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Journal Article

Hydrothermal alteration of magmatic titanite: Implications for REE remobilization and the formation of ion-adsorption HREE deposits, South China

Yuzhou Feng, Yuanming Pan, Bing Xiao, Gaobin Chu, Huayong Chen
Published: 01 November 2023
American Mineralogist (2023) 108 (11): 2051–2064.
DOI: https://doi.org/10.2138/am-2022-8644
...Yuzhou Feng; Yuanming Pan; Bing Xiao; Gaobin Chu; Huayong Chen Abstract Ion-adsorption rare earth element (REE) deposits in South China are currently the main source of heavy rare earth elements (HREE). The Gucheng deposit in western Guangdong Province is one example of HREE mineralization hosted...
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View PDF for article title, Hydrothermal alteration of magmatic titanite: Implications for REE remobilization and the formation of ion-adsorption HREE <span class="search-highlight">deposits</span>, South China
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Sketches illustrating the various stages of titanite alteration at the Gucheng deposit during two hydrothermal alteration events and during chemical weathering. (Color online.)

Sketches illustrating the various stages of titanite alteration at the Guch...

Published: 01 November 2023
Figure 12. Sketches illustrating the various stages of titanite alteration at the Gucheng deposit during two hydrothermal alteration events and during chemical weathering. (Color online.)
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The distribution of granites and volcanic rocks in south China (after Li et al. 2019). The location of the Gucheng deposit is marked by a blue dot. (Color online.)

The distribution of granites and volcanic rocks in south China (after Li e...

Published: 01 November 2023
Figure 1. The distribution of granites and volcanic rocks in south China (after Li et al. 2019 ). The location of the Gucheng deposit is marked by a blue dot. (Color online.)
Journal Article

Binding mechanisms of Y and HREE sorption on birnessite: New insights into the formation and sustainable development of regolith-hosted REE deposits

Yuzhou Feng, Huayong Chen, Yuanming Pan, Reza Deevsalar, Leo Ka Long Cheung, Ayetullah Tunc, Kenan Cao, Yuxiang Zhu, Renfei Feng, Mohsen Shakouri, Qunfeng Xiao, Ning Chen, Bing Xiao, Hui Zheng
Published: 18 October 2024
American Mineralogist (2024)
DOI: https://doi.org/10.2138/am-2024-9451
...-hosted REE deposits (i.e., Gucheng and Shangyou, HREE-dominated; and Renju, LREE-dominated) as well as Y-sorbed birnessite from batch experiments. Our results show that birnessite in all three deposits is a minor constituent but contains anomalously high REE concentrations, and contributes to 25.3%, 23.4...
View PDF for article title, Binding mechanisms of Y and HREE sorption on birnessite: New insights into the formation and sustainable development of regolith-hosted REE <span class="search-highlight">deposits</span>
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Journal Article

Enrichment mechanism of heavy rare earth elements in magmatic-hydrothermal titanite: Insights from SXAS/XPS experiments and first-principles calculations and implications for regolith-hosted HREE deposits

Yuzhou Feng, Huayong Chen, Huiyao Kuang, Rucao Li, Bing Xiao, Chao Wu, Hui Zheng, Renfei Feng, Mohsen Shakouri, Yuanming Pan
Published: 29 January 2025
American Mineralogist (2025)
DOI: https://doi.org/10.2138/am-2024-9645
... enrichment in titanite remain unknown. This study investigated two texturally distinct types of HREE-enriched titanite (titanite I and II) in granites from the Gucheng regolith-hosted HREE deposit in South China. Secondary ion mass spectrometry (SIMS) U-Pb dating of rutile associated with titanite I and II...
View PDF for article title, Enrichment mechanism of heavy rare earth elements in magmatic-hydrothermal titanite: Insights from SXAS&#x2F;XPS experiments and first-principles calculations and implications for regolith-hosted HREE <span class="search-highlight">deposits</span>
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Journal Article

New Zircon U-Pb Age and Its Restriction on the Warming Time of the Interglacial Paleoclimate during the Cryogenian in the Yangtze Block

Minglong Li, Jingchun Tian, Lin Chen, Hui Xu, Deshun Zheng, Weiqing Liu
Published: 01 November 2019
The Journal of Geology (2019) 127 (6): 691–701.
DOI: https://doi.org/10.1086/705327
... Cryogenian successions. The reported isotopic age of tuff in this area shows that the Nantuo Formation was deposited at ca. 654–635 Ma (Condon et al. 2005 ; Zhang et al. 2008 b ; Liu et al. 2015 ), which belonged to the Marinoan deposit, and the Gucheng/Tiesiao/Chang’an Formation was deposited at ca. 720...
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Journal Article

