https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 The oxygen isotope composition of Karoo and Etendeka picrites: High δ18O mantle or crustal contamination? https://vital.seals.ac.za/vital/access/manager/Repository/vital:27829 Wed 27 Sep 2023 08:48:19 SAST ]]> The geochemistry and evolution of Palaeogene phonolites, central Namibia: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38399 Wed 12 May 2021 23:49:34 SAST ]]> Tertiary phonolite volcanism in the Klinghardt Mountains of South West Africa/Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:36953 Wed 12 May 2021 23:19:45 SAST ]]> High-Mg tholeiitic rocks and their significance in the Karroo Central Province https://vital.seals.ac.za/vital/access/manager/Repository/vital:36916 Wed 12 May 2021 22:23:29 SAST ]]> The Lüderitz alkaline province, South West Africa, III: the Pomona and Drachenberg Syenite Complexes https://vital.seals.ac.za/vital/access/manager/Repository/vital:36915 Wed 12 May 2021 21:06:34 SAST ]]> Rock magnetic stratigraphy of a mafic layered sill: a key to the Karoo volcanics plumbing system https://vital.seals.ac.za/vital/access/manager/Repository/vital:38389 Wed 12 May 2021 21:01:09 SAST ]]> Volcanic rocks of the Witwatersrand triad, South Africa I: description, classification and geochemical stratigraphy https://vital.seals.ac.za/vital/access/manager/Repository/vital:37663 Wed 12 May 2021 20:26:49 SAST ]]> Report on the Mesozoic volcanic and intrusive rocks on the Namibe Basin, Southwest Angola: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38384 Wed 12 May 2021 20:14:27 SAST ]]> The role of continental lithosphere in the generation of the Karoo volcanic rocks: evidence from combined Nd-and Sr-isotope studies https://vital.seals.ac.za/vital/access/manager/Repository/vital:37080 Wed 12 May 2021 19:45:41 SAST ]]> Field Trip A1: Karoo dykes, sills and volcanics in the Eastern Cape https://vital.seals.ac.za/vital/access/manager/Repository/vital:38383 Wed 12 May 2021 19:35:30 SAST ]]> Karoo volcanic and intrusive rocks: Lesotho and Eastern Cape https://vital.seals.ac.za/vital/access/manager/Repository/vital:38388 Wed 12 May 2021 19:33:48 SAST ]]> Petrology and geochemistry of early cretaceous bimodal continental flood volcanism of the NW Etendeka, Namibia Part 2: characteristics and petrogenesis of the high-Ti latite and high-Ti and low-Ti voluminous quartz latite eruptives https://vital.seals.ac.za/vital/access/manager/Repository/vital:38987 Wed 12 May 2021 19:32:41 SAST ]]> Petrogenesis of late Archaean flood-type basic lavas from the Klipriviersberg Group, Ventersdorp Supergroup, South Africa https://vital.seals.ac.za/vital/access/manager/Repository/vital:38470 Wed 12 May 2021 19:28:43 SAST ]]> The geochemistry of potassic lavas from Vulsini, central Italy and implications for mantle enrichment processes beneath the Roman region https://vital.seals.ac.za/vital/access/manager/Repository/vital:37330 Wed 12 May 2021 19:18:10 SAST ]]> Geochemical constraints on coupled assimilation and fractional crystallization involving upper crustal compositions and continental tholeiitic magma https://vital.seals.ac.za/vital/access/manager/Repository/vital:37888 Wed 12 May 2021 19:04:21 SAST ]]> The largest volcanic eruptions on Earth https://vital.seals.ac.za/vital/access/manager/Repository/vital:36902 1000 km3 dense rock equivalent) and large-magnitude (> M8) eruptions produce really extensive (104–105 km2) basaltic lava flow fields and silicic ignimbrites that are the main building blocks of LIPs.]]> Wed 12 May 2021 19:04:07 SAST ]]> An attempt to constrain the age, duration, and eruptive history of the Karoo flood basalt: Naude's Nek section (South Africa) https://vital.seals.ac.za/vital/access/manager/Repository/vital:38401 Wed 12 May 2021 18:30:54 SAST ]]> Distribution of Ca in highly fractionated peralkaline magmas https://vital.seals.ac.za/vital/access/manager/Repository/vital:36914 Wed 12 May 2021 18:21:07 SAST ]]> Geology Field Trip Guide: Natural Sciences and Geography Educators visit https://vital.seals.ac.za/vital/access/manager/Repository/vital:38387 Wed 12 May 2021 18:20:14 SAST ]]> Evolution of a strongly differentiated suite of phonolites from the Klinghardt Mountains, Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:37885 Wed 12 May 2021 18:18:30 SAST ]]> Volcanic rocks of the Witwatersrand Triad, South Africa. II: petrogenesis of mafic and felsic rocks of the Dominion Group