 | Plá Cid, J., Nardi, L.V.S., Plá Cid, C., Enrique Gisbert, P., Balzaretti, N.M. (2014) Acid compositions in a veined-lower mantle, as indicated by inclusions of (K,Na)-Hollandite+SiO2 in diamonds. Lithos, 196. 42-53 doi:10.1016/j.lithos.2014.02.019 | Journal (article/letter/editorial) | | Alegre, RS, Brazil Departamento Nacional de Produção Mineral, 88.020-180 Florianópolis, SC, Brazil Laboratório...Eletrônica (LCME-UFSC), 88.040-900 Florianópolis, SC, Brazil d Facultat de Geologia, Universitat de Barcelona...de Física, UFRGS, 91-501-970 Porto Alegre, RS, Brazil b c a r t i c l e i n f o Article history: Received...Hollandites Juína diamonds Lower mantle Granites a b s t r a c t Diamonds from Juína area, Brazil, are known...diamonds from Juininha alluvial deposits, part of the Juína province, and we have found for the first time in |  | Bulanova, Galina P., Walter, Michael J., Smith, Chris B., Kohn, Simon C., Armstrong, Lora S., Blundy, Jon, Gobbo, Luiz (2010) Mineral inclusions in sublithospheric diamonds from Collier 4 kimberlite pipe, Juina, Brazil: subducted protoliths, carbonated melts and primary kimberlite magmatism. Contributions to Mineralogy and Petrology, 160 (4) 489-510 doi:10.1007/s00410-010-0490-6 | Journal (article/letter/editorial) | | sublithospheric diamonds from Collier 4 kimberlite pipe, Juina, Brazil: subducted protoliths, carbonated...carbonated melts and primary kimberlite magmatism Galina P. Bulanova • Michael J. Walter • Chris B. Smith •... Armstrong Jon Blundy • Luiz Gobbo • Received: 4 June 2009 / Accepted: 11 January 2010 / Published...of diamonds from the Cretaceous Collier 4 kimberlite pipe, Juina, Brazil, that are predominantly nitrogen-free...CaTiSi-perovskite inclusion (Group 2) is close to the kimberlite emplacement time (93.1 ± 1.5 Ma). Group 3 diamonds |  | Zedgenizov, D. A., Ragozin, A. L., Kagi, H., Yurimoto, H., Shatsky, V. S. (2019) SiO2 Inclusions in Sublithospheric Diamonds. Geochemistry International, 57 (9) 964-972 doi:10.1134/s0016702919090131 | Journal (article/letter/editorial) | | jeffbenite, and ferropericlase. All SiO2 inclusions are coesite, which is often associated with micro-blocks of...km. Keywords: diamonds, inclusions, stishovite, coesite, sublithospheric mantle, subduction, carbon, oxygen...lower mantle (Fukao et al., 2001). Silica phases (coesite and stishovite) have never been found in peridotitic... Although coesite eclogites are only infrequently found in kimberlites worldwide, coesite inclusions...determined that diamond-hosted mineral assemblages with coesite correspond to a broad series of mafic compositions |  | Nestola, Fabrizio, Burnham, Antony D., Peruzzo, Luca, Tauro, Leonardo, Alvaro, Matteo, Walter, Michael J., Gunter, Mickey, Anzolini, Chiara, Kohn, Simon C. (2016) Tetragonal Almandine-Pyrope Phase, TAPP: finally a name for it, the new mineral jeffbenite. Mineralogical Magazine, 80 (7) 1219-1232 doi:10.1180/minmag.2016.080.059 | Journal (article/letter/editorial) | | GUNTER5, CHIARA ANZOLINI1 AND SIMON C. KOHN2 1 2 3 4 5 6 Dipartimento di Geoscienze, Università di Padova...diamond from São Luiz river, Juina district of Mato Grosso, Brazil. Its density is 3.576 g/cm3 and its microhardness...647, 100, 2 0 4; 1.625, 44, 3 2 5; 2.881, 24, 2 1 1; 2.220, 19, 2 0 6; 1.390, 13, 4 2 4; 3.069, 11, 2...2 0 2; 2.056, 11, 2 2 4; 1.372, 11, 2 0 12. The structural formula of jeffbenite can be written as (M...pressure/temperature conditions, diamond, São