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首页> 外文期刊>Facies >Microfacies and cycle stacking pattern in Liassic peritidal carbonate platform strata, Gavrovo-Tripolitza platform, Peloponnesus, Greece
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Microfacies and cycle stacking pattern in Liassic peritidal carbonate platform strata, Gavrovo-Tripolitza platform, Peloponnesus, Greece

机译：希腊伯罗奔尼撒半岛Gavrovo-Tripolitza平台下叠层碳酸盐岩碳酸盐岩台地层的微相和循环堆积模式

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摘要

Platform carbonate sediments of Liassic age cropping out in the area of the Pigadi-Fokianos Gulf (SE of Leonidion, Peloponnesus) have been investigated in order to determine their depositional environment. Facies analysis allowed the recognition of several microfacies types and their cyclic stacking pattern. The carbonates were deposited in a restricted inner platform environment (lagoon-peritidal domain) and are arranged into small-scale shallowing-upward cycles. Palaeosol horizons containing typical pedogenic features are developed on the top of the peritidal facies or are directly superimposed on subtidal deposits, forming diagenetic caps. This implies repeated sea-level fluctuations and periodic emersion episodes. The presence of orbitally forced cyclicity though is mostly probable, cannot be clearly documented by the available data. The studied carbonates are comparable with other coeval analogous peritidal cycles of the same age along the southern margin of the Tethys.
机译：为了确定其沉积环境，对Pigadi-Fokianos海湾地区（伯罗奔尼撒半岛的Leonidion的SE）种植的Liassic年龄的台地碳酸盐沉积物进行了调查。相分析允许识别几种微相类型及其循环堆积模式。碳酸盐沉积在受限制的内部平台环境（泻湖-围岩域）中，并排列成小规模的浅向上循环。含典型成岩特征的古土壤层系发育于围岩相顶部，或直接叠加在潮下带沉积物上，形成成岩盖层。这意味着反复的海平面波动和周期性的爆发。轨道强迫周期性的存在虽然很可能发生，但可用数据无法清楚地记录下来。所研究的碳酸盐岩与特提斯南部边缘相同年龄的其他类似时代的蠕动周期相当。

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