Features of the Riphean-Early Paleozoic magmatism of the southeast of the Siberian platform

Autor:	Aleksandr D. Savelev, O. Yu Lebedeva
Rok vydání:	2019
Předmět:	Paleontology Riphean Paleozoic Magmatism Geology
Zdroj:	IOP Conference Series: Earth and Environmental Science. 319:012017
ISSN:	1755-1315 1755-1307
DOI:	10.1088/1755-1315/319/1/012017
Popis:	Geochemical study of mafic dikes and sills of the Riphean (Ulakhanbam) and Ordovician (Suordakh) ages in the area of the Sette-Daban ridge allowed to establish differences between these complexes. For the Ulakhanbam magmatic rocks, the mantle source was basically similar in characteristics to E-MORB. Despite the possible sediment contamination, wide range of εNd(T) values is most likely due to the specific composition of the mantle source, which likely had an admixture of OIB material. The Ordovician reservoir had OIB characteristics, whereas the MORB material had a subordinate significance.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::fcdb7be51a60befb12062de1a4b12c23 https://doi.org/10.1088/1755-1315/319/1/012017 Zobrazit plný text záznamu