Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Calcareous algae"”.
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ASPECTS OF THE MICROPALAEONTOLOGY AND STRATIGRAPHY OF CRETACEOUS SHELF CARBONATES FROM THE OMAN MOUNTAINS
… and microfacies analysis. The foraminifera, calcareous algae and calpionellids in each sample were recorded in order to provide a means of biostratigraphic subdivision, and together with microfacies analysis and sedimentological observations made in the field, provide a means of elucidating …
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Comunidades recifais do Arquipélago dos Abrolhos, BA, com ênfase em corais (Cnidaria: Scleractinia e Milleporidae): aspectos metodológicos e comparações entre locais
… organisms, between depths of 1.9 and 4.0 m, were calcareous algae (12.3 to 19.5%) and the coral M braziliensis (1.8 to 24.5%). Several significant differences were found among the three surveyed areas and, in Siriba Island, between different stations of a single area. The main biotic differences …
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A lithologic study of the Stony Mountain and Stonewall formations in southern Manitoba
… to the first appearance of encrusting, layered calcareous algae. The terrigenous sediment was supplied from three sources. One was a group of islands of Precambrian rock located just to the north, one the landmass to the southeast that also supplied the Maquoketa and Queenston formations, and …
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Comparing Reef Bioindicators on Benthic Environments off Southeast Florida
… (60%), with molluscan debris second (20%), and calcareous algae third (4.5%); larger foraminiferal shells and coral fragments together made up < 5.5%. The resulting sediment constituent (SEDCON) Index was consistently <2, indicating that erosional processes dominate over sediment production …
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Micropalaeontology, Palaeoenvironments and Sequence Stratigraphy of the Sulaiy Formation of Eastern Saudi Arabia
… foraminifera, agglutinated foraminifera, calcareous algae, calcispheres, stromatoporoids, sponge spicules, problematica (e.g. Lithocodium aggregatum), molluscs, corals, echinoderms and ostracods. Systematics of planktic and benthic foraminifera is accomplished using the foraminiferal …
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MISSISSIPPIAN MUD MOUNDS OF DERBYSHIRE (ENGLAND, UK): FACIES ARCHITECTURE AND BIOTIC EVOLUTION
… of Yorkshire) and mud mounds in the absence of calcareous algae, corals, less skeletal diversity, and possibly deeper depositional setting.