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  • 1
    Online Resource
    Online Resource
    Newark :John Wiley & Sons, Incorporated,
    Keywords: Electric utilities. ; Electric utilities -- Costs. ; Electric utilities -- Rates. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (543 pages)
    Edition: 2nd ed.
    ISBN: 9780470031827
    Series Statement: The Wiley Finance Series
    DDC: 333.793/23
    Language: English
    Note: Intro -- Electricity Markets -- Contents -- Preface -- Acknowledgements -- Introduction -- 1 The Basics -- 1.1 How electricity works -- 1.2 Early development of the Electricity Supply Industry (ESI) -- 1.3 The lifecycle of electric power -- 1.4 Development, structure, coordination, legislation of the ESI -- 1.5 New ownership structure -- 1.6 Selected country examples -- 1.6.1 Europe -- 1.6.2 Development in the Americas -- 1.6.3 Australasia -- 1.6.4 Asia -- 1.6.5 Africa and the Middle East -- 2 Structure, Operation and Management of the Electricity Supply Chain -- 2.1 Energy sources -- 2.1.1 Fossil fuel -- 2.1.2 Nuclear -- 2.1.3 Renewable combustible matter -- 2.1.4 'Hot' natural energy -- 2.1.5 'Cold' natural energy -- 2.1.6 Hydrogen -- 2.1.7 Stored -- 2.1.8 Consumables -- 2.1.9 Integration of energy sourcing and power generation -- 2.2 Power generation -- 2.2.1 Turbine generation -- 2.2.2 Open cycle -- 2.2.3 Conventional thermal generation -- 2.2.4 Combined cycle -- 2.2.5 Combined heat and power (CHP) -- 2.2.6 Turbines driven by water -- 2.2.7 Wind -- 2.2.8 Non turbine generation -- 2.2.9 Distributed power generation -- 2.2.10 The production of environmental and amenity impact factors -- 2.2.11 Abating the production of environmental impact factors -- 2.2.12 Constructing the emission abatement stacks -- 2.2.13 Stock management -- 2.2.14 Flexibility -- 2.2.15 Reliability and availability -- 2.2.16 Reactive power -- 2.2.17 Three phase -- 2.2.18 Efficiency -- 2.2.19 Cost -- 2.2.20 Generation mix -- 2.2.21 Requirements for ancillary services -- 2.2.22 Plant dynamics -- 2.2.23 The relative value of the different forms of plant service -- 2.2.24 Generator hedging -- 2.3 High voltage transmission, network operation, system operation -- 2.3.1 Electrical networks -- 2.3.2 Functions associated with network operation. , 2.3.3 Coordinated planning of generation and transmission build -- 2.3.4 Signals to build -- 2.3.5 Interconnection -- 2.3.6 Charging mechanisms available to the grid and system operators -- 2.4 Distribution -- 2.4.1 The roles of the distribution network operator -- 2.4.2 Entry connection cost -- 2.5 Metering -- 2.5.1 Metering and the consumer experience -- 2.5.2 The metering lifecycle -- 2.5.3 Meter types -- 2.6 Supply -- 2.6.1 Billing -- 2.6.2 Consumer segmentation -- 2.6.3 Regulatory requirements -- 2.6.4 Consumer agreements -- 2.6.5 Supplier profit and loss profile in relation to wholesale price -- 2.6.6 Retail pricing -- 2.6.7 Hedging -- 2.6.8 Supplier risk and supplier charges -- 2.6.9 Swing in industrial and commercial contracts -- 2.6.10 Demand side management -- 3 Policy - Issues, Priorities, Stakeholders, Influencers -- 3.1 Agendas and policy formation -- 3.2 Policy issues and drivers -- 3.3 Policy outcomes and instruments -- 3.4 Energy policies -- 3.4.1 Policy trends -- 3.4.2 Formation of policy -- 3.5 Framework -- 3.6 Domestic institutional players -- 3.7 The role and influence of international players -- 4 Liberalisation, Deregulation and Regulation -- 4.1 The liberalisation paradigm -- 4.2 Steps -- 4.2.1 Unbundling (and de-integration) -- 4.2.2 Corporatisation -- 4.2.3 Ring fence some activities under state control -- 4.2.4 Forced divestment and fragmentation of the incumbents -- 4.2.5 Privatisation -- 4.2.6 Deregulation -- 4.2.7 Reregulation -- 4.2.8 Further fragmentation -- 4.2.9 Cross industry horizontal integration -- 4.2.10 Re-consolidation -- 4.2.11 Entry of financial institutions -- 4.2.12 Pressure on retail deregulation -- 4.2.13 Further deregulation of networks and metering -- 4.2.14 Revise model -- 4.3 Conditions for reform -- 4.4 The role of the state -- 4.4.1 The national macroeconomy. , 4.4.2 Mechanisms of government influence -- 4.5 Measures of liberalisation and deregulation -- 4.6 Regulation -- 4.6.1 Quid pro quo model for regulatory change -- 4.6.2 Prescriptive model for regulation -- 4.6.3 Regulatory engagement -- 4.6.4 