) . moreover , the rock body has been more faulted , such as f1 f3 f9 and so on . in addition , there also exist a lot of joints and form complex rock mass structure
工程区主要出露二迭纪三迭纪花岗岩体( _ 4 ~ 3 _ 5 ~ 1 )和三迭系中统忙怀组下段沉积岩( t _ ( 2m ) ~ 1 ) ，发育有工程区规模最大的f _ 1和f _ 3断层，以及其它断层和大量的各类断续延伸的裂隙，岩体结构较为复杂。 |
