Hammond, A. L., & Mitchell, R. H. (2002). Accessory mineralogy of orangeite from Swartruggens, South Africa. Mineralogy and Petrology, 76(1-2), 1-19.

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	*Hammond, A. L., Mitchell, R. H. (2002) Accessory mineralogy of orangeite from Swartruggens, South Africa. Mineralogy and Petrology, 76 (1) 1-19 doi:10.1007/s007100200029*	Journal (article/letter/editorial)
	Accessory mineralogy of orangeite from Swartruggens, South Africa A. L. Hammond and R. H. Mitchell Department...occurring as a complex series of dikes at Swartruggens (South Africa), is host to a diversity of accessory...Ca±Ti±Fe-silicate, strontianite, unidenti®ed Ca-REE phosphate, zircon, rutile, titaniferous magnetite, quartz and diverse...are rare mantle-derived rocks, unique to southern Africa, representing the product of lithospheric potassic...and R. H. Mitchell accessory minerals in the Swartruggens orangeite, as an initial step in rectifying
	Field, Matthew, Stiefenhofer, Johann, Robey, Jock, Kurszlaukis, Stephan (2008) Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews, 34 (1) 33-75 doi:10.1016/j.oregeorev.2007.11.002	Journal (article/letter/editorial)
	Kimberlite-hosted diamond deposits of southern Africa: A review Matthew Field a,⁎, Johann Stiefenhofer...Southdale, 2135, South Africa c De Beers Group Services, PO Box 47, Kimberley, South Africa d De Beers Canada...discovery of diamonds in river deposits in central South Africa in the mid nineteenth century, it was at Kimberley...economic and industrial development of southern Africa. Following the discoveries at Kimberley, even more...more valuable deposits were discovered in South Africa and Botswana in particular, but also in Lesotho
	Smit, Karen V., Shirey, Steven B., Wang, Wuyi (2016) Type Ib diamond formation and preservation in the West African lithospheric mantle: Re–Os age constraints from sulphide inclusions in Zimmi diamonds. Precambrian Research, 286. 152-166 doi:10.1016/j.precamres.2016.09.022	Journal (article/letter/editorial)
	Type Ib diamond formation and preservation in the West African lithospheric mantle: Re–Os age constraints...Wang a a b Gemological Institute of America, 50 West 47th Street, New York City, NY 10036, USA Department...2016 Keywords: Type Ib Diamond Re–Os Sulphide West Africa Cratonic lithosphere Geotherm Man shield a b...inclusions in three diamonds from the Zimmi (West Africa) alluvial diamond locality were analysed for...in the Rokelide orogen along the SW margin of the West African craton. The initial 187Os/188Os of the three
	Coe, Nancy, le Roex, Anton, Gurney, John, Pearson, D. Graham, Nowell, Geoff (2008) Petrogenesis of the Swartruggens and Star Group II kimberlite dyke swarms, South Africa: constraints from whole rock geochemistry. Contributions to Mineralogy and Petrology, 156 (5) 627-652 doi:10.1007/s00410-008-0305-1	Journal (article/letter/editorial)
	Petrogenesis of the Swartruggens and Star Group II kimberlite dyke swarms, South Africa: constraints from...2008 Abstract Thirty-seven samples from the Swartruggens and Star Group II kimberlite dyke swarms, emplaced...variable chondrite normalised La/Yb ratios (Swartruggens = 94 ± 21; Star = 202 ± 36). 87Sr/86Sr (0.70718–...source, with higher LREE enrichment than the Swartruggens kimberlites. Communicated by T.L. Grove. N...Sciences, University of Cape Town, Rondebosch 7701, South Africa e-mail: anton.leroex@uct.ac.za D. G. Pearson
	*(2004) INTERESTING PAPERS IN OTHER JOURNALS. Economic Geology, 99 (8) 1805-1814 doi:10.2113/gsecongeo.99.8.1805*	Journal (article/letter/editorial)
