Meyer, N. A. (2021). Diamonds and Their Inclusions From the Koffiefontein Mine. Doctor of Philosophy, Department of Earth and Atmospheric Sciences, University of Alberta

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	Pearson, D.G., Shirey, S.B., Harris, J.W., Carlson, R.W. (1998) Sulphide inclusions in diamonds from the Koffiefontein kimberlite, S Africa: constraints on diamond ages and mantle Re–Os systematics. Earth and Planetary Science Letters, 160 (3) 311-326 doi:10.1016/s0012-821x(98)00092-2	Journal (article/letter/editorial)
	Sulphide inclusions in diamonds from the Koffiefontein kimberlite, S Africa: constraints on diamond ages and...Department of Geological Sciences, Durham University, South Road, Durham DH1 3LE, UK Department of Terrestrial...(P-type) parageneses in diamonds from the Koffiefontein mine, South Africa have been analysed using a technique...and diamond population of the Koffiefontein kimberlite The Koffiefontein kimberlite pipe is located approximately...I suite [23]. Of the diamond population at Koffiefontein, 0.6% contain inclusions, 42% of these inclusion-bearing
	Klein-BenDavid, Ofra, Wirth, Richard, Navon, Oded (2007) Micrometer-scale cavities in fibrous and cloudy diamonds — A glance into diamond dissolution events. Earth and Planetary Science Letters, 264 (1) 89-103 doi:10.1016/j.epsl.2007.09.004	Journal (article/letter/editorial)
	Phase relations and second critical endpoint in a K-free eclogite at 700 to 1400 °C. Earth Planet. Sci. Lett...rate is the same in the kimberlitic melts with a free fluid phase and in a pure H2O or CO2 fluid, suggesting...fibrous dia- monds typically has a low aggregation state (a-centers) suggesting short mantle residence time...from the Koffiefontein mine South-Africa; diamonds UB 5– 41 and UB 3105 are from Yubileinaya mine, Russia;...Congo and diamond ON-DVK-294 is from the Diavik mine Canada. The cavities in diamond ON-DVK-294 and one
	Weiss, Yaakov, Goldstein, Steven L. (2018) The involvement of diamond-forming fluids in the metasomatic ‘cocktail’ of kimberlite sources. Mineralogy and Petrology, 112. 149-167 doi:10.1007/s00710-018-0613-8	Journal (article/letter/editorial)
	diamonds from the Finsch Group II kimberlite, South Africa, and identified two diamond populations: ‘Finsch...and the neighbouring Group I kimberlites at Koffiefontein and De Beers Pool indicate that a substantial...diamonds from the Finsch Group II kimberlite, South Africa. We document two diamond populations differing...differing in their nitrogen aggregation state and HDF compositions, and discuss the type and timing of the...microinclusion-bearing diamonds from neighboring kimberlites (Koffiefontein and De Beers Pool), we explore the recent sequence
	Mathias, M., Siebert, J. C., Rickwood, P. C. (1970) Some aspects of the mineralogy and petrology of ultramafic xenoliths in kimberlite. Contributions to Mineralogy and Petrology, 26 (2) 75-123 doi:10.1007/bf00371259	Journal (article/letter/editorial)
	in the kimberlites of Lesotho, Rhodesia, Sauth Africa, and Tanzania. Six new mineral assemblages, which...of olivine and orthopyroxene in 122 peridotite/pyroxenite xenoliths have been measured. Both sets of data...Johannesburg, South Ah'ica. ** Present address: School of Applied Geology, University of New South Wales, Kensington... . . . . Garnet from Rocks of the Peridotite-Pyroxenite Association . . . . . . . . . . Garnet from Rocks...specimens are nearly all from kimberlites in South Africa, Lesotho and Rhodesia. We do not claim t h a
	Rickwood, P. C., Mathias, M., Siebert, J. C. (1968) A study of garnets from eclogite and peridotite xenoliths found in kimberlite. Contributions to Mineralogy and Petrology, 19 (4) 271-301 doi:10.1007/bf00389411	Journal (article/letter/editorial)
	Geochemistry, University of Cape Town, Rondebosch, South Africa Received May 13, 1968 Abstract. The chemical...garnets from 58 eclogite, 72 peridotite and 4 pyroxenite xenoliths in kimberlites have been estimated...orthopyroxene. All b u t two of the peridotite-pyroxenite group contain orthopyroxene. The garnets from...vast number of kimberlite occurrences in Southern Africa many are insufficiently explored in depth or too...Victor mine. ~ Koffiefontein mine. 5 Jagersfontein mine. 6 ~onastery mine. Z Crown or Lace mine. 8 Goedgevonden
