...K.N. Egorov; E.F. Roman’ko; V.T. Podvysotsky; S.M. Sablukov; V.K. Garanin; D.B. D’yakonov Abstract First data on the geologic and geochemical compositions of kimberlites from nine kimberlite pipes of southwestern Angola are presented. In the north of the study area, there are the Chikolongo...

... for the Catanda complex, which hosts the only extrusive carbonatites in Angola. Apatite (U-Th-Sm)/He and phlogopite 40 Ar/ 39 Ar ages of Catanda aillikite lavas indicate eruption at ca. 500–800 ka, more than 100 m.y. after emplacement of abundant kimberlites and carbonatites in this region. The lavas share...

... of the southern Cape into southwestern Angola during strong glacial periods between the Upper Pleistocene and Holocene. In contrast to deposition initiated by short summer thunder storms, we contend that the silt successions are river-end accumulations within which each layer was deposited by runoff from...

...Ben Hayes; Jérémie Lehmann; Grant M. Bybee; Trishya M. Owen-Smith Abstract Field, microstructural and mineral compositional evidence from the Mesoproterozoic K-feldspar megacrystic Red Granite at Oncócua Platform (southwestern Angola) is consistent with crystal transfer from magma to wallrock...

... extension during the Cretaceous. E-W extension dominated from southern Angola to the Namibian–South African border, and NE-SW-directed extension occurred in an area extending from west-central Namibia to the southwestern coast of South Africa. These two extension directions overlap from west-central Namibia...

... throughout the world. There are other papers on deposits about which little has been available to the general audience recently, including the St Lucia stratiform sulphide, Cuba (Malinovsky and Sokolov) and stratiform, skarn and vein-type Cu-Au deposits of southwestern Angola (Araujo et al. ). Some...

... mound province: Oxygen control on coral mound formation : Quaternary Science Reviews , v. 185 , p. 135 – 152 , https://doi.org/10.1016/j.quascirev.2018.02.012 . Figure 1. (A) Overview map showing oceanographic circulation patterns off southwestern Africa (ABF—Angola-Benguela Front; AC...

... analysed provide minimum and maximum age constraints on the anorthosite of the Kunene Complex. * (e-mail: [email protected] ) 19 4 2012 17 10 2012 In an attempt to better understand the tectonic evolution of southwestern Angola, zircons from the principal Precambrian rock...

... significantly to the local detrital zircon record. Sediments derived from the KIC should thus show a zircon age distribution with a main peak at c. 1410–1370 Ma and minor peaks at c. 1500 and 1800 Ma. According to an aeromagnetic survey of southwestern Angola, the KIC has a roughly elliptical shape...

...). This preliminary study examines the processes which may have led to the formation of the kaolin contained within the Cunene anorthosite complex. The Mevaiela kaolin deposit (southwestern Angola) is located in the northern portion of the anorthositic gabbro massif ( Silva, 1972 ), which is in turn part...

... 2020 © 2020 The Authors 2020 Gold Open Access: This paper is published under the terms of the CC-BY license. The Namibe Basin lies in the Mesozoic orthogonal- to oblique-rifted margin segment of southwestern Angola. It is a frontier petroleum province in Angola with no offshore wells...

..., and a hydrogen index up to 750–850 mg Hc/g C org, at 80–90% amorphous organic matter. They produced large oil and gas fields in Nigeria (Bonga, Southwestern Bonga, Erha, Agbami, with total resources of 4.3 BBOE oil) and in Angola (Dalia, Gigassol, Kissanje, Rosa, and Moho Mar., a total of 3.5 BBOE oil...

...Figure 1 Map of Africa and associated regions, with present day currents indicated for southwestern Africa. Size of arrow indicates current strength. Pleistocene localities with mollusc fossils are plotted as dots, with the size of the dot indicating the number of mollusc species recovered...