Economic regulation -- 4.7 Regulators -- 4.7.1 Regulatory indicators -- 4.7.2 Market monitoring by the regulator -- 4.7.3 Price regulation -- 4.7.4 Rate of return regulation -- 4.8 Industry key performance indicators -- 5 Market Structures for Electricity -- 5.1 The basics of plant dispatch -- 5.1.1 Acquiring the information on demand -- 5.1.2 Management of variation in demand in the centrally managed system -- 5.1.3 Acquiring the basic information on generation capability -- 5.1.4 Construction of the first trial schedule -- 5.1.5 Schedule feasibility and adjustment -- 5.1.6 Ancillary services -- 5.1.7 Profiles within commitment periods -- 5.1.8 Generator failure -- 5.2 The centrally managed model -- 5.2.1 Information and behaviour in centrally managed systems -- 5.2.2 Introduction of Independent Power Producers (IPP's) -- 5.2.3 Consumers in the centrally managed system -- 5.3 The single buyer -- 5.4 The pool model -- 5.4.1 The trial schedule in the pool -- 5.4.2 Subsequent trial schedules and final initial schedule -- 5.4.3 Demand -- 5.4.4 Power capacity -- 5.4.5 Penalty for failure -- 5.4.6 Pool index -- 5.4.7 Contracts for difference -- 5.4.8 Supplier price -- 5.4.9 Fixed cost recovery in the pool -- 5.4.10 Price caps in static schedule -- 5.4.11 Market power in the pool -- 5.4.12 Information and communication in the pool -- 5.4.13 Renewable and other generation with special treatment -- 5.4.14 Offering and contracting strategy for generation plant in the pool -- 5.4.15 Interpool relationships -- 5.5 The bilateral model -- 5.5.1 Contracting in the bilateral system. , 5.5.2 Physical notification in the bilateral system -- 5.5.3 The market operator in the bilateral market -- 5.5.4 Operational strategy for contracted plant in the bilateral market -- 5.5.5 Hybrid pool/bilateral markets -- 5.6 Imbalance and balancing -- 5.6.1 Market structure for balancing and imbalance -- 5.6.2 Imbalance charging -- 5.6.3 Provision of balancing -- 5.6.4 Transmission effects in balancing -- 5.6.5 Profile effects within the balancing period -- 5.6.6 Transaction strategy -- 5.6.7 Transaction cost minimisation -- 5.6.8 Imbalance revenue distribution -- 5.6.9 Auction choices -- 5.6.10 Issues with balancing mechanisms -- 5.7 Reserve contracts -- 5.8 Wholesale markets -- 5.9 Power exchanges -- 5.9.1 The journey to power exchanges -- 5.9.2 Specifics of power exchanges -- 5.10 Advanced pool markets -- 6 Power Capacity -- 6.1 The definition of capacity -- 6.2 Requirements for Capacity -- 6.2.1 Generator failure -- 6.2.2 Demand variation -- 6.2.3 Network failure -- 6.3 The basic economics of provision of capacity and reserve by generators -- 6.3.1 Representation of generation capacity on the power stack -- 6.3.2 Provision of capacity by a unit -- 6.4 Modelling the capability of generation capacity -- 6.4.1 Capacity effect of take or pay fuel supply contracts -- 6.4.2 Capacity effect of annual emission limits -- 6.4.3 Capacity effect of port and other infrastructure contracts -- 6.4.4 Capacity effect of coal stocking -- 6.4.5 Capacity effect of plant life usage optimisation -- 6.4.6 The role of outage management in capacity -- 6.4.7 Generation above normal maximum capacity -- 6.4.8 Long term capacity -- 6.4.9 Hydro -- 6.4.10 Pumped storage -- 6.5 Modelling capacity capability from the consumer side -- 6.5.1 Modelling value of lost load as a capacity capability -- 6.6 Commercial mechanisms - the generator perspective. , 6.6.1 Day ahead capacity payments in pool markets -- 6.6.2 Fixed cost subsidy, marginal cost energy provision -- 6.6.3 Traded options and capacity contracts -- 6.6.4 Self insurance for generator shortfall -- 6.6.5 Mutual insurance -- 6.6.6 Value from rare but highly priced energy contracts -- 6.6.7 Reserve contracts -- 6.7 Capacity provision - the supplier's perspective -- 6.7.1 Requirements to secure capacity by load serving entities -- 6.8 Capacity provision - the network operator's perspective -- 6.9 The system operator's perspective -- 6.9.1 Cost to consumers -- 6.9.2 Placing capacity obligation with the system operator -- 6.9.3 Placing the capacity obligation with the regulator or ministry -- 6.10 Capacity facilitation - contractual instruments -- 6.10.1 Generator cover -- 6.10.2 Insurance and reinsurance -- 6.10.3 Traded options -- 6.11 Use of options to convey probability information -- 6.12 Effect