Eocene to Pliocene exhumation history of the Tianshui-Huicheng region determined by Apatite fission track thermochronology: Implications for evolution of the northeastern Tibetan Plateau margin

Wang, Xiuxi; Zattin, Massımılıano; Li, Jijun; Song, Chunhui; Peng, Tong; Liu, Shanpin; Liu, Bin

doi:10.1016/j.jseaes.2011.04.012

Cited by 64 publications

(43 citation statements)

References 59 publications

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“…n, total number of analyzed grains. Sample with a star was reported by Wang et al (2011) Lamashan Dike, Mayanhe sandy slate and part of Indosinian granitoids, and the Shetang volcanic rocks (Fig. 6).…”

Section: Discussionmentioning

confidence: 99%

“…The basin source areas AFT peak ages can be used to find potential sources by comparing them to present bedrock AFT ages (Brandon and Vance 1992;Wang et al 2011): the apatites in a fission-track grain age peak can only have been derived from areas where the present bedrock AFT ages are younger or equal to the age of the peak. This relation allows isolating candidate sources.…”

Section: Discussionmentioning

confidence: 99%

“…In the laboratory, bulk samples were crushed, washed and sieved, and apatite crystals were separated using heavy liquids (tetrabromoethane and diiodomethane) and standard magnetic separation techniques. Sample YD124 (depth 178 m) was analyzed in fission-track laboratory of University of Bologna, Italy, following the procedures described by Wang et al (2011). The other samples (YD108 0 and YD138, at stratigraphic depth 162 and 192 m, respectively) were analyzed in State key laboratory of Earthquake Dynamics, Institute of Steininger (1999).…”

Section: Sampling and Analytical Methodsmentioning

confidence: 99%

“…The other samples (YD108 0 and YD138, at stratigraphic depth 162 and 192 m, respectively) were analyzed in State key laboratory of Earthquake Dynamics, Institute of Steininger (1999). b Compiled from Zhang and Xue (1994), Li et al (2006), Guo et al (2002), Deng (2006), Qiu (1979), Zhai (1961), Wang et al (2011). The superscripts ( 1, 2, ÁÁÁ, 9 ) represent the locations of fossil mammals' localities that are shown in Fig.…”

Section: Sampling and Analytical Methodsmentioning

confidence: 99%

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Late Cenozoic orogenic history of Western Qinling inferred from sedimentation of Tianshui basin, northeastern margin of Tibetan Plateau

Wang

Song

et al. 2011

Int J Earth Sci (Geol Rundsch)

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The Western Qinling orogenic belt marks the northeastern margin of the Tibetan Plateau. Its late Cenozoic orogenic history is recorded in an excellent sedimentary sequence exposed in the Tianshui sub-basin of the Longzhong basin. According to the magnetostratigraphic analysis from the Yaodian and Lamashan sections, we speculate that the late Cenozoic Tianshui basin accumulated lacustrine/floodplain deposits from *14.8 to *2.6 Ma. In addition, detrital apatite fission-track thermochronologic and paleocurrent data reveal that the detritus of the Tianshui basin mostly derived from the Western Qinling and that the youngest population age represents a *14 Ma volcanic intrusion, which can be related to the lithospheric deformation and uplift of the Tibetan Plateau. Furthermore, two stages of variations in depositional facies and average accumulation rates were attributed to the pulse uplift and deformation of the Western Qinling at 9.2-7.4 and *3.6 Ma.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Sampling and Analytical Methodsmentioning

confidence: 99%

Section: Sampling and Analytical Methodsmentioning

confidence: 99%

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Late Cenozoic orogenic history of Western Qinling inferred from sedimentation of Tianshui basin, northeastern margin of Tibetan Plateau

Wang

Song

et al. 2011

Int J Earth Sci (Geol Rundsch)

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“…This collision resulted in an initial extension and the formation of the Weihe Graben along the northern margin of the Xiaoqinling area (the southern margin of the Weihe Basin), followed by the uprising of the Qinling and Taibai Mountains [27,62]. Wang et al [63] suggested that corresponding to the remote effect of the collision, the oldest sediments with an age of 49.2±10.2 Ma in the Tianshui and the Huicheng Basins came from the northern margin of the Qinghai-Tibet Plateau and the episodic denudation of the western Qinling area, with the fast uplifting of Qinling Mountains. AFT results from the Micangshan-Hannan Dome area reported by Tian et al [26] indicate that the fast denudation after 15 Ma was a response to the northeastward propagation of the Qinghai-Tibet Plateau uplift.…”

Section: Cooling History Of the Wenyu Granitic Plutonmentioning

confidence: 99%

Uprising period and elevation of the Wenyu granitic pluton in the Xiaoqinling District, Central China

Liu

Zhang

et al. 2013

Chin. Sci. Bull.