	Stachel, T (2003) Peridotitic diamonds from the Slave and the Kaapvaal cratons—similarities and differences based on a preliminary data set. Lithos, 71 (2) 489-503 doi:10.1016/s0024-4937(03)00127-0	Journal (article/letter/editorial)
	productions from Panda (Ekati Mine) and Snap Lake with those from southern Africa shows significant differences:...only just commenced with the opening of the Ekati Mine (Fig. 1) in 1998. As a consequence, only few systematic...Sable and Jay diatremes, which are part of the Ekati Mine, located about 25 km north of Lac de Gras (see Carlson...new analyses from the Panda diatreme of the Ekati mine. For the Southern Slave (Fig. 1), Pokhilenko et...Bultfontein, De Beers Pool, Finsch, Jagersfontein, Koffiefontein, Letlakane, Letseng-la-Terai, Monastery, Premier
	Glebovitsky, V.A., Nikitina, L.P., Khiltova, V.Ya., Ovchinnikov, N.O. (2004) The thermal regimes of the upper mantle beneath Precambrian and Phanerozoic structures up to the thermobarometry data of mantle xenoliths. Lithos, 74 (1) 1-20 doi:10.1016/j.lithos.2003.03.001	Journal (article/letter/editorial)
	2003; accepted 27 March 2003 Abstract The thermal state of the upper mantle beneath tectonic structures...(East Siberia, Northeastern Europe, India, Central Africa, North America, and Canada) and alkali basalts...southeastern China, southeastern Australia, Central Africa, South America, and the Solomon and Hawaiian islands)...Thermal gradients; Thermal state 1. Introduction The study of the thermal state of the continental mantle...structures are different and whether the thermal state of the mantle correlates with the type and age of
	*Dawson, J. Barry (1980) Kimberlites and Their Xenoliths* - Minerals and Rocks No. 15. Springer Berlin Heidelberg. doi:10.1007/978-3-642-67742-7**	Book
	relevant protective laws and regulations and therefore free for general use. 2132/3130-543210 To my wife,...collaboration. Much of my fieldwork in southern Africa has been carried out with the cooperation and assistance...7.3 2.8 2.9 Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . West Africa . . . . . . .... . . . . Central Africa. . . . . . . . . . . . . . . . . . . . . . . East Africa. . . . . . . . . .... . . . . . . . . . . . . . . . Southern Africa . . . . . . . . . . . . . . . . . . . . . U.S.S.R. .
	Aulbach, S., Jacob, D.E., Cartigny, P., Stern, R.A., Simonetti, S.S., Wörner, G., Viljoen, K.S. (2017) Eclogite xenoliths from Orapa: Ocean crust recycling, mantle metasomatism and carbon cycling at the western Zimbabwe craton margin. Geochimica et Cosmochimica Acta, 213. 574-592 doi:10.1016/j.gca.2017.06.038	Journal (article/letter/editorial)
	Sciences, Macquarie University, North Ryde, New South Wales 2109, Australia 3 Abteilung Geochemie, Geowissenschaftliches...Box 524, Auckland Park, 2006, Johannesburg, South Africa 2 Corresponding author. E-mail address: s...clinopyroxene and 18O in garnet in eclogite and pyroxenite* xenoliths from Orapa, at the western margin of...than graphite-bearing samples (0.7064) and carbon-free samples (0.7051), suggesting that interaction with...may hold clues to the thermal, redox and chemical state of the ambient convecting mantle, from which their
	Zedgenizov, D.A., Rege, S., Griffin, W.L., Kagi, H., Shatsky, V.S. (2007) Composition of trapped fluids in cuboid fibrous diamonds from the Udachnaya kimberlite: LAM-ICPMS analysis. Chemical Geology, 240 (1) 151-162 doi:10.1016/j.chemgeo.2007.02.003	Journal (article/letter/editorial)
	2006). “Cloudy” diamonds from the Koffiefontein mine (South Africa) carry mineral phases, identified...al., 2004). In fibrous diamonds from the Jwaneng mine (Botswana) and Brazil the bulk composition of fluids...have been reported in “cloudy” diamonds from Koffiefontein and Canada (Izraeli et al., 2001; Klein-BenDavid...has been described in one diamond from the Diavik mine (Canada), suggesting mixing between an already ...of diamonds proceeded either via precipitation of free carbon dissolved in a carbonatitic melt or through