of price caps on capacity and prices -- 7 Location -- 7.1 Infrastructure costs to be recovered -- 7.1.1 Build and maintain -- 7.1.2 Losses -- 7.1.3 Reactive power -- 7.1.4 Redundancy and security -- 7.1.5 Cost of constraint -- 7.1.6 Commercial losses -- 7.1.7 Wheeling and interconnection -- 7.2 Counterparties for payment and receipt -- 7.3 Basic charging elements for location related charging -- 7.3.1 Connection charges -- 7.3.2 Use of system charges -- 7.3.3 Calculation of capacity cost in relation to system capacity need -- 7.3.4 Losses -- 7.3.5 Locational element of balancing -- 7.3.6 Locational element of reserve and security -- 7.3.7 Regional structure for cross subsidy -- 7.3.8 Constraints -- 7.3.9 Reactive power -- 7.4 Models for designation of electrical location -- 7.4.1 Postage stamp -- 7.4.2 Zonal -- 7.4.3 Postage stamp with market splitting -- 7.4.4 Nodal -- 7.4.5 Implicit locational differentials -- 7.4.6 Control area. , 7.4.7 Position in voltage hierarchy.
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  • 2
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Neural networks (Computer science). ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (333 pages)
    Edition: 1st ed.
    ISBN: 9783642182426
    Series Statement: Advanced Information Processing Series
    Language: English
    Note: Advanced Information Processing -- Adaptive Modelling, Estimation and Fusion from Data -- Copyright -- Foreword -- Preface -- Contents -- 1. An introduction to modelling and learning algorithms -- 2. Basic concepts of data-based modelling -- 3. Learning laws for linear-in-the-pararneters networks -- 4. Fuzzy and neurofuzzy modelling -- 5. Parsimonious neurofuzzy modelling -- 6. Local neurofuzzy modelling -- 7. Delaunay input space partitioning modelling -- 8. Neurofuzzy linearisation modelling for nonlinear state estimation -- 9. Multisensor data fusion using Kalman filters based on neurofuzzy linearisation -- 10. Support vector neurofuzzy models -- References -- Index.
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  • 3
    Online Resource
    Online Resource
    New York :Palgrave Macmillan,
    Keywords: Management science. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (268 pages)
    Edition: 1st ed.
    ISBN: 9781137371003
    DDC: 333.793/2015195
    Language: English
    Note: Cover -- Half-Title -- Title -- Copyright -- Contents -- List of Figures -- List of Tables -- Acknowledgments -- 1 Introduction -- 2 The Political Economic Framework -- 2.1 Core Axes for the Political Economy of Electricity -- 2.2 The Utilitarian, Contractarian, and Libertarian Approaches -- 2.3 Relevance of the Left/Right Political Axis -- 2.4 The Raising of Taxation and Disbursement and Distribution of Benefits -- 2.5 Individual Choice -- 2.6 Approaches to Income Poverty, Other Poverties, and Inequality -- 3 Economic and Market Framework -- 3.1 The Economy -- 3.2 Externalities -- 3.3 Public Goods -- 3.4 Markets -- 3.5 Market Dynamics -- 3.6 Risk and Uncertainty -- 4 Core Welfare Modeling Factors -- 4.1 Utility -- 4.2 Valuing Life and Well-Being -- 4.3 Demand -- 4.4 Shocks -- 4.5 Substitutes, Complements, and Elasticity -- 4.6 Trade and Exchange -- 4.7 Surplus -- 4.8 Inequality -- 4.9 Welfare -- 5 Current Topics in Electricity -- 5.1 Physical Characterization of Electricity -- 5.2 Measurement of Probability in Electricity -- 5.3 The Primary Importance of Data in the Electricity System -- 5.4 Footprints of Consumed Electricity -- 5.5 Health, Morbidity, Mortality, Amenity, and Fuel Poverty -- 5.6 Methods of Redistribution of Wealth in Electricity -- 5.7 The Future of Universal Service -- 5.8 Consumer Behavior -- 5.9 Tariffs, Socialization, Cross Subsidy, Consumer Protection, and Cost Reflectivity -- 5.10 Contracts, Rules, and Rights in Energy -- 5.11 Taxes and Incentives in Infrastructure Build -- 6 Conclusion -- 6.1 The Felicific Calculus -- 6.2 Utility Functions -- 6.3 Welfare and Inequality Functions -- 6.4 Probability and Uncertainty -- 6.5 Sanctity of Contract -- 6.6 Fuel Poverty -- 6.7 Data -- 6.8 Consumer Segmentation -- 6.9 Behavior -- 6.10 Discounting the Future -- 6.11 Electricity as a Public Good -- 7 Technical Appendices -- 7.1 Shocks. , 7.2 Utility, Demand Functions, and Shocks -- 7.3 Welfare -- 7.4 Segmentation and Proxies -- Notes -- References -- Author Index -- Subject Index.
