A5047150342- Paleontology and Stratigraphy of Fossils
- Geological formations and processes
- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Geochemistry and Geologic Mapping
- Geological and Geophysical Studies
- Hydrocarbon exploration and reservoir analysis
- Geological Studies and Exploration
- Geochemistry and Elemental Analysis
- Methane Hydrates and Related Phenomena
- Paleontology and Evolutionary Biology
- Geological and Geophysical Studies Worldwide
- Archaeology and Rock Art Studies
- Arctic and Russian Policy Studies
- High-pressure geophysics and materials
- Karst Systems and Hydrogeology
- Geophysical and Geoelectrical Methods
- Soil erosion and sediment transport
- Community Development and Social Impact
- Wildlife-Road Interactions and Conservation
- Sustainability and Climate Change Governance
- Plant Diversity and Evolution
- Coastal and Marine Management
- Offshore Engineering and Technologies
- Evolution and Paleontology Studies
Nelson Mandela University
2015-2024
South African Environmental Observation Network
2016-2022
University of Cape Town
2009-2010
Géosciences Rennes
2009-2010
Université de Rennes
2009-2010
Centre National de la Recherche Scientifique
2009-2010
Abstract The demise of the Late Paleozoic Ice Age has been hypothesized as diachronous, occurring first in western South America and progressing eastward across Africa culminating Australia over an ∼60 m.y. period, suggesting tectonic forcing mechanisms that operate on time scales 106 yr or longer. We test this diachronous deglaciation hypothesis for southwestern south-central Gondwana with new single crystal U-Pb zircon chemical abrasion thermal ionizing mass spectrometry (CA-TIMS) ages...
Abstract The response of sediment routing to climatic changes across icehouse-to-greenhouse turnovers is not well documented in Earth's pre-Cenozoic sedimentary record. Southwest Gondwana hosts one the thickest and most laterally extensive records penultimate icehouse, late Paleozoic ice age. We present first high-resolution U-Pb zircon chemical abrasion–isotope dilution–thermal ionization mass spectrometry (CA-ID-TIMS) analysis age deposits Kalahari Basin southern Africa, which, coupled...
Apatite fission track (AFT) and (U-Th)/He (AHe) thermochronometry data are reported used to unravel the exhumation history of crystalline basement rocks from elevated (>1000 m above sea level) but low-relief Tanzanian Craton. Coeval episodes sedimentation documented within adjacent Paleozoic Mesozoic basins southern Tanzania Congo basin Democratic Republic indicate that most cooling in was linked erosion. Basement samples were an exploration borehole located craton up 2200 below surface....
Abstract Recent U-Pb high-precision geochronological studies have shown rapid emplacement of the intrusive doleritic component Karoo Large Igneous Province (KLIP) in Southern Africa. However, these focused on a relatively small geographic and altitudinal region KLIP. Additionally, timing initiation extrusive volcanism, preserved Drakensberg-Lesotho highlands its relationship to suite, has only been imprecisely constrained by Ar-Ar dates. Here, we present new high-resolution zircon ages...
The Global Change Programme (GCP) of the Department Science and Technology (DST) South Africa is one 'Grand Challenge' programmes that comprise a 10-year Innovation Plan (2008-2018), which aims to transform into greater knowledge-based economy through stimulating transdisciplinary research resolve, inter alia, specific energy, economy, society technology needs. Meeting these challenges epitomises necessity effective research, can be defined as specifically orientated resolve 'real-world'...
Research Article| December 01, 2017 Lateral and temporal variations of black shales across the southern Karoo Basin - Implications for shale gas exploration N. Chere; Chere AEON-ESSRI – African Earth Observatory Network-Earth Stewardship Science Institute, Nelson Mandela University, Port Elizabeth, 6031, South Africa e-mail: naledichere1@gmail.com; Bastien.aeon@gmail.com; Maarten.deWit@mandela.ac.za Search other works by this author on: GSW Google Scholar B. Linol; Linol M. de Wit; Wit H.-M....
Abstract Rural areas in the Eastern Cape Province of South Africa are severely affected by gully erosion, yet little is known about rates at which these features expanding. This study explores areal extent, physical mechanisms, rates, and drivers expansion with aim investigating how erosion fluctuate response to temporal variations over last century. Investigations involved creation an inventory geo‐database, identification area‐specific assessment static dynamic drivers, a multi‐temporal 25...
Abstract The idea of Africa Alive Corridors (AAC) evolved from Gondwana geological mapping to a comprehensive, more inclusive and dynamic approach transdisciplinary research known as Earth Stewardship Science. Twenty designated corridors explore the geo-biological cultural heritage different regions over various periods, deep time Anthropocene. Each corridor reveals specific lens through which investigate some rich scientific narratives embedded within it. concept also facilitates learning...