1-20 OF 119 RESULTS FOR

Benxi Group

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Column diagram of the Anshan group in the Anshan-Benxi area.
Published: 01 January 2024
Figure 2. Column diagram of the Anshan group in the Anshan-Benxi area.
Image
Photographs of supracrustal rocks of the Anshan Group in the Anshan-Benxi area. (a) Slaty cleavage in actinolite schist; (b) Actinolite schist; (c) Sericite quartz schist; (d) Augen structure in meta-rhyolite; (e) Meta-rhyolite; (f) Meta-sandstone; (g) Chlorite schist; (h) Amphibolite. Act-Actinolite, Amp-Amphibole, Bi-Biotite, Chl-Chlorite, Grt-Garnet, Mic-Microcline, Ms-Muscovite, Or-Orthoclase, Pl-Plagioclase, Q-Quartz, Ser-Sericite.
Published: 01 January 2024
Figure 3. Photographs of supracrustal rocks of the Anshan Group in the Anshan-Benxi area. (a) Slaty cleavage in actinolite schist; (b) Actinolite schist; (c) Sericite quartz schist; (d) Augen structure in meta-rhyolite; (e) Meta-rhyolite; (f) Meta-sandstone; (g) Chlorite schist; (h) Amphibolite
Image
(A) Subdivisions of the North China craton showing the location of the Anshan-Benxi terrane and distribution of Archean-Paleoproterozoic supracrustal rocks and associated banded iron formations (BIFs; modified from Zhao et al., 2012). (B) Geologic sketch map of the Anshan-Benxi terrane indicating the location of BIFs and associated supracrustal rocks (modified from Wang et al., 2017a). Age data from Wang et al. (2016b; the youngest group of detrital zircons and the oldest group of metamorphic zircons, meta-arenite, 2535–2512 Ma).
Published: 01 May 2024
Fig. 1. (A) Subdivisions of the North China craton showing the location of the Anshan-Benxi terrane and distribution of Archean-Paleoproterozoic supracrustal rocks and associated banded iron formations (BIFs; modified from Zhao et al., 2012 ). (B) Geologic sketch map of the Anshan-Benxi terrane
Journal Article
Published: 01 January 2024
Geological Magazine (2025) 161: e26.
...Figure 2. Column diagram of the Anshan group in the Anshan-Benxi area. ...
FIGURES | View All (13)
Journal Article
Journal: AAPG Bulletin
Published: 01 December 2021
AAPG Bulletin (2021) 105 (12): 2545–2574.
.... Within the Shanxi, Taiyuan, and Benxi samples, group I includes the elements Hf, Zr, Cr, and Sc, influenced by the same terrigenous detrital input ( Figure 4B ). Group II, including Rb, Ga, Zn, Ta, Nb, U, and Th, mainly contains high field-strength elements, which are generally considered to be related...
FIGURES | View All (20)
Journal Article
Journal: Interpretation
Published: 14 October 2022
Interpretation (2022) 10 (4): T865–T880.
... sets of intervals, including the Carboniferous Benxi Formation, the Shan second and Shan first members of the Permian Shanxi Formation, and the He eighth member of the Permian Lower Shihezi Formation, are multilayer complex superposed tight sandstone reservoirs that developed under the control...
FIGURES | View All (10)
Journal Article
Journal: Economic Geology
Published: 01 June 2018
Economic Geology (2018) 113 (4): 989–993.
... Economic Geology 2018 Economic Geology Sir: We congratulate Dai et al. (2017) for their paper that provides age constraints and a model for the origin of banded iron formation (BIF)-related high-grade magnetite ores within the Anshan-Benxi area of the North China craton. Significantly...
Journal Article
Journal: Economic Geology
Published: 01 November 2017
Economic Geology (2017) 112 (7): 1629–1651.
..., 2013 ). The Anshan-Benxi area is composed of the Archean Anshan Group and the Paleoproterozoic Liaohe Group. An unconformity separates the underlying Anshan Group from the overlying Liaohe Group, and they are both unconformably overlain by undeformed Palezoic and Cenozoic sediments ( Zhai...
FIGURES | View All (15)
Journal Article
Journal: Economic Geology
Published: 01 June 2018
Economic Geology (2018) 113 (4): 994–996.
... in the Anshan-Benxi Area, North China Craton” ( Dai et al., 2017 ), Sm-Nd-Fe-O isotope, mineralogical, and structural data were presented to interpret two-stage banded iron formation (BIF) deposition and a new genetic model for high-grade magnetite ores. The comments of Peng et al. (2018) on our paper chiefly...
Journal Article
Published: 01 March 2002
Geological Magazine (2002) 139 (2): 107–130.
... vegetational differences. Some Chinese authors have recently argued that the Benxi Flora is essentially Cathaysian in aspect ( Wu, 1988 ; Liu, Wang & Zhao, 2000 ). The Cathaysian Realm was originally taken to correspond to the Gigantopteris Flora of Halle (1927) found in the Shihhotze Group...
