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Title: Radiolarian age constraints on Mesotethyan ocean evolution, and their implications for development of the Bangong-Nujiang suture, Tibet
Contributor(s): Baxter, Alan  (author); Aitchinson, Jonathan C (author); Zyabrev, Sergey V (author)
Publication Date: 2009
DOI: 10.1144/0016-76492008-128
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Abstract: Radiolarian discoveries indicate that deep-marine conditions prevailed in central Tibet from the early Middle Jurassic until well into the Early Cretaceous (late Hauterivian-early Aptian; 131-121 Ma) and help to constrain the temporal extent of oceanic conditions along the Bangong-Nujiang suture. These new fossils occur in chert or siliceous mudstone blocks associated with the Lagkor Tso ophiolitic mélange. Basin inversion associated with closure of Mesotethys between the Qiangtang and Lhasa terranes was accompanied by mélange formation and predated regionally widespread deposition of overlying shallow-marine late Aptian-Albian orbitolinid limestones.
Publication Type: Journal Article
Source of Publication: Journal of the Geological Society, 166(4), p. 689-694
Publisher: Geological Society Publishing House
Place of Publication: United Kingdom
ISSN: 2041-479X
Field of Research (FOR): 040313 Tectonics
040310 Sedimentology
040311 Stratigraphy (incl Biostratigraphy and Sequence Stratigraphy)
Socio-Economic Outcome Codes: 970104 Expanding Knowledge in the Earth Sciences
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Environmental and Rural Science

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