The chemical index of alteration (CIA) and interpretation of ACNK diagrams

TJ Algeo, H Hong, C Wang - Chemical Geology, 2024 - Elsevier
The chemical index of alteration (CIA) and ACNK ternary diagrams (ie, with apices of Al 2 O
3, CaO+ Na 2 O, and K 2 O) are among the most widely used tools for evaluation of chemical …

[HTML][HTML] Improving the chronostratigraphic framework of the Transvaal Supergroup (South Africa) through in-situ and high-precision U-Pb geochronology

MH Senger, J Davies, M Ovtcharova, N Beukes… - Precambrian …, 2023 - Elsevier
Abstract The Transvaal Supergroup, on the Kaapvaal Craton in South Africa, is widely
accepted as one of the best-preserved sedimentary archives to constrain planetary-scale …

Neoarchean large igneous provinces on the Kaapvaal Craton in southern Africa re-define the formation of the Ventersdorp Supergroup and its temporal equivalents

A Gumsley, J Stamsnijder, E Larsson… - …, 2020 - pubs.geoscienceworld.org
U-Pb geochronology on baddeleyite is a powerful technique that can be applied effectively
to chronostratigraphy. In southern Africa, the Kaapvaal Craton hosts a well-preserved …

[HTML][HTML] A proposed chronostratigraphic Archean–Proterozoic boundary: Insights from the Australian stratigraphic record

DMB Martin, I Mukherjee, AJ McCoy-West… - Precambrian …, 2024 - Elsevier
Abstract The Mount Bruce Supergroup (MBS) in Western Australia has been central to
debates surrounding Precambrian stratigraphic subdivision and is one of the few relatively …

Neoarchaean to early Palaeoproterozoic within-plate volcanism of the Kaapvaal Craton: Comparing the Ventersdorp Supergroup and the Ongeluk and Hekpoort …

F Humbert, M de Kock, N Lenhardt… - The Archaean geology of …, 2019 - Springer
Abstract The Archaean-Palaeoproterozoic Kaapvaal craton (South Africa) records several
voluminous intra-plate volcanic events. Here we present a petrologic and geochemical …

[HTML][HTML] Conditioned duality between supercontinental 'assembly'and 'breakup'LIPs

MB Klausen - Geoscience Frontiers, 2020 - Elsevier
A compilation of 178 more precise ages on 10 potential Large Igneous Provinces (LIPs)
across southern Africa, is compared to Earth's supercontinental cycles, where 5 more …

Tectonomagmatic evolution of Khairagarh Group in Sitagota syncline, Dongargarh Supergroup, Bastar Craton: Insight into Paleoproterozoic crust mantle processes

SK Khare, D Asthana, AS Venkatesh - Journal of Earth System Science, 2024 - Springer
This contribution presents for the first time a digital elevation map and 1: 50,000 scale
geological map of Sitagota syncline, Khairagarh Group, which is spread in around 1000 km2 …

[HTML][HTML] Archean high-Mg magmas: Their significance for continental growth at Archean cratonic margins

D Wyman, P Hollings, S Hinz, C Boucher - Precambrian Research, 2024 - Elsevier
The growth of Archean cratons has been linked to either stagnant or mobile lid processes in
models that ultimately depend on the accurate interpretation of high-Mg volcanism …

[HTML][HTML] An extension of the Rooiberg Group and Upper Zone of the Bushveld Complex in the northernmost Waterberg segment

M Yudovskaya, T Masunte, JA Kinnaird, T Mwenze… - Precambrian …, 2023 - Elsevier
The Waterberg segment of the northern Bushveld Complex within the Southern Marginal
Zone of the Limpopo Belt hosts an∼ 850 m thick erosional remnant of a previously …

Constraining the chronology of the Mashishing dykes from the eastern Kaapvaal craton in South Africa

H Wabo, F Humbert, MO De Kock, G Belyanin… - Dyke swarms of the …, 2018 - Springer
The present study focuses on NNE-trending dykes (sites LDA to LDJ) that occur near
Mashishing in the eastern Kaapvaal craton. The Mashishing dykes were previously …