... in sulfides of the Pb-Zn deposits becomes more radiogenic to the north and east in the Transvaal subbasin ( 206 Pb/ 204 Pb = 14.53-16.93) and toward the south in the Griqualand West subbasin (13.43-14.20). The spread in the 87 Sr/ 86 Sr ratios (at 2.0 Ga) of the gangue minerals of the Pb-Zn deposits ranges...

... , M.A. , Belyanin , G. , Smith A.J.B. , Iaccheri , L. , Coetzee , L.L. and Wabo , H. , 2020 . Rifting of the Kaapvaal Craton during the early Paleoproterozoic: evidence from magmatism in the western Transvaal subbasin (South Africa) . Precambrian Research 342 , 105687...

...N. Lenhardt; W. Altermann; F. Humbert; M. de Kock Abstract The Palaeoproterozoic Hekpoort Formation of the Pretoria Group is a lava-dominated unit that has a basin-wide extent throughout the Transvaal sub-basin of South Africa. Additional correlative units may be present in the Kanye sub-basin...

... sulfate and evaluate its effect on biological sulfur cycling in the late Neoarchean and early Paleoproterozoic, we examined carbonate-bearing strata from the Transvaal Supergroup in the Transvaal and Griqualand West subbasins, South Africa ( Fig. 1 ). We focus specifically on samples from the glaciogenic...

...-pebble conglomerate. To the east, these rocks interfinger with very coarse sedimentary rocks of the upper Beatons Creek Conglomerate, alluvial fan deposits that shed from the basin-bounding growth fault. The whole package was deposited in a discrete subbasin through which rivers flowed to the northeast...

... greenschist metamorphism experienced by the equivalent Ventersdorp Supergroup, prior to contact metamorphism associated with the 2.06 Ga Bushveld Complex in the central Transvaal subbasin ( Humbert et al., 2019 ). Therefore, the Fortescue Group and Ventersdorp Supergroup appear to have different metamorphic...

... assigned to the Paleoproterozoic Transvaal Supergroup. The area intruded by the complex is characterized by abutting and contrasting successions of the upper Transvaal Supergroup (i.e., the Pretoria and Postmasburg groups), the correlation of which is critical to understanding the first significant build...

... Craton during the early Paleoproterozoic: evidence from magmatism in the western Transvaal subbasin (South Africa) . Precambrian Research , 342 , 105687 . https://doi.org/10.1016/j.precamres.2020.105687 Humbert ., F. , de Kock , M. , Altermann , W. , Elburg , M.A. , Lenhardt...

.... Several Witwatersrand-type gold occurrences exist elsewhere, such as the Huronian Basin in Canada, the Bababudan Basin in India, the Moeda Formation in Brazil, and the post-Witwatersrand Transvaal Basin in South Africa (Frimmel 2014 ). Witwatersrand-type gold deposits share certain similarities...

...: Evidence from magmatism in the western Transvaal subbasin (South Africa) , Precambrian Research , 342 , 105687 . https://doi.org/10.1016/j.precamres.2020.105687 Jaffey , A.H. , Flynn , K.F. , Glendenin , L.E. , Bentley , W.C. and Essling , A.M. , 1971 . Precision...

... passive continental margin of northwest Europe ( Figure 1 ). The FSB can be divided into a series of southwest-northeast–trending subbasins and is quasicontiguous with the Rockall Trough to the southwest and the Møre Basin to the northeast ( Hitchen and Ritchie, 1987 ). The subbasins consist of Mesozoic...

... to convergence along the western and northern margins of the Kalahari craton and overthrusting in the Gariep and Damara orogens ( Miller 1983 ). The Nama basin is subdivided into two subbasins separated by a basement high (the Osis ridge). Deposits of the northern Zaris subbasin thicken northwards from the Osis...

... volcanic rocks 2.0 Ma Cahen et al., 1984 ) Stagman, 1981 ; Cahen etal., 1984 ; Leyshon and Tennick 1988 ; Master, 1995 6 Transvaal Supergroup basin Post Magaliesberg lternating mud rocks and arkose, quartzose A sandstone, minor lavacarbonate rocks 2350 Ma Altermann and Nelson, 1998...

... to 10 -3 μmol/L) in the surface water, whereas the narrow range of δ 56 Fe values for pyrite in the Hongtoushan bedded VMS ores indicates that they were deposited in localized sulfidic subbasins in deeper water. Significant change in the Qingyuan greenstone belt water column Fe isotope composition...

... Victor RV 127.3 3 II Ecca (lower) X X New Elands NE 122.9 + 1.6 8 II Ecca (middle) X X Phoenix/Star PH 126 9 II Beaufort (lower) X X West End WE 118 4 II Transvaal Supergroup X Wimbledon WI 118 4 II Ecca (basal) X X Finsch FN 118.4 ± 2.2 1 II...

... to an ~130° change in the plate motion of North America ( Van der Voo, 1993 ). Such a dramatic change in drift of North America could be responsible for the development of the transtensional subbasin that hosts the Red Dog deposits and provided a mechanism for the ascent of hydrothermal fluids. Idnurm (2000...

... subbasin, northwest Australia (modified from Magee et al., 2013a ) and the Golden Valley Sill in South Africa (Google Earth image). (C) Inclined sheets in the Rockall Basin (modified from Magee et al., 2014 ) and Antarctica. (D) Laccoliths observed offshore southern Australia (modified from Jackson et...

... the inner dolomite reservoirs of the Lower Ordovician Yeli-Liangjiashan Formation in the Jiyang subbasin, Bohai Bay Basin ( Li et al., 2016 ; Zhang et al., 2022 ). Dolomite reservoirs in the Yeli-Liangjiashan Formation experienced multistage hydrothermal fluid activities ( Lin, 2006 ; Li et al., 2016...

... Port Member playa and tidal-flat deposits. The latter subbasin accommodated intermittent sea incursions followed by restriction and evaporation, which allowed the development of a host-replacing phreatic calcrete hardpan in the previously deposited Doughend Member near the trough, where mixing of low...

... . Humbert , F. , Agangi , A. , Massuyeau , M. , Elburg , M.A. , Belyanin , G. , Smith , A.J.B. , Iaccheri , L.M. , Coetzee , L.L. , Wabo , H. , 2020 . Rifting of the Kaapvaal Craton during the early Paleoproterozoic: Evidence from magmatism in the western Transvaal...