Results 21 to 30 of about 1,213 (194)

Study on borehole provenance tracing and fluvial sediment diffusion in the Bohai Sea: Double constraints from detrital zircon U-Pb age and in-situ geochemical element of apatite grains

open access: yesDizhi lixue xuebao, 2021
Bohai Bay Basin, located in the North China Craton, are surrounded by the Yanshan Mountains to the north, the Taihang Mountains to the west, the Jiaodong and Liaodong peninsulas to the south and east, respectively.
LIN Xu   +4 more
doaj   +1 more source

OneDZ: a global detrital zircon database and implications for constructing giant geoscience database [PDF]

open access: yesEarth System Science Data
The amount of detrital zircon U-Pb geochronology data and Lu-Hf isotopic data has doubled in the past two decades with the continuous improvement of analytical methods, and has developed into the most closely integrated research field in earth science ...
K. Li   +23 more
doaj   +1 more source

Detrital-zircon geochronology and sedimentary provenance [PDF]

open access: yesLithosphere, 2011
The article on sources of Paleozoic sediment in the Grand Canyon by [Gehrels et al. (2011)][1] in the June issue of Lithosphere illuminates progress in studies of sedimentary provenance, which have evolved dramatically during the past fifty years. During my dissertation research at Virginia Tech,
openaire   +1 more source

Detrital zircon of 4.1 Ga in South China [PDF]

open access: yesChinese Science Bulletin, 2012
One hadean zircon from the Cambrian sandstone in the southern part of South China has a U-Pb age of 4107±29 Ma with ɛ Hf(t) value similar to that of the homochronous depleted mantle and Hf model age of 4102±21 Ma. This demonstrates the existence of hadean crustal remnant in South China.
Xu, YaJun   +6 more
openaire   +1 more source

Detrital Zircon Provenance in the Sediments in the Southern Okinawa Trough [PDF]

open access: yesJournal of Marine Science and Engineering, 2022
The provenance of sediments in the Southern Okinawa Trough since the late Holocene has been a controversial scientific issue during the past 20 years. Previous studies based on isotope proxies generally indicated Taiwanese rivers as the primary source in the Southern Okinawa Trough since the late Holocene.
Zhu, Bowen, Zeng, Zhigang
openaire   +2 more sources

Minimizing the effects of Pb loss in detrital and igneous U–Pb zircon geochronology by CA-LA-ICP-MS [PDF]

open access: yesGeochronology
Detrital zircon geochronology by laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) is a widely used tool for determining maximum depositional ages and sediment provenance, as well as reconstructing sediment routing pathways ...
E. E. Donaghy   +3 more
doaj   +1 more source

New geochronological and provenance constraints on the Late Mesozoic sedimentary formations in the western Shandong Province and Tanlu fault zone, China

open access: yesFrontiers in Earth Science, 2023
We present new LA-ICP-MS detrital zircon U-Pb age and trace element data of the Late Mesozoic sedimentary sequences from the western Shandong and Tanlu fault zone, with the aim to constrain the depositional ages and sedimentary sources.
Yuanku Meng   +4 more
doaj   +1 more source

Metamictization and chemical durability of detrital zircon

open access: yesAmerican Mineralogist, 2001
We have investigated the effect that metamictization has on the weathering of zircon in detrital continental sediments and tropical soils of the Amazon basin, Brazil. The degree of radiation damage in the near-surface region of the zircon grains was determined by Raman microprobe. In each of the four series investigated (i.e., sediment, podzol, topsoil,
Balan, Etienne   +5 more
openaire   +2 more sources

Provenance study of Phanerozoic rocks from the Cordillera Real of Bolivia

open access: yesBrazilian Journal of Geology, 2021
U/Pb ages of detrital zircon from two samples of Ordovician sediments were determined and, based on similar published data, were compared with xenocrystal inheritance of Triassic and Oligocene granitoids of the Cordillera Real in order to better ...
Alvaro Rodrigo Iriarte   +2 more
doaj   +1 more source

Exhumation history of the Variscan suture: Constrains on the detrital zircon geochronology from Carboniferous–Permian sandstones (Northern Gemericum; Western Carpathians)

open access: yesGeologica Carpathica, 2019
The Late Paleozoic sedimentary basins in the Northern Gemericum evolved gradually in time and space within the collisional tectonic regime of the Western Carpathian Variscan orogenic belt. The detrital zircon age spectra, obtained from the Mississippian,
Vozárová Anna   +6 more
doaj   +1 more source

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