首页> 美国政府科技报告 >Overseas Geology and Mineral Resources. Number 54: A New Lithostratigraphical and Palaeoenvironmental Interpretation for the Coralline Limestone Formations (Miocene) of the Maltese Islands
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Overseas Geology and Mineral Resources. Number 54: A New Lithostratigraphical and Palaeoenvironmental Interpretation for the Coralline Limestone Formations (Miocene) of the Maltese Islands

机译:海外地质矿产资源。第54号:马耳他群岛珊瑚石灰岩地层(中新世)的新岩石地层和古环境解释

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The general stratigraphy of the Oligocene and Miocene sediments of the Maltese Islands was firmly established by Spratt (1843) and, despite revision of the formation names, has remained essentially the same up to the present. Lithostratigraphical subdivision of the formations has previously been attempted, but has generally failed in the case of both the Lower and Upper Coralline Limestone formations. In the present account the Lower Coralline Limestone Formation and the Upper Coralline Limestone Formation are divided into a total of eight new members; twelve new beds are defined among the four members of the Upper Coralline Limestone Formation; and two new beds are defined in the Greensand Formation. This has been facilitated by the recognition of several correlative disconformities together with a brachiopod marker bed in the Upper Coralline Limestone Formation. Coralline algae and stromatolite beds have also been used for correlation purposes. Sedimentological and palaeoecological studies have permitted interpretations of the palaeoenvironment to be made. (Copyright (c) Crown Copyright 1978.)

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