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Gibraltar Limestone : ウィキペディア英語版 | Gibraltar Limestone
Gibraltar Limestone consists of greyish-white or pale-gray compact, and sometime finely crystalline, medium to thick bedded limestones and dolomites that locally contain chert seams. This formation comprises about three quarters of the Rock of Gibraltar near Spain. Geologists have found various poorly preserved and badly eroded and rolled marine fossils within it. The fossils found in the Gibraltar Limestone include various brachiopods, corals, echinoid fragments, gastropods, pelecypods, and stromatolites. These fossils indicate an Early Jurassic age (Lower Lias) for the deposition of the Gibraltar Limestone.〔Rose, E. P. F., and M. S. Rosenbaum (1991). ''A Field Guide to the Geology of Gibraltar''. Gibraltar: The Gilbraltar Museum. p. 192.〕 ==See also==
* List of types of limestone * List of fossiliferous stratigraphic units in Spain
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gibraltar Limestone」の詳細全文を読む
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