Burdigalian to Early Serravallian Diatom Biostratigraphy from Havelock Island, Northern Indian Ocean

Autor:	Jai Prakash Keshri, Rikee Dey, Arindam Chakraborty, Lopamudra Roy, Amit Ghosh, Sunita Saxena
Rok vydání:	2021
Předmět:	010506 paleontology geography food.ingredient geography.geographical_feature_category biology Outcrop Stratigraphy Paleontology Geology Biostratigraphy 010502 geochemistry & geophysics biology.organism_classification Neogene 01 natural sciences Oceanography food Diatom Group (stratigraphy) Archipelago Sedimentology Coscinodiscus 0105 earth and related environmental sciences
Zdroj:	Stratigraphy and Geological Correlation. 29:241-262
ISSN:	1555-6263 0869-5938
DOI:	10.1134/s0869593821020064
Popis:	In the Ritchie’s Archipelago of the Andaman group of islands (Northern Indian Ocean), Havelock Island is the largest one. The present study on diatoms has been carried out on three outcrops of Havelock Island situated in Kalapathar, South Point and Laccam Point localities. Samples collected from the three Neogene outcrops yielded poor to moderately preserved diatom valves. Two lithological units are exposed in this island, i.e., Inglis and Long formations. The diatoms have been recovered from the Inglis Formation and the diatom assemblages are represented by the marker diatom species, viz., Actinocyclus ingens, Annellus californicus, Araniscus lewisianus, Cestodiscus peplum, Craspedodiscus coscinodiscus, Denticulopsis simonsenii, and Rossiella paleacea that indicate the age as Burdigalian to early Serravallian.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::11356183364171f4ca2cdd83421cf349 https://doi.org/10.1134/s0869593821020064 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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