Early Devonian ultrapotassic magmatism in the North China Craton: geochemical and isotopic evidence for subcontinental lithospheric mantle metasomatism by subducted sediment-derived fluids

Xiaolu Niu, Yildirim Dilek, Fei Liu, Guangying Feng, Jingsui Yang
Published: 06 August 2019
Geological Magazine (2021) 158 (1): 158–174.
DOI: https://doi.org/10.1017/S0016756819000797
...Xiaolu Niu; Yildirim Dilek; Fei Liu; Guangying Feng; Jingsui Yang Abstract We report new U–Pb zircon age data, zircon in situ oxygen isotope, mineral chemistry, whole-rock geochemistry and Sr–Nd isotopic compositions from the Early Devonian ultrapotassic Gucheng pluton in the North China Craton...
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Single crystals of samples used for structure analysis. Allanite-(Ce) from (a) Xinfeng and (b) Gucheng, Guangdong province, China. (c) Ferriallanite-(Ce) from the Huayangchuan ore deposit in the Qinling Orogen, Central China. (d) Epidote from the Xinfeng granite, Guangdong province, China.

Single crystals of samples used for structure analysis. Allanite-(Ce) from ...

Published: 14 January 2022
Fig. 1. Single crystals of samples used for structure analysis. Allanite-(Ce) from (a) Xinfeng and (b) Gucheng, Guangdong province, China. (c) Ferriallanite-(Ce) from the Huayangchuan ore deposit in the Qinling Orogen, Central China. (d) Epidote from the Xinfeng granite, Guangdong province, China.
Journal Article

Reconstruction of the Cryogenian palaeogeography in the Yangtze Domain: constraints from detrital age patterns

YU LIU, KUNGUANG YANG, ALI POLAT, XIAO MA
Published: 20 August 2018
Geological Magazine (2019) 156 (7): 1247–1264.
DOI: https://doi.org/10.1017/S0016756818000535
... of detrital zircons from sandstones in the southeastern part of the Yangtze Domain. U–Pb ages of the youngest detrital zircon grains from the Niuguping, Gucheng and Datangpo formations yielded average ages of 712±24 Ma, 679.2±6.2 Ma and 665.1±7.4 Ma, respectively, which are close to the depositional ages...
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Journal Article

Authigenic anatase nanoparticles as a proxy for sedimentary environment and porewater pH

Hanlie Hong, Kaipeng Ji, Chen Liu, Thomas J. Algeo, Ke Yin, Lulu Zhao, Michael F. Hochella, Qian Fang, Chaowen Wang
Published: 01 December 2022
American Mineralogist (2022) 107 (12): 2176–2187.
DOI: https://doi.org/10.2138/am-2022-8330
... of the use of anatase as a proxy for sedimentary facies, samples were also collected from mudstones of the Nantuo Formation glacial deposits in the Jiulongwan and Gucheng sections. In the Jiulongwan (JLW) section the Nantuo glacial deposits have a thickness of about 200 m, while in the Gucheng (GC) section...
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Interpretive chemical geodynamics model, depicting a time-progressive development of the Middle Palaeozoic evolution of the northern continental margin of the North China Craton and its magmatism. Notice the geodynamic switch from a collisional to accretionary continental margin tectonics between 490 Ma and 470 Ma. A – Intraoceanic development of the Ulan island arc complex in the Palaeo-Asian Ocean, with fore-arc oceanic lithosphere formation and deposition of pelitic and volcaniclastic sediments in a back-arc tectonic setting. B – Inception of the shallow subduction of a Palaeo-Asian Ocean slab, following the collisional accretion of the Ulan island arc complex into the continental margin of the North China Craton. U–Pb zircon ages of 466 Ma from a granodiorite pluton in the Bainaimiao continental arc mark the earliest stages of subduction zone magmatism far inland from the trench and nearly time-equivalent Ondor–Sum accretionary complex farther north. B1 – Emplacement of metasomatic veins derived from partial melting of subducted metapelites at the shallow slab interface into the subcontinental lithospheric mantle peridotites of the North China Craton. C – Slab rollback and the associated slab steepening cause the continental arc magmatism represented by the Bainaimiao arc to migrate northwards in the upper plate. Slab-rollback-induced asthenospheric flow results in heat and melt flux into the subcontinental lithospheric mantle that in turn leads into partial melting of metasomatic veins in the subcontinental lithospheric mantle peridotites and hence production of ultra-alkaline magmas, forming the Gucheng pluton. C1 – Nb/La vs La/Yb diagram displaying the mantle source (aesthenospheric vs lithospheric) of the Gucheng pluton magmas. C2 – (Tb/Yb)PM vs (La/Sm)PM diagram, showing the garnet vs spinel stability field of the source mantle, and the relative degrees of source enrichment and degree of melting. PM = Primitive mantle. C3 – Inferred magma chamber model for the development of the Gucheng pluton magmas through melt migration, replenishment and fractional crystallization processes. AFS = alkali-feldspar syenite; CpxS = clinopyroxene-bearing syenite; KCpx = K-feldspar-bearing clinopyroxenite; MLC = mafic lower crust; TTG = tonalite–trondhjemite–granodiorite. In the plot of Nb/La vs La/Yb, the black lines separating fields of lithospheric, aesthenospheric and mixed lithospheric–aesthenospheric mantle are from Abdel-Rahman (2002); the area of Fanshan (FS) complex is from Niu et al. (2012). In the plot of (Tb/Yb)PM vs (La/Sm)PM, the boundary between melting products of garnet- and spinel-bearing peridotites is from Wang et al. (2002).

