Zircon U-Pb-Hf
Fingerprinting Proterozoic bedrock in interior Wilkes Land, East Antarctica
... new zircon U–pb and Hf isotopic data from remote Antarctic outcrops with aeromagnetic data observations from the conjugate Australian-Antarctic margins to identify two new Antarctic ...
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Evolution of the patagonian west antarctica margin of gondwana in the palaeozoic–early mesozoic: new models constrained by zircon u pb ages, and o and hf isotopic compositions
... the U-Pb zircon age compilation of igneous and metamorphic rocks from the possible source areas (Electronic Appendix 2: CHAPTER ...published U-Pb zircon age compilation of ...
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PubMedCentral-PMC5342656.pdf
... integrated U-Pb date and Hf isotopes on detrital zircon grains from globally dis- tributed siliciclastic sediments (database ...combined U-Pb and Hf isotopes on detrital ...
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Building Mesoarchaean crust upon Eoarchaean roots : the Akia Terrane, West Greenland
... report zircon U–Pb and Lu–Hf isotope data, and whole-rock geochem- istry, from samples of gneiss and supracrustals from the northern Akia Terrane, including from the Finnefjeld Orthogneiss ...
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Isotopic insight into the Proterozoic crustal evolution of the Rudall Province, Western Australia
... new zircon O isotope data from seven samples (all pre- viously dated by SHRIMP zircon U–Pb geochronology; see below) from granitic suites across the three terranes (Connaughton, Tabletop and ...
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The Novo Progresso Formation, Tapajós Gold Province, Amazonian Craton: zircon U-Pb and Lu-Hf constraints on the maximum depositional age, reconnaissance provenance study, and tectonic implications
... situ zircon U-Pb and Lu-Hf LA-ICP- MS analyses were undertaken at the Laboratório de Estudos Geocronológicos, Geodinâmicos e Ambientais of the Universidade de Brasília (UnB), Brasília, ...the ...
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Chemical Abrasion Applied to LA ICP MS U Pb Zircon Geochronology
... no Pb-loss. In order to reduce uncertainties due to Pb-loss a method of “air-abrasion” was developed to physically abrade the exterior portions of zircons ...to Pb-loss due to either higher-U ...
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Contribution to the understanding of the Rondonia Tin Province granites (SW Amazonian Craton) origin using U-Pb and Lu-Hf in zircon by LA-ICP-MS: implications to A-type granite genesis
... of Hf isotopic values and Hf-isotope depleted mantle ages reflected the different ...The U-Pb ages shown that the Massangana massif has different ages (1026 ± 16 Ma 1010 ± 12 Ma, 1005 ± 10 Ma, ...
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Microstructural Geochronology of Zircon Across the Central Uplift of the Vredefort Impact Structure, South Africa
... powerful U-Pb and Lu-Hf ...in zircon can be considered as two main ...ejecta zircon and crater zircon may experience instantaneous loading and unloading cycles as high as 100 ...
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The origin of the Palaeoproterozoic AMCG complexes in the Ukrainian Shield : new U Pb ages and Hf isotopes in zircon
... of U-Pb zircon and baddeleyite dating of 16 samples from the Korosten plutonic complex (KPC), and 6 samples from the Korsun-Novomyrhorod plutonic complex ...Fifteen zircon samples from both ...
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Thesis
... for zircon separation with a jaw crusher and split into fractions for geochronology and geochemical ...separator. Zircon fractions were hand-picked using a binocular ...to Pb diffusion (Mattinson, ...
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Neoproterozoic crustal growth of the Southern Yangtze Block : Geochemical and zircon U–Pb geochronological and Lu Hf isotopic evidence of Neoproterozoic diorite from the Ailaoshan zone
... Please cite this article as: Cai, Y., Wang, Y., Cawood, P.A., Zhang, Y., Zhang, A.,Neoproterozoic crustal growth of the Southern Yangtze Block: Geochemical and zircon UndashPb geochronological and Lu-Hf ...
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Record of Tethyan ocean closure and Indosinian collision along the Ailaoshan suture zone (SW China)
... The zircon standards CN92-2, 91500 and GJ were used to calibrate the U-Th-Pb ...individual U-Pb analyses are presented with 1σ error and uncertainties in grouped ages are quoted at 95 % ...
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Early Proterozoic U Pb Zircon Ages from Basement Gneiss at the Solovetsky Archipelago, White Sea, Russia
... of Pb by later processes seems to have affected some of the zir- cons because of their lower Pb-U isotope ...of zircon material for analy- Figure ...
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Insights into the evolution of The Hindu Kush Kohistan Karakoram from modern river sand detrital geo and thermochronological studies
... The detrital zircon U-Pb ages from modern river sediments of Indus tributaries MRS 2,.. compiled published bedrock data from the source terranes..[r] ...
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Silicic ash beds bracket Emeishan Large Igneous Province to < 1 m y at ~ 260 Ma
... Fifteen volcano-sedimentary rock samples were analyzed for bulk-rock geochemistry, including two ferruginous mudstone samples and six claystone samples from the Wangpo Bed of the Maokou Formation and six claystone ...
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U Pb zircon constraints on tectonic development of the Unst Ophiolite: an oceanic core complex in the Scottish Caledonides?
... In this paper we: 1 report the results of U-Pb dating of metamorphic zircon from the sole of the ophiolite, thus placing a lower limit on the timing of obduction , and 2 re-evaluate publ[r] ...
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U Pb zircon ages for Yarlung Tsangpo suture zone ophiolites, southwestern Tibet and their tectonic implications
... *Corresponding author: Jonathan Aitchison Tel.: +61 93513244 email address: [email protected] Abstract Ophiolite complexes preserved along the Yarlung Tsangpo suture zone [r] ...
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U Pb zircon ages for Yarlung Tsangpo suture zone ophiolites, southwestern Tibet and their tectonic implications
... Other Mesozoic ophiolitic rocks associated with this belt extend from Nagaland in NE India across southern Tibet and into NW India at Nidar and Spontang, thence Pakistan at Waziristan and Muslim Bagh. Super fi cially they ...
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The metasedimentary Macururé Complex (Sergipano Belt, Borborema Province, Brazil) in southern Alagoas state: geology and geochronology
... Orogeny. Zircon U-Pb dating of orthogneiss samples of the Jirau do Ponciano Complex yielded dominant crystallization ages in the interval ...2019). U-Pb dating of detrital zircon ...
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