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Rare earth element geochemistry of the Insizwa lobe of the Mount Ayliff Complex, Eastern Cape, South Africa

- Marsh, Julian S

Authors: Marsh, Julian S
Date: 2004
Language: English
Type: Article
Identifier: vital:6736 , http://hdl.handle.net/10962/d1007548
Description: New rare earth element (REE) data from all lithologies of the Insizwa lobe, Mount Ayliff Complex, are presented. On the basis of size and type of Eu anomaly, the geochemical subdivision of the complex as previously described is sustained and, additionally, the Top Gabbronorite of the Central Zone is shown to have formed from a magma that was compositionally distinct from other Central Zone magmas. The Basal Zone crystallized from magmas with large negative Eu anomalies probably acquired through crustal contamination. Previously recognized compositional heterogeneity in the contact rocks is also a feature of the REE. Overall, the Insizwa magmas had higher La/Sm ratios and, to a lesser extent, higher Gd/Yb ratios than Karoo basalts and appear to have no representatives in the basalt lava sequence of Lesotho.
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Date Issued: 2004

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Replication of maximal work output levels in able-bodied workers and candidates for disability assessments: benchmark data and guidelines

- Charteris, J, James, Jonathan P

Authors: Charteris, J , James, Jonathan P
Date: 2000
Language: English
Type: Article
Identifier: vital:6752 , http://hdl.handle.net/10962/d1009332
Description: [From the introduction]: Injured-at-work employees, when the impairments are musculo-skeletal, and the injury beyond dispute, may be faced with formal rehabilitation or informal recuperation, sometimes preceded by surgical intervention, or they may be exposed to a process of application for compensation, part of which may involve medico-legal assessments. Questions that need to be addressed somewhere in this process will determine whether the impairment is of short duration, chronic or irreparable, and will involve determination also of the severity of the impairment and the issue of the workers’ capacity to return to the former occupation versus the need to find a new employment niche commensurate with the disabled workers’ capabilities. Inevitably in this process, if it is formal, someone will need to assess the musculoskeletal strength of the injured employee and make pronouncements as to physical capacity and work-readiness. In the absence of clinical ergonomists in South Africa this task falls to a variety of professionals, some well and others poorly trained to make these determinations. Most often the assessments of work-readiness are crude, amounting to little more than unsubstantiable value judgements of supervisors or health professionals not well versed in human performance capabilities. Increasingly however, better qualified professionals are making themselves available to meet the growing demands of a more employee-centred working ethos in this country. This paper is targeted at those medical, paramedical and ergonomics professionals who already have the facilities and the expertise to make use of the technique outlined herein, to further enhance their already sound means of job-related disability assessment.
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Date Issued: 2000

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Learning Zulu: a secret history of language in South Africa

- Wylie, Dan

Authors: Wylie, Dan
Date: 2017
Language: English
Type: book review , text
Identifier: http://hdl.handle.net/10962/61255 , vital:27997 , https://www.ajol.info/index.php/tvl/article/view/160848
Description: Taking a leaf from the book under review, I’ll start by injecting an autobiographical element. Much of what Sanders examines here echoes my own experience, after Zimbabwe’s independence, of heading to a remote mission school to teach for two years. Part of my purpose was to learn better Shona, the majority language from which I had been systematically discouraged by my colonial education. It was, in a way, a gesture of reparation, or addressing a nagging “white guilt”, or at least of assuaging a sense of fruitless loss and exclusion. I was nowhere near as successful in attaining fluency as Sanders seems have been in learning Zulu; and now that I live in the Eastern Cape, my efforts to learn Xhosa have been similarly patchy and faltering. One thing is evident throughout Sanders’s dense discussions: long-term, assiduous application and pe¬riods of total immersion are vital—and as he points out, few whites in South Africa have carved out the time and energy to do so, while willy-nilly expecting the black majority to learn their language. (An endnote does aver that, according to census figures, a surprising 16,000-plus whites, and a similar number of Indians, in KwaZulu-Natal, list Zulu as their first language.)
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Date Issued: 2017

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Land acquisition for and local livelihood implications of biofuel development in Zimbabwe