Luiz river, Brazil. Introduction DIAMONDS are able to preserve high-pressure |  | | Journal (article/letter/editorial) | | the managing editor: In his iconic 1984 paper, “Coesite and pure pyrope in high-grade blueschists of the...cited 711 times since publication and mentioned in 4 papers in this issue—Christian Chopin concluded his...David Smith’s paper the same year, heralded a new field of research. I thought it would be interesting to...doing humble work: Christian Chopin at the pyrope– coesite locality near Martiniana Po, Italy, ca. 1984. Interesting...years, Photomicrograph (crossed polarizers) of a coesite rimmed by palisade quartz in pyrope garnet. Picture |  | Burnham, A.D., Thomson, A.R., Bulanova, G.P., Kohn, S.C., Smith, C.B., Walter, M.J. (2015) Stable isotope evidence for crustal recycling as recorded by superdeep diamonds. Earth and Planetary Science Letters, 432. 374-380 doi:10.1016/j.epsl.2015.10.023 | Journal (article/letter/editorial) | | the Juina-5 and Collier-4 kimberlites and the Machado River alluvial deposit in Brazil have carbon isotopic... and diamonds transported to the surface by kimberlite eruptions worldwide (Jacob, 2004), or it may...(Ickert et al., 2015), and lithospheric minerals (coesite and garnet) from Argyle, Australia (Schulze et...diamonds from South Africa (the Jagersfontein kimberlite). As with lithospheric eclogitic inclusions from...18 O for superdeep diamonds from Brazil (the Juina-5 and Collier-4 kimberlites; Bulanova et al., 2010; |  | Thomson, A. R., , , Kohn, S. C., Bulanova, G. P., Smith, C. B., Araujo, D., Walter, M. J. (2014) Origin of sub-lithospheric diamonds from the Juina-5 kimberlite (Brazil): constraints from carbon isotopes and inclusion compositions. Contributions to Mineralogy and Petrology, 168 (6) doi:10.1007/s00410-014-1081-8 | Journal (article/letter/editorial) | | sub‑lithospheric diamonds from the Juina‑5 kimberlite (Brazil): constraints from carbon isotopes and inclusion...diamonds sourced from the Juina-5 kimberlite pipe in Southern Brazil, which contain optically identifiable...Universitário Darcy Ribeiro, 90910‑900 Brasilia, Brazil D. Araujo Rio Tinto Exploration Pty. Limited, 1...of majoritic garnet with pyroxene exsolution, coesite with and without kyanite exsolution, clinopyroxene...deposits and kimberlites from the Juina district in Brazil (Wilding 1990; Harte 1992; Hutchinson 1997; Walter |  | | Journal (article/letter/editorial) | | (Davies et al., 1999, Pokhilenko et al., 2001), Brazil (Harte et al., 1999; Hutchison et al., 1999, 2001;...Australia (Tappert et al., 2005а; 2009), Arkhangel’sk kimberlite province (Sobolev et al.,1997), Siberian platform...inclusions in sublithospheric diamonds from Saõ—Luiz (Brazil) and other diamond deposits worldwide were used...majoritic garnet inclusions in Saõ-Luiz diamonds (Brazil) and other diamonds worldwide (data from Kiseeva...ultra-deep diamonds acquire a walstromite structure (Fig. 4). Rarely found are inclusions of Ca2SiO4 (larnite) |  | Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018 | Journal (article/letter/editorial) | | Shatsky 1,2 , Konstantin Kuper 3 and Hiroyuki Kagi 4 1 2 3 4 * V.S. Sobolev Institute of Geology and Mineralogy...(sublithospheric) diamonds from Saõ-Luiz river placers (Brazil) and from alluvial placers of the northeastern...been formed at depths of 120–200 km at pressures of 4–6.5 GPa and temperatures of 950–1300 ◦ C [1–6]. However...