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Taishir Mongolia

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Journal Article
Journal: PALAIOS
Published: 01 March 2015
PALAIOS (2015) 30 (3): 238–247.
... the ca. 662–635 Ma Taishir Formation (Tsagaan Olom Group, Mongolia). Sheets are applanate. One surface contains raised ridges and conspicuous, ∼ 100-µm-tall warty protuberances with depressed tops that enclose internal cavities containing cellular structures. The Taishir MOWS may be the remains...
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Journal Article
Journal: GSA Bulletin
Published: 23 June 2017
GSA Bulletin (2017) 129 (9-10): 1280–1299.
... of the Aralka Formation (seemingly correlative with the Taishir excursion of SW Mongolia); (3) a subsequent mid-Cryogenian positive excursion (the Keele Peak excursion) in the Limbla Member of the Aralka Formation; and (4) relatively low-magnitude excursions in the Ediacaran Julie Formation. In comparison...
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Journal Article
Published: 01 March 2006
Journal of the Geological Society (2006) 163 (2): 363–373.
... of Petrology , 39 , 1641 – 1668 . Zonenshain , L.P. & Kuzmin , M.I. 1978 . The Khan-Taishir ophiolitic complex of western Mongolia, its petrology, origin and comparison with other ophiolitic complexes . Contributions to Mineralogy and Petrology , 67 , 95 – 109 . Our...
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Journal Article
Journal: Lithosphere
Published: 01 December 2016
Lithosphere (2016) 8 (6): 729–750.
...Uyanga Bold; James L. Crowley; Emily F. Smith; Oyungerel Sambuu; Francis A. Macdonald Abstract The Zavkhan terrane is a Proterozoic cratonic fragment in southwestern Mongolia that forms the core of the Central Asian orogenic belt. We provide new geologic and U-Pb zircon geochronologic constraints...
Journal Article
Journal: GSA Bulletin
Published: 01 March 2016
GSA Bulletin (2016) 128 (3-4): 442–468.
...Emily F. Smith; Francis A. Macdonald; Tanya A. Petach; Uyanga Bold; Daniel P. Schrag Abstract The Zavkhan terrane in western Mongolia preserves thick, fossiliferous, carbonate-rich strata that span the Ediacaran-Cambrian transition. Measured stratigraphic sections and geological mapping...
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Journal Article
Journal: Geology
Published: 01 May 2015
Geology (2015) 43 (5): 459–462.
... ± 0.03 ( Fig. 2B ). The basal Taishir Formation of Mongolia yields a depositional Re-Os age of 659.0 ± 4.5 Ma (2σ, n = 6, MSWD = 0.67), with a moderately radiogenic Os i value of 0.60 ± 0.01 ( Fig. 2C ). Regression of the isotopic composition data from samples of the Sheepbed Formation of northwest...
FIGURES
Image
A ) Map showing location of fossiliferous sections F864, F865, and T704; bl...
in > PALAIOS
Published: 01 March 2015
Fig. 1.— A ) Map showing location of fossiliferous sections F864, F865, and T704; black circle in inset map of Mongolia shows approximate location shown in geological map. B ) Stratigraphic sections of fossiliferous localities, adapted from Bosak et al. (2011b) . Each column is a composite
Journal Article
Journal: PALAIOS
Published: 19 December 2017
PALAIOS (2017) 32 (12): 769–778.
... 1992 ; Butterfield and Rainbird 1998 ). The life mode of Obruchevella preserved in the Ikiakpuk formation is different from that of agglutinated or carbonaceous benthic eukaryotes preserved in the Rasthof Formation of Namibia, the Kakontwe Formation of Zambia, and the Taishir Formation of Mongolia...
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Journal Article
Journal: Paleobiology
Published: 10 September 2015
Paleobiology (2015) 41 (4): 610–632.
... that are larger than mm scale and confidently assigned to the Eukarya. Examples include various carbonaceous compression fossils such as Chuaria (Vidal et al. 1993 ) and macroscopic organic warty sheets found in the Taishir Formation of Mongolia (Cohen et al. 2015 ). We...
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Journal Article
Journal: GSA Bulletin
Published: 17 October 2019
GSA Bulletin (2019)