https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 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 Mon 13 May 2024 13:07:51 SAST ]]> Asthenospheric and lithospheric sources for Mesozoic dolerites from Liberia (Africa): trace element and isotopic evidence https://vital.seals.ac.za/vital/access/manager/Repository/vital:37887 Mon 13 May 2024 13:07:27 SAST ]]> Stratigraphy and age of Karoo basalts of Lesotho and implications for correlations within the Karoo igneous province https://vital.seals.ac.za/vital/access/manager/Repository/vital:38859 Mon 13 May 2024 12:53:25 SAST ]]> Aenigmatite stability in silica-undersaturated rocks https://vital.seals.ac.za/vital/access/manager/Repository/vital:36911 Mon 13 May 2024 12:53:25 SAST ]]> Distribution of Ca in highly fractionated peralkaline magmas https://vital.seals.ac.za/vital/access/manager/Repository/vital:36914 Mon 13 May 2024 12:47:44 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 Mon 13 May 2024 12:46:28 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 Mon 13 May 2024 12:40:37 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 Mon 13 May 2024 12:40:10 SAST ]]> Oxygen isotope geochemistry of the Mesozoic volcanics of the Etendeka Formation, Namibia https://vital.seals.ac.za/vital/access/manager/Repository/vital:38219 Mon 13 May 2024 12:36:34 SAST ]]> The petrogenesis of the Kirwan Basalts of Dronning Maud Land, Antarctica https://vital.seals.ac.za/vital/access/manager/Repository/vital:38443 Mon 13 May 2024 12:36:07 SAST ]]> The petrogenesis of the Kirwan Basalts of Dronning Maud Land, Antarctica https://vital.seals.ac.za/vital/access/manager/Repository/vital:38441 Mon 13 May 2024 12:35:36 SAST ]]> REE fractionation and Ce anomalies in weathered Karoo dolerite https://vital.seals.ac.za/vital/access/manager/Repository/vital:38469 Mon 13 May 2024 12:34:41 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 Mon 13 May 2024 12:34:00 SAST ]]> Petrology and geochemistry of peridotite xenoliths from the Letlhakane kimberlites, Botswana https://vital.seals.ac.za/vital/access/manager/Repository/vital:38876 Mon 13 May 2024 12:30:50 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 Mon 13 May 2024 12:30:27 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 Mon 13 May 2024 12:29:12 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 Mon 13 May 2024 12:28:27 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 Mon 13 May 2024 12:15:42 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 Mon 13 May 2024 12:14:05 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 Mon 13 May 2024 12:13:42 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 Mon 13 May 2024 12:12:51 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 Mon 13 May 2024 12:12:28 SAST ]]> Basalt geochemistry and tectonic discrimination within continental flood basalt provinces https://vital.seals.ac.za/vital/access/manager/Repository/vital:37886 Mon 13 May 2024 12:12:05 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 Mon 13 May 2024 12:10:59 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 Mon 13 May 2024 12:10:32 SAST ]]> Distinct kimberlite pipe classes with contrasting eruption processes https://vital.seals.ac.za/vital/access/manager/Repository/vital:38988 Mon 13 May 2024 12:10:05 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.]]> Mon 13 May 2024 12:06:03 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 Mon 13 May 2024 12:01:44 SAST ]]> Al/Cr ratios of coexisting pyroxenes and spinellids in some ultramafic rocks https://vital.seals.ac.za/vital/access/manager/Repository/vital:36987 Mon 13 May 2024 11:45:17 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 Mon 13 May 2024 11:43:29 SAST ]]>