	Formation (Early Paleogene) in the Sanshui basin, south China—Liu Chunlian, Wolfgang Oschmann, Bai Yan,...products and framboidal pyrite oxidation in acid mine drainage prediction techniques—P.A. Weber, W.A....G. Prichonnet, and S. McCutcheon Archived U-Pb (zircon) dates from southern New Brunswick— Malcolm J....deformation of the South Range Sudbury impact structure at the Thayer Lindsley mine, Ontario—J. Bailey...Fedorowich, S. Kamo, and D.A. Archibald 1491 Platinum-group elements and the multistage metasomatic
	*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
	*Gurney, J. J., Helmstaedt, H. H., Richardson, S. H., Shirey, S. B. (2010) Diamonds through Time. Economic Geology, 105 (3) 689-712 doi:10.2113/gsecongeo.105.3.689*	Journal (article/letter/editorial)
	of Cape Town, Rondebosch, 7700, Republic of South Africa of Geological Sciences and Geological Engineering...P O Box 38668, Pinelands, 7430. Republic of South Africa. 0361-0128/10/3894/689-24 the mantle, as far...population of xenocrystic diamonds contributing to run-of-mine production. Evidence is accumulating that the diamond-forming...localities at craton margins, such as Jagersfontein, South Africa. The diamonds typically have low N contents...as inclusions in other robust minerals such as zircon and garnet. They are typically small, many being
	Westerlund, K.J. (2004) A metasomatic origin for late Archean eclogitic diamonds: Implications from internal morphology of diamonds and Re-Os and S isotope characteristics of their sulfide inclusions from the late Jurassic Klipspringer kimberlites. South African Journal of Geology, 107 (1) 119-130 doi:10.2113/107.1-2.119	Journal (article/letter/editorial)
	of Cape Town, Private Bag, Rondebosch 7701, South Africa e-mail: kjw@geology.uct.ac.za J.J. Gurney Department...of Cape Town, Private Bag, Rondebosch 7701, South Africa e-mail: jjg@geology.uct.ac.za R.W. Carlson...Rondebosch 7701, South Africa e-mail: shr@geology.uct.ac.za © 2004 Geological Society of South Africa ABSTRACT...could be accounted for by the remobilization of local fluids in or proximal to the pre-existing eclogite...remobilization and the formation of the diamonds. SOUTH AFRICAN JOURNAL OF GEOLOGY, 2004, VOLUME 107, PAGE
	*Maier, Wolfgang D., Lahtinen, Raimo, O'Brien, Hugh - Eds.* (2015) Mineral Deposits of Finland. Elsevier. doi:10.1016/c2012-0-02750-0**	Book
	Kuopio, Finland P. Heino Yara Suomi Oy, Siilinjärvi Mine, Siilinjärvi, Finland R.J. Herrington The Natural...US T. Huhtelin QP-FRB Outokumpu Ferrochrome Kemi Mine, Kemi, Finland E. Hyvönen Geological Survey of Finland...Survey of Finland, Rovaniemi, Finland, Mustavaara Mine Ltd, Oulu, Finland J. Kinnunen Mawson Resources...Oulu, Finland Contributors T. Mäki Pyhäsalmi Mine Oy, Pyhäsalmi, Finland H.V. Makkonen Geological...Taipale Palsatech Oy, Rovaniemi, Finland Mustavaara Mine Ltd, Oulu, Finland, Finland O.T. Rämö University
	*Wilson, A. N. (1982) Diamonds* - from Birth to Eternity. Gemological Institute of America, Santa Monica, CA.**	Book
	stationery while vacationing on the Natal Coast of South Africa. Wilson uses it as a symbol of the Ivory Coast...became imbedded in the Witwatersrand formation in South Africa . 98 Continental Shields of the Earth. 101...108 The Hope Diamond (Color Plate). 129 Map of South Africa . 133 Distribution of known kimberlite occurrences...Kimberley Mine . 140 The "Big Hole of Kimberley" today. 141 The open pit of the Kimberley Mine in 1880...Rose (Color Plate) . 155 Cutaway view of Premier Mine kimberlite pipe. 159 Dr Hans Merensky . 162 The
	*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
	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. . .... . . . . . . . .. North America. . . . . . . . . . . . . . . . . . . . .. South America. . . . . .