Interpretive chemical geodynamics model, depicting a time-progressive devel...

Published: 06 August 2019
tectonics between 490 Ma and 470 Ma. A – Intraoceanic development of the Ulan island arc complex in the Palaeo-Asian Ocean, with fore-arc oceanic lithosphere formation and deposition of pelitic and volcaniclastic sediments in a back-arc tectonic setting. B – Inception of the shallow subduction
Journal Article

Site splitting at M 3 in allanite-(Ce)

Can Shen, Zhengxiang Shu, Xiangping Gu, Jeffrey Dick, Yuzhou Feng, Hui Zheng, Anhuai Lu
Published: 14 January 2022
Mineralogical Magazine (2022) 86 (1): 134–140.
DOI: https://doi.org/10.1180/mgm.2021.106
...Fig. 1. Single crystals of samples used for structure analysis. Allanite-(Ce) from (a) Xinfeng and (b) Gucheng, Guangdong province, China. (c) Ferriallanite-(Ce) from the Huayangchuan ore deposit in the Qinling Orogen, Central China. (d) Epidote from the Xinfeng granite, Guangdong province, China. ...
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Journal Article

New constraints on the ages of Neoproterozoic glaciations in south China

Chuanming Zhou, Robert Tucker, Shuhai Xiao, Zhanxiong Peng, Xunlai Yuan, Zhe Chen
Journal: Geology
Published: 01 May 2004
Geology (2004) 32 (5): 437–440.
DOI: https://doi.org/10.1130/G20286.1
...Chuanming Zhou; Robert Tucker; Shuhai Xiao; Zhanxiong Peng; Xunlai Yuan; Zhe Chen Abstract The most complete Neoproterozoic successions in south China contain three diamictite intervals in the Changan, Tiesiao, and Nantuo Formations. The youngest and most widespread Nantuo glacial deposit overlies...
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Journal Article

Geochemical characteristics and resource potential analysis of Chang 7 organic-rich black shale in the Ordos Basin

JIANGMIN DU, YANDE ZHAO, QINGCHUN WANG, YANQIU YU, HUI XIAO, XIANKUI XIE, YUGUO DU, ZIMIAO SU
Published: 19 December 2018
Geological Magazine (2019) 156 (7): 1131–1140.
DOI: https://doi.org/10.1017/S0016756818000444
.... A set of black and highly abundant organic shale deposited in the Late Triassic Chang 7 period provides hydrocarbon source conditions favourable for petroleum accumulation. Recently, large-scale highly profitable reservoirs of tight oil and gas, shale oil and gas, and other non-conventional oil and gas...
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Journal Article

Sedimentary characteristics, lithofacies, and paleogeography of the Middle–Lower Cambrian in the Tarim Basin, NW China