	Helmstaedt, H. H., Gurney, J. J., Richardson, S. H. (2010) AGES OF CRATONIC DIAMOND AND LITHOSPHERE EVOLUTION: CONSTRAINTS ON PRECAMBRIAN TECTONICS AND DIAMOND EXPLORATION. The Canadian Mineralogist, 48 (6) 1385-1408 doi:10.3749/canmin.48.5.1385	Journal (article/letter/editorial)
	of Cape Town, Rondebosch, 7700, Republic of South Africa Abstract Ages of syngenetic inclusions of peridotitic...Premier, representing oldest Group-I kimberlite mine (filled diamond), increasing thickness of solid...decreasing age. GII: Group-II kimberlite (in southern Africa only). Lamproite: Bo: Bobi, Ar: Argyle, El: Ellendale...moderate- to low-Cr garnet from websterite to two pyroxenite-related categories (Table 1); one (G-5) is similar...distinguished it from other gem-quality, nitrogen-free type-II diamond with inclusions of eclogitic and
	Smit, K. V., Stachel, T., Stern, R. A. (2014) Diamonds in the Attawapiskat area of the Superior craton (Canada): evidence for a major diamond-forming event younger than 1.1 Ga. Contributions to Mineralogy and Petrology, 167 (1) doi:10.1007/s00410-013-0962-6	Journal (article/letter/editorial)
	Attawapiskat, including Victor—the first diamond mine on the Superior craton— were emplaced during the...event that impacted the Superior craton from the south at 1.1 Ga. It is one the world’s major continental...lithospheric mantle is evident in the elevated local* geotherm determined from clinopyroxene xenocrysts...techniques Nitrogen concentration and aggregation state by FTIR One hundred microdiamonds each from the...decomposition to quantify nitrogen content and aggregation state was done on a spreadsheet provided by David Fisher
	*Stachel, T., Luth, R.W. (2015) Diamond formation — Where, when and how?. Lithos, 220. 200-220 doi:10.1016/j.lithos.2015.01.028*	Journal (article/letter/editorial)
	relaxation or, in the case of the Kimberley area in South Africa, possibly uplift due to extension in the lithospheric...reducing as the EMOD buffer. Evaluation of the redox state of 225 garnet peridotite xenoliths from cratons...fluid are required to completely reset the redox state of depleted cratonic peridotite to that of the fluid...fluid. Consequently, the overall reduced state of diamond stable peridotites implies that the last fluids...first kimberlite hosted diamond deposits in South Africa in 1870-1871, diamond formation was initially
	*(2001) January 2001 Durham meeting abstracts. Applied Earth Science, 110 (1) 45-58 doi:10.1179/aes.2001.110.1.45*	Journal (article/letter/editorial)
	coworkers18) and the diamonds from Premier mine in South Africa, which are particularly beautiful, have...The youngest are E-type diamonds from the Orapa mine, Botswana, at 990 m.y.,14 the oldest the 3300-m...diamonds from De Beers Pool mines, Kimberley, South Africa.13 More recently, as part of a programme to...fully the evolution of the Kaapvaal craton in South Africa, Re–Os systematics on single E-type sulphide...north ), Kimberley (in the middle) and Koffiefontein (in the south), have shown two distinct ages of E-type
	Burness, S., Smart, K.A., Tappe, S., Stevens, G., Woodland, A.B., Cano, E. (2020) Sulphur-rich mantle metasomatism of Kaapvaal craton eclogites and its role in redox-controlled platinum group element mobility. Chemical Geology, 542. 119476pp. doi:10.1016/j.chemgeo.2020.119476	Journal (article/letter/editorial)
	the Witwatersrand, Private Bag 3, Wits 2050, South Africa Corresponding author: sarab@uj.ac.za; Tel:...University of Johannesburg, 2006 Auckland Park, South* Africa 3 Centre for Crustal Petrology, Department...University, Private Bag of X1, Matieland 7602, South Africa Institut für Geowissenschaften, Universität...also supported by their relatively reducing redox state. Base metal sulphides from the mid-lithospheric...are similar to Karoo flood basalts from southern Africa, suggesting a link between the identified shallow
