| 词汇 | fossiliferous |
| 释义 | BETA Examples of fossiliferousfossiliferous isn’t in the Cambridge Dictionary yet. You can help! A total of 23 conodont samples were collected from the most fossiliferous levels determined in the field, and more than 400 thin sections were made. These cover strata are richly fossiliferous, deficient in terrigenous clastic detritus and contain large-scale cross-stratification. Inside the sandstone bodies, coal lenses up to 10 cm thick and 20 cm wide, and fossiliferous (molluscs) resedimented clasts of mudstones are present. At the lower right is the main fossiliferous deposit 'd' that formed part of a cavernous structure. Fossiliferous samples yielded altogether over 825 specimens that were identified to species level. The triangular shapes represent limited horizons of oceanic, rather than continental, sediment assemblages, which are often tectonically intercalated, but frequently fossiliferous. Coverage is inevitably uneven being largely controlled by suitably fossiliferous sites, but one can question the choices. The fossiliferous coarse-grained sandy layers exhibit well-preserved symmetrical ripples on their tops (section 5). The upper 1.5 m consist of poorly sorted pebbly sandstone, with basalt clasts up to 30 cm diameter, and fossiliferous palagonite breccia. The stinkstones in the basal part of the section (-2.7 m) generally are richly fossiliferous. The fossiliferous sequence is composed mainly of dark grey shales, and the fossils were found in a single bed where thin interlayered beds of fine reddish-brown micaceous sandstones appear. Borrello (1962) improved the understanding of the fossiliferous levels of this unit, assigning them to a recurrent biofacies. The lower part is sparsely fossiliferous. Fossiliferous pockets represent concentration by current activity. I admire the tenacity with which the allometrists continue to regard brain size as the most salient explanation for behavioral differences among species, whether extant or fossiliferous. Given the identification of several mappable units, this sequence of fossiliferous, marine sandstones and mudstones with minor terrestrial/shallow water facies has been raised to group status. It was deposited in a calm marine environment, and is fossiliferous. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Stela 8 is a plain monument made from fossiliferous limestone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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