Tianyu Ji, Wei Yang, Xueqiong Wu, Dejiang Li, Mancang Liu, Chengpeng Song, Xi Chen
Published: 12 January 2024
Canadian Journal of Earth Sciences (2024) 61 (5): 560–585.
DOI: https://doi.org/10.1139/cjes-2023-0085
... strata can be classified into the five types. From bottom to top, the Middle–Lower Cambrian have experienced several development stages, including the deposition of continental shelf sediments of the Yuertusi Formation, gently sloping non-rimmed platform margin sediments of the Xiaoerbulake Formation...
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View PDF for article title, Sedimentary characteristics, lithofacies, and paleogeography of the Middle–Lower Cambrian in the Tarim Basin, NW China
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Seismic-Reflection Imaging of a Pull-Apart Sag within Tan-Lu Strike-Slip Fault Zone: Cenozoic Structure and Evolution of the Weibei Sag, Southeastern Bohai Bay Basin, China

Yanjun Cheng, Zhiping Wu, Lihong Yu, Zhengkai Wang, Haibo Jia, Wen Su
Published: 01 May 2016
The Journal of Geology (2016) 124 (3): 377–393.
DOI: https://doi.org/10.1086/685888
... N30°E) and the Gucheng-Weihekou normal fault (strike E-W). This sag was thought to be a promising exploration area after several oil fields were found there. However, the most highly productive oil and gas wells are located on traps far from the source rocks, a situation thought to be related...
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View PDF for article title, Seismic-Reflection Imaging of a Pull-Apart Sag within Tan-Lu Strike-Slip Fault Zone: Cenozoic Structure and Evolution of the Weibei Sag, Southeastern Bohai Bay Basin, China
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Journal Article

Extensional settings favour initial REE enrichment in the parent granites of ion-adsorption REE deposits: implications from Late Permian to Triassic granites in South China

Xu Zhao, Ning-bo Li, He-cai Niu, Shu-cheng Tan, Rui-xin Fu, Yu-yuan Yang
Published: 22 October 2024
Journal of the Geological Society (2025) 182 (1): jgs2024-079.
DOI: https://doi.org/10.1144/jgs2024-079
... mineralization and the granites associated with ion-adsorption deposits generally show relatively high REE contents ( Zhang et al. 2015 ; Chu et al. 2024 ). Studies on the parent granites in Gucheng and Guanxi ion-adsorption REE deposits suggested that involvement of enriched-mantle materials...
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View PDF for article title, Extensional settings favour initial REE enrichment in the parent granites of ion-adsorption REE <span class="search-highlight">deposits</span>: implications from Late Permian to Triassic granites in South China
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Interesting Papers in Other Journals

Journal: Economic Geology
Published: 01 May 2023
Economic Geology (2023) 118 (3): 689–693.
DOI: https://doi.org/10.5382/econgeo.118.3.ip01
... Kim article 105054 Hydraulic-thermodynamic modeling of the upper Cretaceous Mafic- Pelitic Ermioni VMS deposit, Greece Stylianos F. Tombros, Stavros Triantafyllidis, Sotirios Kokkalas, Michalis Fitros, and Maria Perraki article 105039 Late mesozoic magmatism in the Gucheng district: Implications...
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Journal Article

Glacial events and continental weathering evolution of syn-, inter-, and post-glaciation during the middle–late Neoproterozoic period in the southwestern Tarim Craton, China

Haiyan Hu, Qian Liu, Guochun Zhao, Lihui Lu, Yigui Han, Dong Shao, Xuyang Cao, Jinlong Yao, Donghai Zhang, Jiahao Jing, Jingyuan Liu
Journal: GSA Bulletin
Published: 05 February 2025
GSA Bulletin (2025)
DOI: https://doi.org/10.1130/B37832.1
... Tarim Craton, China). Based on the maximum depositional age of the interglacial sediments from the Kelixi Formation, which is between 666 Ma and 662 Ma, the Bolong and Yutang glaciations are considered to correspond to the Sturtian and Marinoan glaciations. The glacial features reveal that the Bolong...
View PDF for article title, Glacial events and continental weathering evolution of syn-, inter-, and post-glaciation during the middle–late Neoproterozoic period in the southwestern Tarim Craton, China
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Journal Article

ANALOGS OF THE SINIAN COMPLEX IN THE CENTRAL AND NORTHERN TIEN SHAN

V. V. Kiselev
Published: 01 October 2001
Russ. Geol. Geophys. (2001) 42 (10): 1375–1385.
... and Yanning), 700 ±20 Ma (Delian and Baikalian), and 650 ± 10 Ma (Domnoneiskaya, Chengjiang, and pre-Vendian). At first, the whole Upper Proterozoic was included into the Sinian on the North Chinese Platform, where the cover deposits start with analogs of the Riphean. Later, when differences in its...
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