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 84 (1980), S. 891-898 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 84 (1980), S. 1366-1371 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Lavas and pyroclastics on Ascension Island contain plutonic blocks that include fluid-inclusion-bearing peralkaline-granite. 18O/16O ratios, F and Cl have been analysed on whole rocks and/or minerals for lavas and granites, and D/H ratios and H2O+ for comenditic obsidians and granites. Whole rock 18O/16O ratios of fresh alkali-basalt, hawaiite, trachyandesite, trachyte and comendite range from 6.0 to 6.9‰ with 18O tending to increase with increase in SiO2. The δ 18O values of the granites are from 0.0 to 0.3‰ depleted in 18O relative to the comendites. Comenditic obsidians have δD= −80±4‰ and H2O+ ∼0.3 wt.% while amphiboles from the granites have δD= −56±2‰ The O-isotope trend of the lavas is consistent with a crystal fractionation model. Fresh igneous rocks with δ 18O values greater than 7‰ involve processes in addition to crystal fractionation of a basaltic magma. The D/H ratios and Cl contents (∼ 3,000 ppm) of the H2O-poor comenditic obsidians represent undegassed primary magmatic values. The H-isotope compositions and low H2O and Cl (167 ppm) contents of the granites are consistent with the major degassing (loss of 〉90% of initial H2O) of an H2Osaturated magma derived from the interaction of sea (or possibly meteoric) water with the H2O-undersaturated comenditic melt. It is proposed that, associated with caldera subsidence and stoping, water was sucked in around the residual magma before the system had time to be sealed up. The H2O-undersaturated magma consumed this H2O with possibly some minor partial dehydration and dewatering of the hydrated volcanic roof blocks, at a pressure of about 1.5 kb. The granites are the plutonic equivalents of rhyolitic pyroclastics and not directly of the comendites. Granites from oceanic islands may, in general, be a result of generating an H2O-saturated acid melt by such direct or indirect crustal water-magma interaction processes.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The Etendeka Formation volcanics consist of a bimodal association of basalts and quartz latites. Forty three new whole rock oxygen isotope analyses are reported for all the major magma types. All the rocks except a minor suite of dolerites have higher δ18O values than normal mantle. The basic rocks (average of 29=8.8‰) have significantly different δ18O to the acid rocks (average of 10=14.4‰) These data are apparently consistent with previously published petrogenetic models, which propose that the basalts were affected by crustal contamination and that the quartz latites are crustally derived. However, mineral oxygen data show that there is significant oxygen isotopic disequilibrium between phenocryst and whole rock, the latter being significantly higher in most cases. One of the basic magma types (the Tafelberg basalts) shows mutual positive correlations between δ18O, SiO2 and ɛSr. If these correlations are due to crustal contamination, then as much as 45% contamination is required by material having a δ18O value of 15‰ which is the maximum observed value in the Damaran basement rocks. In the absence of pyroxene phenocryst δ18O data for the high ɛSr Tafelberg basalts (they are aphyric), it is not possible to confirm that contamination has taken place. An alternative explanation is that the correlation between ɛSr and SiO2 resulted from assimilation coupled with fractional crystallization (AFC) (before emplacement). Post-eruption alteration resulted in a correlation between SiO2 δ18O because the material with the most Si-O bonds was able to concentrate 18O more effectively. The limited mineral data for the quartz latites suggests that there is some source heterogeneity. A pyroxene δ18O value of 10% for a southern Etendeka quartz latite is consistent with a crustal source.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Contributions to mineralogy and petrology 107 (1991), S. 100-111 
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Regional dolerite dykes of Mesozoic age in western Dronning Maud Land are variable in both major and trace element composition and include picritic types (MgO〉18 wt%). The range in incompatible element concentrations is considerable (e.g. Zr 40–478 ppm) and shows little correlation with MgO content. Both high-and low-Ti, Zr (HTZ and LTZ) magma types are present and there is a spread of compositions between these types. Major element oxide variations in dykes having MgO〉10 wt% indicate that olivine and orthoyproxene fractionation occurred, presumably at an early high-pressure stage of magma evolution. Major element oxide variations in dykes having MgO〈10 wt% indicate control by olivine and clinopyroxene. A minority of the more evolved dykes are compositionally similar to the nearby Kirwan basalts, but the majority cannot be related to the Kirwan basalts by any simple petrogenetic process as they contain higher concentrations of incompatible elements and have higher Mg-numbers. The HTZ Dronning Maud Land dolerites have incompatible trace element concentrations which are very similar to the HTZ basalt magma types of the Karoo of southern Africa with the exception of lower K and Rb in DML dolerites. The HTZ dolerites occur in the part of Dronning Maud Land which appears to have been tectonically stable since the Archaean and are not found to intrude the surrounding high-grade (about 1000 Ma) metamorphic rocks of the Sverdrup Group. These data provide qualified support for models which seek to relate spatially the HTZ Mesozoic basalt types of Gondwana to sources beneath stable Archaean cratons.