	*Mitchell, Roger Howard (1995) Kimberlites, Orangeites, and Related Rocks. Springer US. doi:10.1007/978-1-4615-1993-5*	Book
	discovery of these rocks in the Orange Free State of South Africa. The name is not a new one: In 1928, Percy Wagner...Orangeites . 1. 8.1. Finsch . . . . . . . . 1.8.2. Barkly West Region. 1.8.2.1. Bellsbank. 1.8.2.2. Sover . . ...3. Boshof District . . . 1.8.3.1. Roberts Victor 1.8.3.2. New Elands 1.8.4. Winburg District ... 1.8.5...Kroonstad District .. 1.8.6. Swartruggens District. 1.8.7. Dokolwayo .. 1.8.8. Prieska District 1.8.9. Summary...Biotite Macrocrysts . . 2.1.5. Micas from the Swartruggens Male Lamprophyre 2.1.6. Summary of Mica Compositional
	De Stefano, Andrea, Kopylova, M. G., Cartigny, P., Afanasiev, V. (2009) Diamonds and eclogites of the Jericho kimberlite (Northern Canada) Contributions to Mineralogy and Petrology, 158 (3) 295-315 doi:10.1007/s00410-009-0384-7	Journal (article/letter/editorial)
	(111°28.900 W, 65°59.190 N) is situated 150 km north* of the Lac de Gras kimberlite field and was emplaced...assemblage includes amphibole, phlogopite, rutile, zircon, apatite and ilmenite (Kopylova et al. 2004). These...minerals developed mostly in foliated eclogites. Zircon-bearing eclogites characterized by high Na and...and metasomatic events. Hf model ages of foliated zircon eclogites of subduction origin record a generation...simultaneously with metamorphism at 1.8 Ga and formed zircon* and rutile. Finally, the second episode of metasomatism
	*Coetzee, C. B. - Ed.* (1976) Mineral Resources of the Republic of South Africa (5th ed.) Department of Mines, Pretoria.**	Book (edition)
	OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry;
	Stachel, Thomas, Banas, Anetta, Muehlenbachs, Karlis, Kurszlaukis, Stephan, Walker, Edward C. (2006) Archean diamonds from Wawa (Canada): samples from deep cratonic roots predating cratonization of the Superior Province. Contributions to Mineralogy and Petrology, 151 (6) 737-750 doi:10.1007/s00410-006-0090-7	Journal (article/letter/editorial)
	gold-bearing sediments of the Witwatersrand Basin in South Africa (3.0–2.8 Ga; Robinson 1979; Poujol et al. 2003)...The Wawa diamond deposits are located ca. 20 km north of the town Wawa (Ontario) along the TransCanada...claim block diﬃcult. Currently two main zones (South and North) of volcaniclastic deposits, tens of meters...‘‘Genesis’’ (South Zone) and ‘‘Cristal’’ (a stratigraphically older occurrence in the south-east of the...known only from two inclusions from the Venetia Mine (Aulbach 1999). Geothermometry In the few cases
	*Stachel, T., Harris, J.W. (2008) The origin of cratonic diamonds — Constraints from mineral inclusions. Ore Geology Reviews, 34 (1) 5-32 doi:10.1016/j.oregeorev.2007.05.002*	Journal (article/letter/editorial)
	inclusion-bearing diamonds from the mines of South Africa and Botswana was begun by Gurney and Harris...diamonds is not known. In early work (1973–1985) run-of-mine diamonds in the sieve class −6 + 5 (1.83 mm aperture...the −6 + 5 sieve class) in run-of-mine productions from South Africa and Botswana are listed in Table...comparison of two studies (1975 and 1985) for the Finsch Mine shows a sevenfold increase in the abundance of inclusionbearing...never quantiﬁed for such mines as Roberts Victor (South T. Stachel, J.W. Harris / Ore Geology Reviews
	*(1998) Extended Abstracts - 7th International Kimberlite Conference Cape Town* .**	Book
	responsibility for authors’ errors and omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE...Survey of South Africa) SouthemEra Resources Ltd SOCIETY SPONSORS Geological Society of South Africa (GSSA)...a Phanerozoic subduction regime in eastern New South Wales, Australia. Mantle Dynamics beneath Mongolia:...growth of Archean cratons: a case study from west Africa. The vertical distribution of indicator minerals...diamond. 61 Cr-poor Megacrysts from the Frank Smith Mine and the source regions of transitional kimberlites
	*(1987) Special Publication* Vol. 30. Geological Society of London**	Report (volume)
	Geochemistry of ocean island basalts from the South Atlantic: Ascension, Bouvet, St. Helena, Gough and...Island 269 FITTON, J. G. The Cameroon line, West Africa: a comparison between oceanic and continental...White Mountain alkaline igneous provinces, eastern North America 433 vi Contents UPTON, B. G. J. & EMELEUS...of the classic alkaline provinces, such as East Africa, southern Greenland and the Kola Peninsula, are...example, biotites from the Poohbah Lake syenite in north-western Ontario have been dated at around 2.7 Ga
