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- It is determined that the marine black shale in lower Cambrian and the Permian carbonate arc source rocks, among which the former is gas source rock and the latter is oil source rock. 明确了下寒武统海相黑色泥页岩和二叠系碳酸盐岩为烃源岩,前者为气源岩,后者为油源岩;
- Occurrence of High Mature Organic Matter in Marine Black Shale Source Rocks of Lower Cambrian from Northern Tarim Basin, China 塔里木盆地下寒武统底部高熟海相烃源岩中有机质的赋存状态
- Occurrence of High Mature Organic Matter in Marine Black Shale Source Rocks of Lower Cambrian from Northern Tarim Basin,China 塔里木盆地下寒武统底部高熟海相烃源岩中有机质的赋存状态
- marine black shale 海相黑色页岩
- In the stone coal layer and the overlying black shale, there is a pyrite layer. 在石煤层或其上部的碳质页岩中含黄铁矿层。
- Pure black shale and paint cement metope of black produces contrast likewise, high additional kind. 纯黑的页岩与同样漆成黑色的水泥墙面产生对比,高贵又另类。
- Additionally, it is evident that Ni, Cu, Zn, Pb, Tl and Sb in black shale are also leached. 此外,黑色页岩中Ni、Cu、Zn、Pb、Tl、Sb也明显发生淋失。
- The overmatured and graphitized organic matter of the black shale series in rich uranium ore areas provides favou... 富铀矿区黑色岩系中过成熟及石墨化的有机(炭)质,为铀的水成(淋积)成矿提供了优越的环境。
- The presenting of black shale series reflects abrupt environmental events,which formed many important ore hosting rock series. 黑色岩系的形成反映了环境的突变事件,构成了许多重要矿床的赋矿岩系。
- The Miaohetype biotas occur in the black shale and siliceous shale in the transitional areas from the late open platform facies to deep-water shelf-bathyal facies. 陡山沱晚期,自北西向南东可大致分为开阔台地相区和深水陆棚-次深海相区。
- Few fossils were found previously in early Early Cambrian black shale , such as sponges.With the deepening of the research , many phyla have been discovered recently. 早寒武世早期黑色页岩中以前只发现少量的海绵骨针,但随着研究的深入,各类动物化石被发现。
- Carbonaceous load-cast fossils found in black shale in the middle part of the late Late Sinian Li-uchapo Formation at Ligonggang,Taoyuan,western Hunan,provide a rare Burgess-Shale-type tapho-nomic window for late terminal Precambrian biology. 湘西桃源理公港震旦系留茶坡组中部黑色页岩中的炭质压膜化石,为研究末前寒武纪晚期生物学提供了一个稀有的布吉斯页岩型分类学窗口。
- This deposit is produced from the black shale series at the base of Cambrian system in Zunyi area, and the multiple-element-rich is located in the Niutitang Formation of low Cambrian series. 该矿床产于寒武系底部黑色岩系中,赋矿层位于下寒武统牛蹄组。
- Lower Cambrian black shale series 黑色岩系
- Marine plants grow on the sea bed. 海生植物长在海底。
- The conodonts studied in this paper were collected from the black shales ofthe Llanvirnian Upper Ningguo Formation. 本文研究了江西武宁奥陶系宁国组上部黑色页岩中的牙形刺。
- Organic geochemical features indicate that black shales were formed in an anoxic sea environment. 黑色岩系姥姣烷与植烷比值、岩性和生物特征指示其形成于一种缺氧还原沉积环境。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。
- The rocks are covered by marine plants. 岩石被海生植物所覆盖。