Ironstone as a proxy of Paleozoic ocean oxygenation

EJ Matheson, PK Pufahl, A Voinot, JB Murphy… - Earth and Planetary …, 2022 - Elsevier
Marine ironstone is a Phanerozoic biochemical sedimentary rock that contains abundant
primary iron. Although rare, ironstone is conspicuous in the Paleozoic sedimentary record …

The Merensky-Bastard interval at Hackney, eastern Bushveld Complex: results of a combined Sr–Nd-isotopic investigation

J Magson, F Roelofse, G Bybee, R Bolhar - Contributions to Mineralogy …, 2024 - Springer
Abstract The Merensky and Bastard reefs of the Bushveld Complex occur within what has
been called a transitional macro-unit along the boundary of the Critical and Main zones. The …

Neodymium isotope variations in the Flatreef on Macalacaskop, northern limb, Bushveld Complex

JJ Keet, F Roelofse, CDK Gauert, LM Iaccheri… - Mineralium …, 2024 - Springer
The origin of the recently discovered Flatreef remains debated due to the pronounced
interaction of the magmatic rocks with sedimentary floor rocks, resulting in a complex …

Assessing the extent of local crust assimilation within the Flatreef, northern limb of the Bushveld Igneous Complex, using sulfur isotopes and trace element …

E Keir-Sage, MI Leybourne, PJ Jugo, DF Grobler… - Mineralium …, 2021 - Springer
The proximity to metasedimentary footwall rocks relative to platinum group element (PGE)
mineralized intrusive rocks in the northern limb of the Bushveld Igneous Complex (BIC) has …

[PDF][PDF] Sulfide mineral chemistry and platinum-group minerals of the UG-2 chromitite in the northern limb of the Bushveld Igneous Complex, South Africa

MM Langa, PJ Jugo, MI Leybourne, DF Grobler - Can Mineral, 2021 - researchgate.net
The UG-2 chromitite layer, with its elevated platinum-group element content, is a key marker
horizon in the eastern and western limbs of the Bushveld Igneous Complex and the largest …

A comparative study of sulfur isotope variations within the Flatreef and Merensky Reef of the Bushveld Complex, South Africa

JJ Keet, F Roelofse, CDK Gauert… - The Canadian …, 2021 - pubs.geoscienceworld.org
The Flatreef, a down-dip, sub-horizontal extension of the Platreef, which underlies the
Turfspruit and Macalacaskop farms, represents the future of platinum mining in South Africa …

[PDF][PDF] Stable and radiogenic isotopes in the exploration for volcanogenic massive sulfide deposits

MI Leybourne, JM Peter, JA Kidder… - Can …, 2022 - researchgate.net
Isotope data are not routinely used in mineral exploration due to perceived cost and
complexity in interpretation; however, advances in analytical technologies and techniques …

Geological setting and concentration of scandium in the Flatreef and eastern limb chromitites of the Bushveld Complex

E Kotze, F Roelofse, D Grobler, C Gauert… - Journal of the Southern …, 2022 - scielo.org.za
Scandium is an important industrial metal for which demand is projected to increase in the
future. Although many Sc deposits are secondary, Sc is scavenged by clinopyroxene during …

A multi-isotope (S-Sr-Nd) investigation of the Flatreef, Northern Limb, Bushveld Complex: Petrogenetic implications and comparison with the Merensky Reef

JJ Keet - 2022 - scholar.ufs.ac.za
Historically, research on the Bushveld Complex (BC) in the northern limb mainly focused on
the near surface Platreef. The Platreef is well-known for being complicated and erratic due to …