Следене
Graham Shields
Graham Shields
Professor of Chemical Geology
Потвърден имейл адрес: ucl.ac.uk - Начална страница
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Позовавания
Година
Diagenetic constraints on the use of cerium anomalies as palaeoseawater redox proxies: an isotopic and REE study of Cambrian phosphorites
G Shields, P Stille
Chemical Geology 175 (1-2), 29-48, 2001
8422001
Strontium isotope stratigraphy
JM McArthur, RJ Howarth, GA Shields
The geologic time scale, 127-144, 2012
7602012
The Neoproterozoic oxygenation event: Environmental perturbations and biogeochemical cycling
LM Och, GA Shields-Zhou
Earth-Science Reviews 110 (1-4), 26-57, 2012
6332012
Effective use of cerium anomalies as a redox proxy in carbonate-dominated marine settings
R Tostevin, GA Shields, GM Tarbuck, T He, MO Clarkson, RA Wood
Chemical Geology 438, 146-162, 2016
5552016
Precambrian marine carbonate isotope database: Version 1.1
G Shields, J Veizer
Geochemistry, Geophysics, Geosystems 3 (6), 1 of 12-12 of 12, 2002
5512002
Compilation and time-series analysis of a marine carbonate δ18O, δ13C, 87Sr/86Sr and δ34S database through Earth history
A Prokoph, GA Shields, J Veizer
Earth-Science Reviews 87 (3-4), 113-133, 2008
5382008
Co-evolution of eukaryotes and ocean oxygenation in the Neoproterozoic era
TM Lenton, RA Boyle, SW Poulton, GA Shields-Zhou, NJ Butterfield
Nature Geoscience 7 (4), 257-265, 2014
4152014
The oxygen isotope evolution of seawater: A critical review of a long-standing controversy and an improved geological water cycle model for the past 3.4 billion years
JBD Jaffrés, GA Shields, K Wallmann
Earth-Science Reviews 83 (1-2), 83-122, 2007
4072007
Integrated chemo-and biostratigraphic calibration of early animal evolution: Neoproterozoic–early Cambrian of southwest Mongolia
MD Brasier, G Shields, VN Kuleshov, EA Zhegallo
Geological Magazine 133 (4), 445-485, 1996
3711996
Rise to modern levels of ocean oxygenation coincided with the Cambrian radiation of animals
X Chen, HF Ling, D Vance, GA Shields-Zhou, M Zhu, SW Poulton, LM Och, ...
Nature communications 6 (1), 7142, 2015
3702015
Cerium anomaly variations in Ediacaran–earliest Cambrian carbonates from the Yangtze Gorges area, South China: implications for oxygenation of coeval shallow seawater
HF Ling, X Chen, DA Li, D Wang, GA Shields-Zhou, M Zhu
Precambrian Research 225, 110-127, 2013
3442013
Has the REE composition of seawater changed over geological time?
GA Shields, GE Webb
3432004
Neoproterozoic cap carbonates: a critical appraisal of existing models and the plumeworld hypothesis
GA Shields
Terra Nova 17 (4), 299-310, 2005
3322005
Trace and rare earth element geochemistry of black shale and kerogen in the early Cambrian Niutitang Formation in Guizhou province, South China: Constraints for redox …
DH Pi, CQ Liu, GA Shields-Zhou, SY Jiang
Precambrian Research 225, 218-229, 2013
3192013
Sr, C, and O isotope geochemistry of Ordovician brachiopods: A major isotopic event around the Middle-Late Ordovician transition
GA Shields, GAF Carden, J Veizer, T Meidla, JY Rong, RY Li
Geochimica et Cosmochimica Acta 67 (11), 2005-2025, 2003
3062003
New U-Pb zircon dates for the Neoproterozoic Ghubrah glaciation and for the top of the Huqf Supergroup, Oman
M Brasier, G McCarron, R Tucker, J Leather, P Allen, G Shields
Geology 28 (2), 175-178, 2000
2842000
Ediacarian sponge spicule clusters from southwestern Mongolia and the origins of the Cambrian fauna
M Brasier, O Green, G Shields
Geology 25 (4), 303-306, 1997
2771997
Trace element chemostratigraphy of two Ediacaran–Cambrian successions in South China: implications for organosedimentary metal enrichment and silicification in the early Cambrian
Q Guo, GA Shields, C Liu, H Strauss, M Zhu, D Pi, T Goldberg, X Yang
Palaeogeography, Palaeoclimatology, Palaeoecology 254 (1-2), 194-216, 2007
2592007
Paleoclimates, ocean depth, and the oxygen isotopic composition of seawater
JF Kasting, MT Howard, K Wallmann, J Veizer, G Shields, J Jaffrés
Earth and Planetary Science Letters 252 (1-2), 82-93, 2006
2512006
The case for a Neoproterozoic oxygenation event: geochemical evidence and biological consequences
G Shields-Zhou, L Och
GSa Today 21 (3), 4-11, 2011
2402011
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