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  • 9
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract We have measured the δ18O values of the major phenocrysts (olivine, clinopyroxene and plagioclase) present in lavas from Tristan da Cunha and Gough Island. These islands, which result from the same mantle plume, have enriched radiogenic isotope ratios and are, therefore, prime candidates for an oxygen isotope signature that is distinct from that of MORB. Consistent differences between the δ18O values of olivine, pyroxene and feldspar in the Gough lavas show that the phenocrysts in the mafic Gough Island lavas are in oxygen isotope equilibrium. The olivines in lavas with SiO2 〈50 wt% have a mean δ18O value of 5.19‰, consistent with crystallization from a magma having the same oxygen isotope composition as MORB. Phenocrysts in all the Gough lavas show a systematic increase in δ18O value as silica content increases, which is consistent with closed-system fractional crystallization. The lack of enrichment in δ18O of the Gough magmas suggests that the mantle source contained 〈2% recycled sediment. In contrast, the Tristan lavas with SiO2 〉48 wt% contain phenocrysts which have δ18O values that are systematically ∼0.3‰ lower than their counterparts from Gough. We suggest that the parental mafic Tristan magmas were contaminated by material from the volcanic edifice that acquired low δ18O values by interaction with water at high temperatures. The highly porphyritic SiO2-poor lavas show a negative correlation between olivine δ18O value and whole-rock silica content rather than the expected positive correlation. The minimum δ18O value occurs at an SiO2 content of about 45 wt%. Below 45 wt% SiO2, magmas evolved via a combination of assimilation, fractionational crystallization and crystal accumulation; above 45 wt% SiO2, magmas appeared to have evolved via closed-system fractional crystallization.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract  Fifty-six new oxygen isotope analyses of minerals separated from nine Mesozoic anorogenic complexes of Damaraland in northwest Namibia have been used to estimate the δ18O values of the original magmas (δmagma). These complexes range in composition from nepheline syenite to alkaline and peraluminous granites, often with a variety of rock types present at a single centre. The silica-undersaturated rock types show a relatively small spread of values of δmagma from 6.0 to 7.0‰ (mean 6.6‰), which is consistent with their derivation from the mantle with little or no subsequent crustal contamination. The silica-oversaturated rocks show a wide range of δmagma values from 4.9 to 12.0‰, with a mean value of 8.3‰. The high values of δmagma in the silica-oversaturated rocks can only be explained with considerable involvement of the continental crust in their petrogenesis, and those rocks with δmagma〉10‰ are interpreted as essentially crustal melts. It is generally accepted that the Damaraland complexes were generated as a result of rifting across the Tristan plume, with the plume providing both mantle-derived magma and with it the heat required for crustal melting. In addition to their mantle-like oxygen isotope ratios, the undersaturated rocks of the Damaraland complexes possess the trace element characteristics (e.g. low Zr/Nb ratios) of ocean island basalt, suggesting that their parental magmas were produced from the plume itself. In contrast, the oversaturated complexes generally have higher Zr/Nb ratios that are consistent with a larger crustal input. The highest values of δmagma in the Damaraland complexes are found in granitic rocks that intrude the central zone of the Pan-African Damara Orogen where presumably there is a substantial component of sedimentary origin in the lower to middle crust.
    Type of Medium: Electronic Resource
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