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首页> 外文期刊>Carbonates And Evaporites >Origins of evaporites in the Middle Triassic Leikoupo Formation of the Sichuan Basin, southwest China and their geological implications
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Origins of evaporites in the Middle Triassic Leikoupo Formation of the Sichuan Basin, southwest China and their geological implications

机译：中国西南地区四川盆地中三叠统雷口坡组的蒸发岩成因及其地质意义

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The widespread occurrence of evaporites is an important feature of the Middle Triassic Leikoupo Formation in the Sichuan Basin, southwest China. Their origins and geological implications, however, have not been well addressed so far. The issues were preliminarily discussed in this paper. The evaporites include two genetic types. The first is found predominantly in the first to third members of the formation, exhibits a uniform lateral distribution, and presents fairly thin (<5 m) individual layers with a cumulative thickness of <50 m. These evaporites show predominantly laminar bedding with massive beds locally, and their origin is inferred to be from lagoon deposition. The second genetic type was formed later, and
机译：蒸发物的广泛存在是中国西南四川盆地中三叠世雷口坡组的重要特征。但是，到目前为止，它们的起源和地质意义尚未得到很好的解决。本文已对这些问题进行了初步讨论。蒸发物包括两种遗传类型。第一层主要在地层的第一至第三层中发现，呈现出均匀的横向分布，并呈现出相当薄（<5 m）的独立层，累积厚度<50 m。这些蒸发物显示出主要是层状地层，局部有大量床，并且其起源可推测为泻湖沉积。第二种遗传类型后来形成，并且

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