	*Kiseeva, Ekaterina S., Fonseca, Raúl O. C., Smythe, Duane J. (2017) Chalcophile Elements and Sulfides in the Upper Mantle. Elements, 13 (2) 111-116 doi:10.2113/gselements.13.2.111*	Journal (article/letter/editorial)
	In of all diamond inclusions in the Finsch, Koffiefontein Earth’s crust, these elements are typically...found associated and Premier kimberlite pipes of South Africa (Harris and with base-metal sulfides, and sulfide...weight %). Green (peridotite); red (eclogite and pyroxenite). Data from Efimova et al. (1983), Bulanova et...≈A+— 2 (5) where A is a constant related to the free energy of the Fe–Pb exchange between sulfide and...will typically introduce Re into a virtually Re-free peridotite. Because of this, these metasomatic sulfides
	Zedgenizov, D. A., Ragozin, A. L., Shatsky, V. S., Griffin, W. L. (2018) Diamond formation during metasomatism of mantle eclogite by chloride-carbonate melt. Contributions to Mineralogy and Petrology, 173 (10) doi:10.1007/s00410-018-1513-y	Journal (article/letter/editorial)
	Mineralogy SB RAS, Novosibirsk, Russia 2 Novosibirsk State University, Novosibirsk, Russia 3 A.P. Vinogradov...Stachel and Luth 2015). Diamonds that contain pyroxenite and websterite inclusion assemblages are much...UDR-3. c UDR-4. Each picture shows the results of local carbon isotope analyses (δ13C) the Udachnaya Pipe...microinclusions in diamonds from the Koffiefontein (South Africa) (Izraeli et al. 2001) and Panda (Canada)...similar to saline HDFs in some fibrous diamonds from Africa and Canada (Izraeli et al. 2001; Tomlinson et al
	Aulbach, Sonja, Stachel, Thomas, Heaman, Larry M., Creaser, Robert A., Shirey, Steven B. (2011) Formation of cratonic subcontinental lithospheric mantle and complementary komatiite from hybrid plume sources. Contributions to Mineralogy and Petrology, 161 (6) 947-960 doi:10.1007/s00410-010-0573-4	Journal (article/letter/editorial)
	aluminous orthopyroxene, convert peridotite to pyroxenite and confer their crustal isotope signatures....Silica enrichment Partial melting Peridotite Pyroxenite Eclogite Diamond Xenolith Communicated...layered with a highly depleted shallow layer (60% cpx-free harzburgite vs. 40% lherzolite) mapped to 140–145...from Diavik and in diamonds from the nearby Panda mine, respectively (Aulbach et al. 2004; Westerlund et...systematic differences in N content-aggregation state characteristics between sulphides a 543 14 From
	*Moore, A.E. (2009) Type II diamonds: Flamboyant Megacrysts?. South African Journal of Geology, 112 (1) 23-38 doi:10.2113/gssajg.112.1.23*	Journal (article/letter/editorial)
	6140, South Africa. e-mail: andy.moore@info.bw © 2009 March Geological Society of South Africa ABSTRACT...3106 Cullinan, recovered from the Premier Mine, South Africa (Williams, 1932), as well as gems like the...kindly provided by Debbie Bowen of Letseng Diamond Mine, illustrates a selection of Type IIa stones from...the Letseng Type IIa stones do not fluoresce. SOUTH AFRICAN JOURNAL OF GEOLOGY, 2009, VOLUME 112 PAGE...IIa diamonds from Letseng Mine, curtesey of Debbie Bowen of Letseng Diamond Mine. Large stone is the 603
	Meyer, Henry O. A., Boyd, F. R. - Eds. (1979) Proceedings of the Second International Kimberlite Conference Vol. 1 - Kimberlites, Diatremes, and Diamonds: Their Geology, Petrology, and Geochemistry. American Geophysical Union, Washington, D. C.	Book (volume)
	ANDWILLIAMSON MINE, TANZANIA H.-M. Tsai, O. A. Meyer, 0. Moreau, and H. Judith Milledge REGIONAL AND LOCAL VARIATIONS...KIFYBERLiTES IN THE COLORADO-WYC•ING STATE mINE DISTRICT 42 M. E. McCal!um, C. D. Mabarak, and H... K. J. Stracke, 59 OF KIMBEHLITES H.-M. IN SOUTH-EASteRN AUSTRALIA 71 J. Ferguson, an• L. P. Black...CARBONATITEERUPTIVES AT SALTPETRE 111 KOP, SU•}tERLAND, SOU'iH AFRICA J. R. •cIver and J. Ferguson M•NERALOGY AND PETROLOGY...MINERAL CHEMISTRY OF A KIMBERLITE FROM THE PR•I•IER MINE: I•iPLICATIONS FOR THE EVOLUTION OF KiFmEHLITIC