FIGURES | View All (7)
Journal Article
Journal: AAPG Bulletin
Published: 15 November 2019
AAPG Bulletin (2019) 103 (11): 2757–2783.
...Yong Li; Xiangdong Gao; Shangzhi Meng; Peng Wu; Xinlei Niu; Peng Qiao; Derek Elsworth ABSTRACT An integrated analysis of the petrographic characteristics and types and distribution of diagenetic alteration in the upper Paleozoic Benxi–Taiyuan, Shanxi, and Xiashihezi Formations provides insights...
FIGURES | View All (17)
Journal Article
Journal: Economic Geology
Published: 01 May 2024
Economic Geology (2024) 119 (3): 725–736.
...Fig. 1. (A) Subdivisions of the North China craton showing the location of the Anshan-Benxi terrane and distribution of Archean-Paleoproterozoic supracrustal rocks and associated banded iron formations (BIFs; modified from Zhao et al., 2012 ). (B) Geologic sketch map of the Anshan-Benxi terrane...
FIGURES | View All (8)
Journal Article
Journal: Economic Geology
Published: 01 September 2019
Economic Geology (2019) 114 (6): 1159–1175.
... hosted in BIFs, with the largest being GII ( Li, H.M., et al., 2015a ). The GII is located about 40 km east of Anshan City in the Anshan-Benxi area ( Fig. 1B ). BIFs are hosted in stratiform sequences of the Anshan Group, which crops out as a NW-SE–trending (120°–160°) elongated enclave within...
FIGURES | View All (12)
Journal Article
Published: 01 June 2006
Bulletin of the Seismological Society of America (2006) 96 (3): 757–795.
... December, the Earthquake Office presented a group-discussion conclusion to the rcl (2 – 11) that predicted a possible earthquake of about M 5 in the Liaoyang- Benxi area ( Fig. 4 ) by 5 January 1975, based on continuing earthquake activity in that area, radon and tilt anomalies in the Panjin...
FIGURES | View All (10)
Journal Article
Published: 01 March 2011
Journal of the Geological Society (2011) 168 (2): 607–619.
... and order to be identified within the regional sedimentary sequence. The fossil plant assemblages represent the Benxi (formerly Penxi; see Cleal & Wang 2002 ), Taiyuan, Shanxi (formerly Shansi), and Lower and Upper Shihhotse (formerly Shihezi) Formations that span a range of depositional environments...
FIGURES | View All (5)
Journal Article
Journal: GSA Bulletin
Published: 22 May 2024
GSA Bulletin (2024) 136 (11-12): 5091–5108.
.... The TTGs can be subdivided into a high-Ca group and a low-Ca group: The 2.71–2.68 Ga high-Ca group TTG magma originated from partial melting of subducted juvenile oceanic crust, and the low-Ca group TTG magma was derived from fractionation crystallization of the high-Ca group TTG magma. The chemical...
FIGURES | View All (11)
Journal Article
Journal: GSA Bulletin
Published: 17 July 2019
GSA Bulletin (2020) 132 (3-4): 739–766.
... Formation in Figure 4A . The locations of geochronology samples are shown with stars. (1) Isotopic ages from Liu et al. (2006) and recalculated by Fu et al. (2015) . (2) Paleomagnetic analyses from Fu et al. (2015) . Other legends are as for Figures 2 and 3 . Gp—Group. The Benxi region...
FIGURES | View All (16)
Journal Article
Journal: GSA Bulletin
Published: 07 March 2025
GSA Bulletin (2025)
... on eukaryotic evolution. 2. GEOLOGICAL SETTING The Nanfen Formation is well exposed in the Benxi region of eastern Liaoning Province, NE of the North China Craton, and our study focuses on three drill cores from this region. The formation belongs to the Xihe Group, which contains the Diaoyutai, Nanfen...
Journal Article
Journal: Economic Geology
Published: 01 November 2021
Economic Geology (2021) 116 (7): 1575–1597.
... of the Anshan Group, the Anshan unit, is characterized by an upper greenschist to lower amphibolite facies metamorphic grade and is dominated by ~2530 Ma BIFs (e.g., Xi’anshan, Dong’anshan, and Qidashan), siliciclastic metasedimentary rocks, and minor metavolcanic rocks ( Zhou, 1994 ). By contrast, the Benxi...
FIGURES | View All (13)
Journal Article
Published: 01 February 2024
American Mineralogist (2024) 109 (2): 286–301.
.... , and Liu , D.Y. ( 2018 ) Formation age of BIF-bearing Anshan Group supracrustal rocks in Anshan-Benxi Area: New evidence from SHRIMP U-Pb zircon dating . Earth Science , 43 , 57 – 81 ( in Chinese with English abstract ). Wang , C.L. , Zhang , L.C. , Lan , C.Y. , and Dai , Y.P...
FIGURES | View All (15)