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Preserved Sm-Nd Isotopic Composition as Useful Provenance Indicators in Neoproterozoic Sandstones in the Voltaian Basin, Ghana
Isotope Model Age Provenance Sandstone Voltaian Basin
2013/3/8
The provenance of sandstones derived from theLower Voltaian Kwahu-Morago Group and the Middle Voltaian Oti-Pendjari Group of the Neoproterozoic Voltaian basin are discriminated by their Sm-Nd Isotopic...
Neoproterozoic peripheral-basin deposits in eastern Finnmark,N. Norway:stratigraphic revision and palaeotectonic implications
Neoproterozoic peripheral-basin deposits stratigraphic revision palaeotectonic implications
2009/12/3
Neoproterozoic (Upper Riphean-lowermost Vendian) deposits of an extensional peripheral basin in the Tanafjorden-Varangerfjorden Region of eastern Finnmark, northern Norway, have been analysed with res...
The Larajæg’gi outcrop–a large combined Neoproterozoic/Pleistocene roche moutonnée at Karlebotn,Finnmark,North Norway
Larajæ g’gi outcrop Neoproterozoic/Pleistocene roche moutonnée Karlebotn
2009/12/3
The gneiss hillocks , which emerge above the Karlebotn quartzite of the Neoproterozoic Smalfjord Formation in the Karlebotn area, North Norway,have been interpreted as primary, uneven basement relief ...
The Late Neoproterozoic Smalfjord Formation of the Varanger Peninsula in northern Norway:a shallow fjord deposit
Late Neoproterozoic Smalfjord Formation Varanger Peninsula shallow fjord deposit
2009/12/3
The Smalfjord Formation in the Varangerfjorden area of northern Norway was deposited as valley fill during an interglacial period of the Varangerian (Marinoan) glaciation. The paleovalley was initiall...
Detrital zircon ages and provenance of the Late Neoproterozoic and Palaeozoic successions on Severnaya Zemlya,Kara Shelf:a tie to Baltica
Detrital zircon ages provenance Neoproterozoic and Palaeozoic successions
2009/12/2
The Neoproterozoic to Devonian sedimentary successions of Severnaya Zemlya, in the Russian high Arctic, have been sampled for detrital zircon provenance studies. 50-100 zircons were analyzed from 11 s...
A normalised seawater strontium isotope curve and the Neoproterozoic-Cambrian chemical weathering event
normalised seawater strontium isotope curve chemical weathering event
2009/10/22
The strontium isotope composition of seawater has varied over geological time in response to changes in the rates of continental weathering relative to ocean crust alteration. However, the potential o...
A normalised seawater strontium isotope curve: possible implications for Neoproterozoic-Cambrian weathering rates and the further oxygenation of the Earth
Neoproterozoic-Cambrian weathering rates the further oxygenation
2010/9/28
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. However, the potent...
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A Pair of Meso-Neoproterozoic island are granitic com-plex in South China:evidence for island are coelision orogenic belt
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英文
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Peng Songbai,Zhang Yeming
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Yichang Institue of...
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Geologic characteristics of the Mozambique Belt and its possible connection with the Trans-Antarctic Mountains as juncture of eastern and western Gondwanas in Neoproterozoic.
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