202271 · New zircon U-Pb and Hf-O isotopes and whole-rock elemental and Sr-Nd-Pb isotopic data of the igneous and associated sedimentary rocks in West Borneo document the development of Early (∼200–185 Ma) and Late (∼160–145 …
view more2019103 · This study reports integrated whole-rock geochemistry and LA-ICP-MS zircon U-Pb ages of sedimentary rocks from the Silurian Xuniwusu Formation, the Devonian Xilingol Complex and the Permian Zhesi Formation in the Hegenshan-Xilinhot-Linxi area in central Inner Mongolia, China.
view more201671 · Conclusions The following conclusions are based on analyses of the detrital zircon U–Pb geochronology of selected rocks from Neoproterozoic to early Paleozoic sedimentary strata of the NQB, Central China.
view more201731 · Request PDF | Primary uranium sources for sedimentary-hosted uranium deposits in NE China: insight from basement igneous rocks of the Erlian Basin | Carboniferous–Permian, Triassic and Jurassic ...
view more2008730 · Semantic Scholar extracted view of "Geochemistry of fine-grained clastic sedimentary rocks of the Neoproterozoic Ikorongo Group, NE Tanzania: Implications for provenance and source rock weathering" by C. H. Kasanzu et al.
view more2 · Sedimentary Rocks. Sedimentary rocks are one of the three main types of rocks found on Earth, along with igneous and metamorphic rocks. They are formed through the accumulation, compaction, and cementation of various sediments over time. Sediments are fragments of rocks, minerals, organic material, and even chemical precipitates that have …
view more2024530 · In contrast, some sedimentary rocks preserved in Archean platformal sequences of high-grade terranes display significant negative Eu-anomalies similar to the majority of post-Archean shales, indicating that the general process of cratonization, including intracrustal differentiation, has taken place since at least 3.8 Ga.
view more202151 · The chemical composition of sedimentary and metasedimentary rocks has been widely used to determine provenance, weathering of source-areas, and tectonic setting of sedimentary basins, as it provides a representative overview of the average crust geochemistry ( Augustsson and Bahlburg, 2003, Dostal et al., 2009, Piñán-Lhamas and …
view more2021522 · The integration of lead and sulfur isotopes indicates that the ore-forming materials for these deposits were derived from both sedimentary rocks and igneous intrusions (Li et al., 2009; Wang, 2016;
view more2012330 · The Paleozoic sedimentary strata are metamorphosed to greenschist facies and consist of a sequence of schist, phyllite, slate, quartzite and meta-sandstone, similar to basement rocks identified from drill holes beneath the Songliao Basin.
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