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首页> 外文期刊>Facies >Facies and fossil associations in Ladinian carbonate olistoliths at Dole pri Litiji, Slovenia
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Facies and fossil associations in Ladinian carbonate olistoliths at Dole pri Litiji, Slovenia

机译：在斯洛文尼亚达尔Pri利利利迪的Ladinian碳酸盐胺中的相和化石协会

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摘要

The Ladinian Pseudozilian formation in the central part of the Sava Folds, Slovenia, was deposited in a deeper marine basin situated among the carbonate platforms lining the western margin of the Neotethys. The formation consists of shale and sandstone, hemipelagic limestone, volcanics, and volcanoclastics. At Dole pri Litiji, tuffaceous sandstone contains metre-scale olistoliths dominated by microbialites, solenoporacean algae, sponges, microproblematica and, to a minor extent, corals. Six types of fossil reef associations were recognized based on different proportions of these components. The presence of Ladinella porata Ott, dasycladaceans, and solenoporacean algae suggests the olistoliths originate from within the photic zone, perhaps the platform margin or the upper slope. Similar or even identical associations can be found in other Anisian to early Carnian reefs, suggesting the perseverance of reef associations that established themselves during the Middle Triassic recovery. Rather than replacing the older associations, new associations were added through time. The Anisian-early Carnian reef associations thus probably remained present even after the Late Triassic rise of scleractinian corals to dominance.
机译：Ladinian伪组在斯洛文尼亚的Sava褶皱中央部分，位于碳酸盐平台的深层海洋盆地中，位于新西多米斯西部的碳酸盐平台中。该形成包括页岩和砂岩，血管石石灰石，火山岩和火山岩。在Dole Pri利利利岛，凝灰岩砂岩含有由微生物矿石，螺旋藻，海绵，微妙的珊瑚菌，微妙的蛋白质粒子镶嵌米塞氏砂岩。根据这些组分的不同比例认可六种类型的化石礁协会。 Ladinella Porata Ott，Dasycladaceans和旋转杆菌藻类的存在表明Olistoliths来自光区内，也许是平台缘或上斜率。在其他奥西亚到早期的肉礁中可以发现类似甚至相同的协会，这表明在中间三叠系恢复期间建立了自己的珊瑚礁协会的毅力。通过时间增加了新的关联而不是替换旧的关联。因此，即使在巩膜外珊瑚的晚期三叠纪崛起，也可能仍然存在仍然存在仍然存在的珊瑚礁冠军。

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