 | | Journal (article/letter/editorial) | | Finsch, South Africa, while BO numbers refer to olivine in xenoliths from the Boshof Road Dumps at Kimberley...Kimberley, South Africa. formation and precipitation of olivine occurred in the presence of a fluid/melt...non-diamondiferous xenoliths from the Boshof Road Dump (Kimberley) could have been exposed to hydrous melt...magma. Owing to the large diameter of the studied Boshof xenoliths, it appears implausible that the time...of hydrogenation. More likely, the section of Kimberley-area mantle sampled was affected by silica undersaturated |  | Fitzpayne, Angus, Giuliani, Andrea, Phillips, David, Hergt, Janet, Woodhead, Jon D., Farquhar, James, Fiorentini, Marco L., Drysdale, Russell N., Wu, Nanping (2018) Kimberlite-related metasomatism recorded in MARID and PIC mantle xenoliths. Mineralogy and Petrology, 112. 71-84 doi:10.1007/s00710-018-0573-z | Journal (article/letter/editorial) | | (Mica-Amphibole-Rutile-Ilmenite-Diopside) and PIC (Phlogopite-Ilmenite-Clinopyroxene) xenoliths are thought...carbonate and Ti-rich phases (e.g., titanite, phlogopite), suggesting that they formed by the infiltration...southern African kimberlites and orangeites from the Kimberley and Barkly West areas. MARID and PIC rocks are...lithospheric mantle, which have been recovered from the Kimberley and other southern African kimberlites (Grégoire...xenolith samples studied here originate from the Kimberley kimberlites (Bultfontein, Wesselton, De Beers |  | Fitzpayne, Angus, Giuliani, Andrea, Maas, Roland, Hergt, Janet, Janney, Philip, Phillips, David (2019) Progressive metasomatism of the mantle by kimberlite melts: Sr–Nd–Hf–Pb isotope compositions of MARID and PIC minerals. Earth and Planetary Science Letters, 509. 15-26 doi:10.1016/j.epsl.2018.12.013 | Journal (article/letter/editorial) | | Sciences, Macquarie University, North Ryde 2109, New South Wales, Australia c Melbourne Isotope Geochemistry...Geological Sciences, University of Cape Town, Rondebosch 7701, South Africa b a r t i c l e i n f o Article...(Mica-Amphibole-Rutile-Ilmenite-Diopside) and PIC (Phlogopite-Ilmenite-Clinopyroxene) rocks occur as mantle-derived...in MARID and PIC rocks, reflected in abundant phlogopite, have been suggested to be caused by extreme...Cretaceous kimberlites (Kimberley) and orangeites (Newlands) from South Africa are used here to examine |  | Creighton, Steven, Stachel, Thomas, Matveev, Sergei, Höfer, Heidi, McCammon, Catherine, Luth, Robert W. (2009) Oxidation of the Kaapvaal lithospheric mantle driven by metasomatism. Contributions to Mineralogy and Petrology, 157 (4) 491-504 doi:10.1007/s00410-008-0348-3 | Journal (article/letter/editorial) | | depth-fO2 trend in the mantle beneath Kimberley, South Africa. Chondrite normalized REE patterns for...with fairly unfractionated LREE/HREE ratios in phlogopite-bearing lherzolites. The metasomatized xenoliths...stability field, have the greatest modal abundance of phlogopite and clinopyroxene. Clinopyroxene is modally less...anhydrous harzburgite into variably oxidized phlogopite-bearing lherzolite. Locally, portions of the...Mantle metasomatism MARID Kaapvaal craton Kimberley kimberlite Introduction The stabilities of native |  | Giuliani, Andrea, Soltys, Ashton, Phillips, David, Kamenetsky, Vadim S., Maas, Roland, Goemann, Karsten, Woodhead, Jon D., Drysdale, Russell N., Griffin, William L. (2017) The final stages of kimberlite petrogenesis: Petrography, mineral chemistry, melt inclusions and Sr-C-O isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa) Chemical Geology, 455. 342-356 doi:10.1016/j.chemgeo.2016.10.011 | Journal (article/letter/editorial) | | geochemistry of the Bultfontein kimberlite (Kimberley, South Africa) Andrea Giuliani, Ashton Soltys, David...geochemistry of the Bultfontein kimberlite (Kimberley, South Africa), Chemical Geology (2016), doi:10.1016/j...the SC RI PT Bultfontein kimberlite (Kimberley, South Africa) Andrea Giuliani1,2,3*, Ashton Soltys1...