- Thondhlana, Gladman

Authors: Thondhlana, Gladman
Date: 2016
Subjects: Biomass energy -- Government policy -- Zimbabwe Biomass energy -- Economic aspects -- Zimbabwe Biomass energy -- Environmental aspects -- Zimbabwe
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/49940 , vital:25944
Description: In recent years, proponents of 'green and clean fuel' have argued that the costs of overreliance on fossil fuels could be reduced through transition to biofuels such as bio-ethanol. Global biofuel discourses suggest that any transition to biofuel invariably results in significant benefits, including energy independence, job creation, development of agro-industrial centres at local level and high revenue generations for the state with minimum negative impacts on the environment. With many risks and costs associated with traditional 'dirty' fuels, it is likely that many countries, particularly African countries, will move towards the 'green and clean fuel' alternative. However, until recently research has arguably paid limited attention to the local livelihood impacts related to land acquisition for biofuel development or the policy frameworks required to maximise biofuel benefits. With regards to biofuel benefits, some recent studies suggest that the much bandied potential for greater tax revenue, lowered fuel costs and wealth distribution from biofuel production have all been perverted with relatively little payoff in wage labour opportunities in return (e.g. Richardson, 2010; Wilkinson and Herrera, 2010). Based on work done in Chisumbanje communal lands of Zimbabwe (Thondhlana, 2015), this policy brief highlights the local livelihood impacts of biofuel development and discusses policy implications of the findings. By highlighting the justifications of biofuel development at any cost by the state, the study sheds some light on the conflicts between state interests and local livelihood needs.
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Date Issued: 2016

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Editorial: tracing actors, actants and relational dynamics in environmental education research

- Lotz-Sisitka, Heila

Authors: Lotz-Sisitka, Heila
Date: 2006
Language: English
Type: text , article
Identifier: http://hdl.handle.net/10962/67400 , vital:29084 , https://www.ajol.info/index.php/sajee/article/view/122719
Description: publisher version , Introduction: This edition of the EEASA Journal provides insight into a range of relationships in the field of environmental education, and the complexities that exist around them, as reflected in the combination of papers. This Editorial picks up on the methodological ‘note’ (or is it a challenge?) provided by Godwell Nhamo in his paper in this edition of the journal. He provides a description of the possibilities that actor network theory provides for describing and explaining environmental policy processes, and recommends that environmental educators consider this methodology in their analyses. In particular, he refers environmental educators to applications of actor network theory for tracing relational dynamics between actors (i.e., environmental education practitioners) and actants which are non-human referents (e.g., the UN Decade of Education for Sustainable Development and UNESCO’s (2005) International Implementation Scheme). In response to his paper, I have chosen to ‘pick up’ on this methodological discussion in this Editorial, by considering aspects of this theoretical perspective in describing the ‘happenings’ that occur across the pages of this edition of the EEASA Journal. In doing so, I highlight (in part) the diversity of actors and actants that are influencing the field of environmental education, their subject matter and contexts, and I highlight the relational dynamics that become evident when one accepts a methodology that aims to trace such dynamics. In particular, this Editorial considers how ‘The language of actors, actants and actor/actant-networks brings to the fore the relationships and complexities that exist around them’ (Nhamo, this edition).
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Date Issued: 2006

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Palynology and palaeo-environment of Pleistocene hyaena coprolites from an open-air site at Oyster Bay, Eastern Cape coast, South Africa

- Carrion, J S, Brink, J S, Scott, Lucy E P, Binneman, J N F

Authors: Carrion, J S , Brink, J S , Scott, Lucy E P , Binneman, J N F
Date: 2000
Language: English
Type: Article
Identifier: vital:7000 , http://hdl.handle.net/10962/d1008357
Description: Hyaena coprolites in a soil horizon at Oyster Bay, Eastern Cape coast, South Africa, were found associated with abundant, early Last Glacial vertebrate faunal remains that were apparently accumulated by brown hyaenas and prehistoric humans. Artefacts of the Howieson's Poort sub-stage of the Middle Stone Age occur in the same soil. Although direct association between the different finds cannot be demonstrated, there is evidence to suggest that they are broadly contemporaneous. Pollen assemblages in the coprolites were dominated by Myrica and, to a lesser extent, Stoebe-Elytropappus type and Poaceae. Comparison with the modern pollen spectrum suggests that the past environment differed markedly from the current. The presence of Stoebe-Elytropappus, in particular, is considered to indicate a displacement of vegetation zones to lower altitudes. Both fossil pollen and fauna suggest a landscape with a complex mosaic of vegetation indicative of overall cooler, more inland conditions than today.
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Date Issued: 2000

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