https://vital.seals.ac.za/vital/access/manager/Repository/vital:37889 Wed 12 May 2021 18:02:16 SAST ]]> The chemistry and petrogenesis of igneous rocks of the Karoo central area, southern Africa https://vital.seals.ac.za/vital/access/manager/Repository/vital:37042 Wed 12 May 2021 17:58:03 SAST ]]> Regional geochemistry of the Karoo igneous province https://vital.seals.ac.za/vital/access/manager/Repository/vital:37079 Wed 12 May 2021 17:41:49 SAST ]]> The Etendeka Igneous Province: magma types and their stratigraphic distribution with implications for the evolution of the Paraná-Etendeka flood basalt province https://vital.seals.ac.za/vital/access/manager/Repository/vital:38882 Wed 12 May 2021 17:32:37 SAST ]]> Basalt geochemistry and tectonic discrimination within continental flood basalt provinces https://vital.seals.ac.za/vital/access/manager/Repository/vital:37886 Wed 12 May 2021 17:07:12 SAST ]]> Cretaceous volcanic rocks of the Namibe Basin, southern Angola: report on a reconnaissance field and geochemical investigation https://vital.seals.ac.za/vital/access/manager/Repository/vital:29070 Wed 12 May 2021 16:51:26 SAST ]]> Base-metal mineralization in alkaline pyroclastics: the Regenstein Vent, South West Africa https://vital.seals.ac.za/vital/access/manager/Repository/vital:36950 Wed 12 May 2021 16:48:46 SAST ]]> Emplacement of inflated Pāhoehoe flows in the Naude’s Nek Pass, Lesotho remnant, Karoo continental flood basalt province: use of flow-lobe tumuli in understanding flood basalt emplacement https://vital.seals.ac.za/vital/access/manager/Repository/vital:27826 Wed 12 May 2021 16:05:48 SAST ]]> The Bero Volcanic Complex: extension of the Paraná-Etendeka Igneous Province into SW Angola https://vital.seals.ac.za/vital/access/manager/Repository/vital:27827 Tue 18 Jul 2023 23:02:02 SAST ]]> Petrology and geochemistry of peridotite xenoliths from the Letlhakane kimberlites, Botswana https://vital.seals.ac.za/vital/access/manager/Repository/vital:38876 Tue 18 Jul 2023 22:48:00 SAST ]]> Alkaline rocks in the Kuboos-Bremen Igneous Province, southern Namibia: the Grootpenseiland and Marinkas Kwela Complexes https://vital.seals.ac.za/vital/access/manager/Repository/vital:38471 Tue 18 Jul 2023 22:34:02 SAST ]]> The Marinkas Quellen Carbonatite Complex, southern Namibia: carbonatite magmatism with an uncontaminated depleted mantle signature in a continental setting https://vital.seals.ac.za/vital/access/manager/Repository/vital:38879 Tue 18 Jul 2023 22:34:01 SAST ]]> The petrology and significance of a stratiform mafic segregation pegmatite in a Karoo-aged dolerite sheet https://vital.seals.ac.za/vital/access/manager/Repository/vital:38858 Tue 10 Aug 2021 12:45:36 SAST ]]> Some geochemical constraints upon models for the crystallization of the upper critical zone-main zone interval, northwestern Bushveld complex https://vital.seals.ac.za/vital/access/manager/Repository/vital:37331 Tue 10 Aug 2021 12:45:35 SAST ]]> Significance of 87Sr/86Sr ratios in the Merensky cyclic unit of the Bushveld Complex https://vital.seals.ac.za/vital/access/manager/Repository/vital:36986 Tue 10 Aug 2021 12:45:35 SAST ]]> The mineralogy, petrology, and origin of the Merensky cyclic unit in the western Bushveld Complex https://vital.seals.ac.za/vital/access/manager/Repository/vital:37329 Tue 10 Aug 2021 12:45:35 SAST ]]> Cretaceous erosion in central South Africa: evidence from upper-crustal xenoliths in kimberlite diatremes https://vital.seals.ac.za/vital/access/manager/Repository/vital:38397 Tue 06 Jul 2021 09:22:41 SAST ]]> Tying up the continents https://vital.seals.ac.za/vital/access/manager/Repository/vital:38220 Thu 13 May 2021 16:44:15 SAST ]]> Oxygen isotope geochemistry of the Mesozoic volcanics of the Etendeka Formation, Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:38219 Thu 13 May 2021 13:39:03 SAST ]]> The geochemical structure of the Insizwa lobe of the Mount Ayliff complex with implications for the emplacement and evolution of the complex and its Ni-sulphide potential https://vital.seals.ac.za/vital/access/manager/Repository/vital:38984 Thu 13 May 2021 11:56:23 SAST ]]> Geochemical stratigraphy of the Mohale Dame-Katse Dam areas, Lesotho. Report on contract LHDA, Mohale Tunnel: Sampling and Testing of Cores. Lesotho Highlands Tunnel Partnership (Mohale) https://vital.seals.ac.za/vital/access/manager/Repository/vital:38385 Thu 13 May 2021 08:48:11 SAST ]]> Eruptive history of the Karoo lava flows