(BK) from the Bultfontein kimberlite (Kimberley, South MA Africa). Sample BK consists of abundant macrocrysts...(micro-) ED phenocrysts of olivine and lesser phlogopite, smaller grains of apatite, serpentinised monticellite |  | Soltys, Ashton, Giuliani, Andrea, Phillips, David, Kamenetsky, Vadim S., Maas, Roland, Woodhead, Jon, Rodemann, Thomas (2016) In-situ assimilation of mantle minerals by kimberlitic magmas — Direct evidence from a garnet wehrlite xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa) Lithos, 256. 182-196 doi:10.1016/j.lithos.2016.04.011 | Journal (article/letter/editorial) | | entrained in the Bultfontein kimberlite (Kimberley, South Africa) Ashton Soltys, Andrea Giuliani, David...entrained in the Bultfontein kimberlite (Kimberley, South Africa), LITHOS (2016), doi: 10.1016/j.lithos...in SC RI the Bultfontein kimberlite (Kimberley, South Africa). Ashton Soltys1,*, Andrea Giuliani1,2...km)] from the Bultfontein kimberlite (Kimberley, South Africa). This vein assemblage is dominated by...carbonates, Mg-freudenbergite, Na-bearing apatite and phlogopite). The Sr-isotope composition of vein carbonates |  | Giuliani, Andrea, Woodhead, Jon D., Phillips, David, Maas, Roland, Davies, Gareth R., Griffin, William L. (2018) Titanates of the lindsleyite–mathiasite (LIMA) group reveal isotope disequilibrium associated with metasomatism in the mantle beneath Kimberley (South Africa) Earth and Planetary Science Letters, 482. 253-264 doi:10.1016/j.epsl.2017.11.014 | Journal (article/letter/editorial) | | with metasomatism in the mantle beneath Kimberley (South Africa) Andrea Giuliani a,b,c,∗ , Jon D. Woodhead...xenoliths Sr isotope disequilibrium metasomatism Kimberley * a b s t r a c t Radiogenic isotope variations...close textural association with clinopyroxene and phlogopite in low-temperature (∼800–900 ◦ C), strongly metasomatised...xenoliths from the ∼84 Ma Bultfontein kimberlite (South Africa). Previous U/Pb dating of the LIMA phases was...silicate melts and previously metasomatised, phlogopite-rich lithospheric mantle. This study demonstrates |  | Fitzpayne, Angus, Giuliani, Andrea, Harris, Chris, Thomassot, Emilie, Cheng, Chen, Hergt, Janet (2019) Evidence for subduction-related signatures in the southern African lithosphere from the N-O isotopic composition of metasomatic mantle minerals. Geochimica et Cosmochimica Acta, 266. 237-257 doi:10.1016/j.gca.2019.02.037 | Journal (article/letter/editorial) | | 2109 New South Wales, Australia 3 Department of Geological Sciences, University of Cape Town, Rondebosch...Rondebosch 7700, South Africa 4 Centre de Recherches Pétrographiques et Géochimiques-CNRS, Université...rocks – from the Bultfontein kimberlite (Kimberley, South Africa), which show varying degrees of metasomatism...The δ18O values of olivine and orthopyroxene in phlogopite-free harzburgites match the mantle composition...of kimberlite melt metasomatism, such as PIC (Phlogopite-Ilmenite-Clinopyroxene) rocks. The inferred interaction |  | Fitzpayne, Angus, Giuliani, Andrea, Hergt, Janet, Phillips, David, Janney, Philip (2018) New geochemical constraints on the origins of MARID and PIC rocks: Implications for mantle metasomatism and mantle-derived potassic magmatism. Lithos, 318. 478-493 doi:10.1016/j.lithos.2018.08.036 | Journal (article/letter/editorial) | | Ryde, 2109 New South Wales, Australia Department of Geological Sciences, University of Cape Town, Rondebosch...Rondebosch 7701, South MA 3 AC CE Corresponding author. PT E * D Africa ACCEPTED MANUSCRIPT Abstract...