Articles with "zircon grains" as a keyword



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U–Pb age and Hf isotope record of detrital zircon grains from the North Delhi Supergroup, NW India: implications for provenance and stratigraphic correlations

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Published in 2019 at "International Journal of Earth Sciences"

DOI: 10.1007/s00531-019-01782-y

Abstract: The depositional ages of two Proterozoic supracrustal belts, the older Aravalli Supergroup and the younger Delhi Supergroup, overlying the Aravalli Banded Gneissic Complex in NW India are still unresolved. This study presents new combined detrital… read more here.

Keywords: north delhi; zircon; age; zircon grains ... See more keywords
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Apollo 12 breccia 12013 : Impact-induced partial Pb loss in zircon and its implications for lunar geochronology

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Published in 2018 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2018.03.023

Abstract: Abstract Apollo 12 breccia 12013 is composed of two portions, one grey in colour, the other black. The grey portion of the breccia consists mainly of felsite thought to have formed during a single crystallisation… read more here.

Keywords: zircon; age; impact; zircon grains ... See more keywords
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Neoproterozoic evolution of northern Gondwana recorded in detrital zircon grains from the Gheshlagh bauxite deposit, Alborz Mountains, Iran Block

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Published in 2021 at "Gondwana Research"

DOI: 10.1016/j.gr.2020.12.033

Abstract: Abstract When the Cimmerian Continent separated from Gondwana and drifted northward to equatorial latitudes, sedimentary rocks on the continent underwent intense weathering, resulting in the formation of bauxite deposits. Gheshlagh is one such bauxite deposit,… read more here.

Keywords: zircon; zircon grains; detrital zircon; gondwana ... See more keywords
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Insight into Archean crustal growth and mantle evolution from multi-isotope U-Pb and Lu-Hf analysis of detrital zircon grains from the Abitibi and Pontiac subprovinces, Canada

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Published in 2021 at "Precambrian Research"

DOI: 10.1016/j.precamres.2021.106136

Abstract: Abstract Lu-Hf laser ablation – multi-collector – inductively coupled plasma – mass spectrometry (LA-MC-ICP-MS) analysis was conducted on ~1800 detrital zircon grains from successor basins of the Archean Abitibi and Pontiac subprovinces of Ontario and Quebec,… read more here.

Keywords: growth; pontiac subprovinces; zircon; zircon grains ... See more keywords
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Maximum depositional age of the Neoproterozoic Jacobsville Sandstone, Michigan: Implications for the evolution of the Midcontinent Rift: COMMENT

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Published in 2018 at "Geosphere"

DOI: 10.1130/ges01575.1

Abstract: Malone et al. (2016) propose that the maximum age of the Jacobsville Sandstone is 959 ± 19 Ma based on laser ablation U-Pb geochronological data from detrital zircons. This result has been used to draw… read more here.

Keywords: fault; age; malone; zircon grains ... See more keywords
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Identification and Origin of Jurassic (~182 Ma) Zircon Grains from Chromitite within the Peridotite of the Jijal Complex, Kohistan Arc in North Pakistan

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Published in 2020 at "Minerals"

DOI: 10.3390/min10121085

Abstract: The Jijal ultramafic–mafic complex in Pakistan probably preserves the most complete fragments of the petrological Moho. However, a few studies argue for multiple origins (including petrogenetic speculations and tectonic reconstructions) for different lithologies. One of… read more here.

Keywords: zircon; jijal complex; arc; ultramafic rocks ... See more keywords