Results 81 to 90 of about 115,713 (383)
Геодинамика и тектонофизика, 2019 The Main Uralian fault (MUF) zone is a suture at the junction of the Urals and the East European platform (EEP). Its complex tectonic melange is still poorly studied.
A. V. Korovko +3 more
doaj +1 more source
New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton
Nature Communications, 2018 The rapid diversification of metazoans and their organisation in modern-style marine ecosystems during the Cambrian profoundly transformed the biosphere.
R. Lerosey‐Aubril, Stephen Pates
semanticscholar +1 more source
A normalised seawater strontium isotope curve: possible implications for Neoproterozoic-Cambrian weathering rates and the further oxygenation of the Earth [PDF]
, 2007 The strontium isotope composition of seawater is strongly influenced on geological time scales by changes in the rates of continental weathering relative to ocean crust alteration.
Shields, GA
core +1 more source
Tectonic overview of the West Gondwana margin [PDF]
, 2008 The oceanic southern margin of Gondwana, from southern South America through South Africa, West Antarctica, New Zealand (in its pre break-up position), and Victoria Land to Eastern Australia is one of the longest and longest-lived active continental ...
Pankhurst, Robert J., Vaughan, Alan P.M.
core +1 more source
A typology of schools across the four nations of the United Kingdom: Class, race and geography
British Educational Research Journal, EarlyView.Abstract In this paper we analyse the hierarchical field of schools across the United Kingdom during the transition to university and suggest that there are five socially distinct clusters of schools. Our five‐cluster typology of UK schools is composed of an established group of elite private and state schools, schools for the white rural and suburban ...
Sol Gamsu, Håkan Forsberg
wiley +1 more source
Research progress on marine oil and gas accumulation in Tarim Basin
Shiyou shiyan dizhi, 2020 In recent years, great achievements have been made in the exploration of ultra-deep marine oil and gas in the Tarim Basin. New oil and gas discoveries have been achieved in the Shunbei Ordovician, Tazhong Cambrian and Tahe deep strata, which provide ...
Yi GU +5 more
doaj +1 more source
地质科技通报, 2022 Carbon isotope stratigraphy is an important means to subdivide and correlate the Cambrian strata. Based on the carbon isotope analysis of the carbonate strata of Lütuogou Section, northern Henan Province, it is found the δ13C value of carbonate samples ...
Yonglin Chen +5 more
doaj +1 more source
An early Cambrian greenhouse climate
Science Advances, 2018 An early Cambrian greenhouse climate constrained by combining oxygen isotope and climate modeling data approaches. The oceans of the early Cambrian (~541 to 509 million years ago) were the setting for a marked diversification of animal life. However, sea
T. Hearing +8 more
semanticscholar +1 more source
The last common bilaterian ancestor [PDF]
, 2002 Many regulatory genes appear to be utilized in at least superficially similar ways in the development of particular body parts in Drosophila and in chordates.
Davidson, Eric H., Erwin, Douglas H.
core
Geologic quadrangle map no. 47 [PDF]
, 1978 Process Steps: 1. Either: a) a Portable Document Format (PDF) version of the map provided the Bureau of Economic Geology, University of Texas at Austin was converted from pdf to Tagged Image File Format (TIFF) or b) a paper map was scanned and saved in ...
Barnes, Virgil E. (Virgil Everett), 1903-1998
core +1 more source