	*(2010, September) Gems & Gemology* Vol. 46 (3) Gemological Institute of America**	Journal (issue)
	moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...In addition, producing nations, particularly in Africa, moved to derive greater economic benefits from...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...unloaded its diamond stocks and a number of its South African mines, and was making plans to shift the...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell
	*(1977) Second International Kimberlite Conference - Extended Abstracts.*	Book
	California Dept of Geoscience, Purdue University West Lafayette, Indiana 47907 of California, Lawrence...calcite, clay minerals and fragments of crustal and local host country-rock. At Lattavaram the kimberlite...Iherzolite nodules in kimberlites(from Lesotho and South Africa) and were analysed for isotopic compositions...University of the Witwatersrand, Johannesburg, 2001, South Africa) Radiometric age determinations were undertaken...undertaken on 15 kimberlite occurrences in Southern Africa, emphasis being placed on a wide areal distribution
	*(2013) Proceedings of 10th International Kimberlite Conference* Vol. 2. Springer India. doi:10.1007/978-81-322-1173-0**	Book (volume)
	diamond bearing kimberlites of Dharwar Craton in South India, (ii) lamproites of Bundelkhand Craton in...(USA) Barbara Scott Smith (Canada) Craig Smith (South Africa) Nick Sobolev (Russia) Thomas Stachel (Canada)...Billiton and De Beers supported the conference with platinum sponsorship. Australian Scientific Instruments...provided logistic support during field trip to the South Indian Kimberlites. The National Mineral Development...camp-site hospitality at Bunder. Conference Sponsors Platinum sponsors Diamond sponsors A DIAMOND IS FOREVER
	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. G... 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
	*(1999, June) Gems & Gemology* Vol. 35 (2) Gemological Institute of America**	Journal (issue)
	miles west of Hyderabad. Note also, in the last paragraph on page 249, that it should be the Helam mine...Sierra Leone is better described as being in West Africa. Nonetheless, I think that this is a very authoritative...D. Director of Technology, C3 Inc. Morrisville, North Carolina Dr. A. J. A. (Bram) Janse Diamond Exploration...geology from the University of Witwatersrand in South Africa. He subsequently spent two years at the De Beers...Beers Diamond Research Laboratory in South Africa and six months doing geochemical prospecting in Nova
	*(2020-2021, Winter) Gems & Gemology* Vol. 56 (4) Gemological Institute of America**	Journal (issue)
	• Inclusions in Kenyan rubies from the John Saul mine • Lazurite in Mogok ruby • Snowflakes in Mong Hsu...sapphire • Elongated rutile in blue sapphire • Zircon in jadeite • Quarterly Crystal: Garnets in aquamarine...Paris, France New York, New York Johannesburg, South Africa Al Gilbertson Aaron Palke Wuyi Wang Carlsbad...as needles, particles, etch tubes, and mica and zircon crystals remained unaffected. Interestingly, the...heat treatment on zircon and monazite crystals. While the Raman spectra of zircon remained unchanged
	*(2005, April) Gems & Gemology* Vol. 41 (1) Gemological Institute of America**	Journal (issue)
	Canadian addresses to Gems & Gemolog ABOUT THE COVER North American gem carvers are creating dramatic works...collection, which showcases recent work from prominent North American lapidarists. Clockwise from top left, the...a former manager of gem identification at GIA's West Coast Gem Trade Laboratory. With more than 25 years...ct Steinmetz Pink, and the 128.48 ct Star of the South. As a result of the prestige and value associated...are seen in hydrogen-rich diamonds from the Argyle mine (Iakoubovskii and Adriaenssens, 2001). The defects

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Zircon from Helam Mine, Swartruggens, Kgetlengrivier Local Municipality, Bojanala Platinum District Municipality, North West, South Africa

Zircon from
Helam Mine, Swartruggens, Kgetlengrivier Local Municipality, Bojanala Platinum District Municipality, North West, South Africa