and their impact on early Jurassic environmental change: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38408 Thu 13 May 2021 08:21:02 SAST ]]> The concentrations of the noble metals in Southern African flood-type basalts and MORB: implications for petrogenesis and magmatic sulphide exploration https://vital.seals.ac.za/vital/access/manager/Repository/vital:38985 Thu 13 May 2021 07:38:14 SAST ]]> The petrogenesis of the Kirwan Basalts of Dronning Maud Land, Antarctica https://vital.seals.ac.za/vital/access/manager/Repository/vital:38441 Thu 13 May 2021 07:36:39 SAST ]]> Geochemical variations in a long Karoo dyke, Eastern Cape https://vital.seals.ac.za/vital/access/manager/Repository/vital:38877 Thu 13 May 2021 07:30:22 SAST ]]> The Luderitz Alkaline Province, South West Africa I: descriptive petrology of the Granitberg Foyaite Complex https://vital.seals.ac.za/vital/access/manager/Repository/vital:36912 Thu 13 May 2021 07:28:37 SAST ]]> Implications of a new 40Ar/ 39Ar age for a basalt flow interbedded with the Etjo Formation, Northeast Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:38970 Thu 13 May 2021 06:56:08 SAST ]]> The Karoo igneous province: an introduction https://vital.seals.ac.za/vital/access/manager/Repository/vital:37043 Thu 13 May 2021 06:53:34 SAST ]]> Geochemistry and petrogenesis of the Etendeka volcanic rocks from SWA Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:37041 Thu 13 May 2021 05:59:43 SAST ]]> Promotion of the Etendeka Formation to Group status: a new integrated stratigraphy https://vital.seals.ac.za/vital/access/manager/Repository/vital:38442 Thu 13 May 2021 05:47:55 SAST ]]> Distinct kimberlite pipe classes with contrasting eruption processes https://vital.seals.ac.za/vital/access/manager/Repository/vital:38988 Thu 13 May 2021 05:25:52 SAST ]]> The Luderitz Alkaline Province, South West Africa II: metasomatism and assimilation in the contact aureole of the Granitberg Foyaite Complex https://vital.seals.ac.za/vital/access/manager/Repository/vital:36913 Thu 13 May 2021 05:06:53 SAST ]]> Al/Cr ratios of coexisting pyroxenes and spinellids in some ultramafic rocks https://vital.seals.ac.za/vital/access/manager/Repository/vital:36987 Thu 13 May 2021 04:47:40 SAST ]]> New chemical analyses of the Suurberg volcanic rocks and their significance in relation to Mesozoic volcanism in Southern Africa https://vital.seals.ac.za/vital/access/manager/Repository/vital:36951 Thu 13 May 2021 04:34:38 SAST ]]> Compositionally diverse magmas erupted close together in space and time within a Karoo flood basalt crater complex: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38396 40 km2 filled by 9–18 km3 of volcaniclastic debris.]]> Thu 13 May 2021 03:42:14 SAST ]]> Petrology of the alkaline core of the Messum igneous complex, Namibia: evidence for the progressively decreasing effect of crustal contamination https://vital.seals.ac.za/vital/access/manager/Repository/vital:38880 Thu 13 May 2021 02:06:50 SAST ]]> Karoo basalts, South Africa: Petrogenesis and the nature of their mantle rocks https://vital.seals.ac.za/vital/access/manager/Repository/vital:29625 Thu 13 May 2021 01:28:06 SAST ]]> The distribution of platinum group elements in the Insizwa lobe, Mount Ayliff Complex, South Africa: implications for Ni-Cu-PGE sulfide exploration in the Karoo igneous province https://vital.seals.ac.za/vital/access/manager/Repository/vital:38969 Thu 13 May 2021 01:26:37 SAST ]]> Petrology and geochemistry of Early Cretaceous bimodal continental flood volcanism of the NW Etendeka, Namibia Part 1: introduction, mafic lavas and re-evaluation of mantle source components https://vital.seals.ac.za/vital/access/manager/Repository/vital:38986 Thu 13 May 2021 01:16:02 SAST ]]> The petrogenesis of the Kirwan Basalts of Dronning Maud Land, Antarctica https://vital.seals.ac.za/vital/access/manager/Repository/vital:38443 Thu 13 May 2021 01:15:36 SAST ]]> REE fractionation and Ce anomalies in weathered Karoo dolerite https://vital.seals.ac.za/vital/access/manager/Repository/vital:38469 Thu 13 May 2021 00:14:05 SAST ]]> Strontium isotope characterization of Karoo volcanic rocks https://vital.seals.ac.za/vital/access/manager/Repository/vital:37081 Thu 13 May 2021 00:00:04 SAST ]]> Karoo and Etendeks flood basalt provinces, southern Africa and the tectonic development of their adjacent margins: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38386 Fri 09 Feb 2024 15:54:52 SAST ]]>