(Mica-Amphibole-Rutile-Ilmenite-Diopside) and PIC (Phlogopite-IlmeniteClinopyroxene) rocks are unusual mantle...MARID and PIC samples from the Kimberley- D Barkly West area in South Africa. Similarities between compositions...from a distinct type of strongly metasomatised, phlogopite-dominated mantle xenolith, which they termed |  | | Journal (article/letter/editorial) | | the archetypal Bultfontein kimberlite (Kimberley, South Africa) Ashton Soltys, Andrea Giuliani, David...the archetypal Bultfontein kimberlite (Kimberley, South Africa). The address for the corresponding author...the archetypal Bultfontein kimberlite (Kimberley, South Africa) a SC RI PT Ashton Soltysa*, Andrea...BK-1) from the MA Bultfontein mine (Kimberley, South Africa). The accuracy of this whole-rock reconstruction...et al., 1983) Bultfontein kimberlite, Kimberley (South Africa). This sample was selected for melt reconstruction |  | | Journal (article/letter/editorial) | | Cretaceous kimberlite of the central Kaapvaal Craton, South Africa. Two episodes of interaction between the host...Cr-spinel. Subsequent modal metasomatism formed phlogopite + K-richterite + crichtonite-group (lindsleyite–mathiasite)...emplacement ages of Cretaceous kimberlites in the Kimberley area. The age spread is interpreted as a result...olivine formed along with Ti-rich K-richterite, phlogopite and clinopyroxene. Both tazheranite and Mn–Fe-betafite...al. / Lithos 182–183 (2013) 165–184 South Africa. In the Kimberley area numerous Cretaceous kimberlites |  | Konzett, Jürgen, Krenn, Kurt, Rubatto, Daniela, Hauzenberger, Christoph, Stalder, Roland (2014) The formation of saline mantle fluids by open-system crystallization of hydrous silicate-rich vein assemblages – Evidence from fluid inclusions and their host phases in MARID xenoliths from the central Kaapvaal Craton, South Africa. Geochimica et Cosmochimica Acta, 147. 1-25 doi:10.1016/j.gca.2014.10.015 | Journal (article/letter/editorial) | | xenoliths from the central Kaapvaal Craton, South Africa Jürgen Konzett, Kurt Krenn, Daniela Rubatto...xenoliths from the central Kaapvaal Craton, South Africa, Geochimica et Cosmochimica Acta (2014), doi:...xenoliths from the central Kaapvaal Craton, South Africa Jürgen Konzett1, Kurt Krenn2, Daniela Rubatto3...sampled by Cretaceous group-I kimberlites of the Kimberley cluster from the central Kaapvaal Craton. We use...storage capacity of the fluids compared to that of phlogopite, K-richterite and apatite; (4) determine the |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | Rezvukhin, Dmitriy I., Nikolenko, Evgeny I., Sharygin, Igor S., Rezvukhina, Olga V., Chervyakovskaya, Maria V., Korsakov, Andrey V. (2022) Cr-pyrope xenocrysts with oxide mineral inclusions from the Chompolo lamprophyres (Aldan shield): Insights into mantle processes beneath the southeastern Siberian craton. Mineralogical Magazine, 86 (1) 60-77 doi:10.1180/mgm.2021.89 | Journal (article/letter/editorial) | | orthopyroxene and olivine), hydrous silicates (talc, phlogopite and amphibole), carbonate (magnesite), sulfides...discovery of diamondiferous lamproites in West Kimberley, Western Australia (Jaques et al., 1984) and Prairie...Nikolenko et al. (2020b). Within the Chompolo district, there are six pipes (Ogonek, Gornaya, Perevalnaya...pyrope, diopside, enstatite, chromium spine), phlogopite and Mg-rich ilmenite) (Kornilova, 1997; Nikolenko...available ( 131 ± 4 Ma, Rb-Sr isochron ages of phlogopite; Zaitsev and Smelov, 2010). Nikolenko et al. |  | Aulbach, Sonja, Giuliani, Andrea, Fiorentini, Marco L., Baumgartner, Raphael J., Savard, Dany, Kamenetsky, Vadim S., Caruso, Stefano, Danyushevky, Leonid V., Powell, Will, Griffin, William L. (2021) Siderophile and chalcophile elements in spinels, sulphides and native Ni in strongly metasomatised xenoliths from the Bultfontein kimberlite (South Africa). Lithos, 380. 105880pp. doi:10.1016/j.lithos.2020.105880 | Journal (article/letter/editorial) | | metasomatised xenoliths from the Bultfontein kimberlite (South Africa) Sonja Aulbach, Andrea Giuliani, Marco L. Fiorentini...metasomatised xenoliths from the Bultfontein kimberlite (South Africa), LITHOS (2020), https://doi.org/ 10.1016/j...metasomatised xenoliths from the Bultfontein kimberlite (South Africa) Sonja Aulbach1,*, Andrea Giuliani2,3,*, Marco... and PANGEA Research Centre, University of New South Wales, Australia 6 CSIRO Mineral Resources, Kensington...median total PGE 0.72 ppm) than pentlandite in phlogopite peridotites and Mica-Amphibole-Rutile- lP Ilmenite |
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