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Xiaoqinling District is an important gold-producing area in China. It ranks second to Jiaodong with regard to gold deposits. The uprising period of the Wenyu granitic pluton and the wall-rocks of the deposit, as well as the mineralizing depth and reserved place of gold ore bodies, are significant to ore exploration. Fission-track (FT) analysis of zircons and apatites of granitic rocks from the Wenyu granitic pluton shows that apatite FT (AFT) data modeling indicates a rapid cooling rate of 20°C/Ma from 138 to 120 Ma after emplacement at 138 Ma. Thermal evolution and inversion curves suggest a secondary phase of fast cooling and uprising from 45 to 35 Ma, and 35 Ma, respectively, with a cooling rate of 6.7°C/Ma and a denudation quantity of ~4.3 km. The last cooling phase took place from <4 Ma, with an average cooling rate of ~11.3°C/Ma and a denudation amount of 1.3 km. Total exhumation quantity of 5.6 km and uprising elevation of 7.3 km are similar to the estimated results of fluid inclusions from the Dongtongyu and Wenyu gold deposits. The 39 Ar/ 40 Ar dating of sericite from the fault planes of the Xunmadao-Xiaohe and Taiyao faults demonstrate two uprising activities of the ore-host metamorphic complex. The Huashan and Wenyu granitic plutons intensively occurred during 77 and 45 Ma, respectively. These data sets are valuable for understanding the uplifting process and for preserving gold ore bodies in the Xiaoqinling area, as well as for further studies on tectonic evolutions of the Taihua Complex and the Qinling-Dabie Orogen.

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Upper Cretaceous exhumation of the western Rhodope Metamorphic Province (Chalkidiki Peninsula, northern Greece)

et al. 2014

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The Vertiskos Unit of northern Greece is an elongated basement belt with a complex poly-metamorphic history. It extends from Greece (Chalkidiki peninsula), to the south, up to Serbia, in the north, and arguably represents the westernmost part of the Rhodope Metamorphic Province (northern Greece to southern Bulgaria). The Vertiskos Unit experienced a medium pressure lower amphibolite-facies metamorphic overprint during the Alpine Orogeny. The available medium-temperature geochronology implies that it remained at temperature of approximately 300°C (or slightly higher) during Lower Cretaceous. In order to constrain its post-Lower Cretaceous thermal history, until near-surface exposure, we applied apatite fission track analysis. The central ages obtained range from 68.5 ± 3.8 to 46.6 ± 3.6 Ma (uppermost Cretaceous to Middle Eocene) and mean track lengths between 13 and 13.5 μm. We applied two inverse thermal modeling approaches using either each sample independently (high degree of freedom in the thermal history, better data fit) or all samples together interpreting them as a vertical profile (simpler thermal history, worse data fit). Irrespective of the modeling approach, we conclude that the bulk thermal history of the Vertiskos Unit crosses the high-temperature limit of the apatite partial annealing zone by the uppermost Cretaceous and reaches near-surface conditions as early as lower/middle Eocene. These results contrast with the thermal history of the other domains of the Rhodope Metamorphic Province further east (namely the Southern Rhodope Core Complex and the Northern Rhodope Complex) and establish the Vertiskos basement complex as the oldest exhumed coherent basement fragment of the Rhodope Metamorphic Province and Greece.

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Eocene to Pliocene exhumation history of the Tianshui-Huicheng region determined by Apatite fission track thermochronology: Implications for evolution of the northeastern Tibetan Plateau margin

Cited by 64 publications

References 59 publications

Late Cenozoic orogenic history of Western Qinling inferred from sedimentation of Tianshui basin, northeastern margin of Tibetan Plateau

Late Cenozoic orogenic history of Western Qinling inferred from sedimentation of Tianshui basin, northeastern margin of Tibetan Plateau

Uprising period and elevation of the Wenyu granitic pluton in the Xiaoqinling District, Central China

Upper Cretaceous exhumation of the western Rhodope Metamorphic Province (Chalkidiki Peninsula, northern Greece)

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