	*FREZZOTTI, M, PECCERILLO, A (2007) Diamond-bearing COHS fluids in the mantle beneath Hawaii. Earth and Planetary Science Letters, 262 (1) 273-283 doi:10.1016/j.epsl.2007.08.001*	Journal (article/letter/editorial)
	(Hawaii), and show for the first time the presence of free diamond-bearing carbonate-rich fluids/melts, originated...carbonate-rich melt; water; diamond; fluid inclusions; pyroxenite; Hawaii 1. Introduction Earth's mantle fluids...containing nanocrystalline diamonds in garnet pyroxenite samples from Oahu, Hawaii. Nano-diamonds have...greater that 60 km (Sen, 1988). Studied garnet pyroxenite xenoliths consist of eight samples from the Dale...water and S, or a CH4–H2O–H2S fluid, depending on local fO2 conditions (Green and Falloon, 1998; Presnall
	Boyd, F. R., Meyer, Henry O. A. - Eds. (1979) Proceedings of the Second International Kimberlite Conference Vol. 2 - The Mantle Sample : Inclusions in Kimberlites and Other Volcanics. American Geophysical Union, Washington, D. C.	Book (volume)
	Diamond-Graphite Ecologite From the Roberts Victor Mine, C. J. Hatton and John J. Gurney .................Granulites and Eclogites From Lesotho, Southern Africa, W. L. Griffin, D. A. Carswell, and P. H. Nixon...Garnet Harzburgite XenolithsFrom the Premier Mine, South Africa, R. V. Danchin ...........................the Bultfontein and De Beers Mines, Kimberley, South Africa, P. J. Lawless, J. J. Gurney, and J. B. Dawson...257 The Ilmenite Associationat the Frank Smith Mine, R.S.A., Jill Dill Pasteris, F. R. Boyd, and P.
	Keshav, Shantanu, Corgne, Alexandre, Gudfinnsson, Gudmundur H., Fei, Yingwei (2020) Major and trace element partitioning between majoritic garnet and carbon dioxide-rich liquid in model carbonated peridotite at 10 GPa and interpretations of the element chemistry of majoritic garnet inclusions in diamonds from the subcontinental mantle of Brazil and Guinea. Lithos, 362. 105486 doi:10.1016/j.lithos.2020.105486	Journal (article/letter/editorial)
	Presently, the na localities of Jagersfontein (South Africa; Deines et al., 1991), Sao Luiz (Juina, Brazil;...1999), Monastery (at the border of Lesotho and South Africa; Moore and ur Gurney, 1985; Moore et al.,...to test models of the petrological and thermal state of the mantle below the continental lithosphere...as those D values were either reported in CO 2 -free systems or at pressure Jo conditions not relevant...with the data of Corgne et al. (2012) for a CO2 -free silicate system at similar P-T conditions could
	Viljoen, K.S., Perritt, S.H., Chinn, I.L. (2018) An unusual suite of eclogitic, websteritic and transitional websteritic-lherzolitic diamonds from the Voorspoed kimberlite in South Africa: Mineral inclusions and infrared characteristics. Lithos, 320. 416-434 doi:10.1016/j.lithos.2018.09.034	Journal (article/letter/editorial)
	c Diamonds from the Voorspoed Kimberlite in South Africa: Mineral Inclusions and infrared Characteristics...c Diamonds from the Voorspoed Kimberlite in South Africa: Mineral Inclusions and infrared Characteristics...c Diamonds from the Voorspoed Kimberlite in South Africa : Mineral RI PT Inclusions and Infrared Characteristics...Johannesburg, P.O. Box 524, Auckland Park, 2006, MA South Africa EP T * Corresponding author ED (b) De Beers...Services, Private Bag X01, Southdale, 2135, South Africa Tel: +27-11-5594710 AC C Fax: +27-11-5594702
	Nimis, Paolo, Grütter, Herman (2010) Internally consistent geothermometers for garnet peridotites and pyroxenites. Contributions to Mineralogy and Petrology, 159 (3) 411-427 doi:10.1007/s00410-009-0455-9	Journal (article/letter/editorial)
	highly sensitive to variations in Fe oxidation state. Considering all Fe 123 Contrib Mineral Petrol...obtained for xenoliths of garnet peridotite, garnet pyroxenite and polyphase megacrysts derived from diverse...To remain broadly applicable to peridotite and pyroxenite bulk compositions, we limited garnet compositions...given the extended stability of garnet in olivine-free ultramafic rocks (Gasparik 1984). All other samples...suspicious samples with P–T estimates well off the local xenolith geotherm were rejected. The remaining 764