[13–15], i.e., alluvial placers the Saõ-Luiz in Brazil [16,17] were reported in various worldwide localities...riverand in northeastern Siberian Platform [18,19]. Brazil [16,17] and northeastern Siberian Platform [18 |  | Korolev, Nester, Kopylova, Maya, Gurney, John J., Moore, Andy E., Davidson, Jim (2018) The origin of Type II diamonds as inferred from Cullinan mineral inclusions. Mineralogy and Petrology, 112. 275-289 doi:10.1007/s00710-018-0601-z | Journal (article/letter/editorial) | | diamonds containing garnet, omphacite, kyanite and coesite comprise 33% of Type II diamonds. The sublithospheric...generally vary for Type II diamonds within a kimberlite and between kimberlites. Keywords Type II diamonds...diamonds . Diamond inclusions . Cullinan kimberlite . Photoluminescence . Diamond paragenesis . Carbon...Cape Town, Rondebosch, Cape Town 7701, South Africa 4 Department of Geology, Rhodes University, Artillery...are very rare, comprising only 1.3% of smaller (<4 ct) diamonds from the database of 3.5 million diamonds |  | Shatskiy, A., Borzdov, Y. M., Litasov, K. D., Kupriyanov, I. N., Ohtani, E., Palyanov, Y. N. (2014) Phase relations in the system FeCO3-CaCO3 at 6 GPa and 900-1700 C and its relation to the system CaCO3-FeCO3-MgCO3. American Mineralogist, 99 (4) 773-785 doi:10.2138/am.2014.4721 | Journal (article/letter/editorial) | | presence of FeCO3 widens the calcite stability field down to the P-T conditions of sub-cratonic mantle...continental crust exhumed from mantle depths. Coesite- and diamondbearing ultrahigh-pressure (UHP) metamorphic...they were subducted to the depths of 130–220 km (4–7 GPa) and then brought back to the surface (Searle...diamond-grade UHP metamorphism, mantle metasomatism, kimberlite magma generation, and diamond formation, occur...identification of crystal phases by Raman spectroscopy (Fig. 4). At 900 °C, samples are represented by crystal aggregates |  | Sobolev, N.V., Wirth, R., Logvinova, A.M., Yelisseyev, A.P., Kuzmin, D.V. (2016) Retrograde isochemical phase transformations of majoritic garnets included in diamonds: A case study of subcalcic Cr-rich majoritic pyrope from a Snap Lake diamond, Canada. Lithos, 265. 267-277 doi:10.1016/j.lithos.2016.07.030 | Journal (article/letter/editorial) | | Ca-orthopyroxene, clinopyroxene, Cr-spinel and coesite completely located and isolated in the inner part...deformation of diamond CE P within the coesite stability field at T > 1000oC and depth no less than 100...minerals were found in Juina province placers of Brazil only (Hutchison, 1997; Wilding, 1990; Walter et...transmission electron microscope with a Schottky field-emitter as electron source. The TEM was equipped...equipped with a Fishione high-angle D dark-field detector (HAADF) for Z-contrast and diffraction contrast |  | Anzolini, C., Angel, R.J., Merlini, M., Derzsi, M., Tokár, K., Milani, S., Krebs, M.Y., Brenker, F.E., Nestola, F., Harris, J.W. (2016) Depth of formation of CaSiO 3 -walstromite included in super-deep diamonds. Lithos, 265. 138-147 doi:10.1016/j.lithos.2016.09.025 | Journal (article/letter/editorial) | | Warsaw, Żwirki i Wigury 93, 02089 Warsaw, NU 1 4 MA Poland Institute of Physics, CCMS, Slovak Academy...inclusions still trapped in a diamond coming from Juina (Brazil) by in-situ analyses (single-crystal X-ray diffraction...detail and mostly in diamonds from São Luiz (Juina, Brazil) (see Kaminsky, 2012 and references therein). These...they were trapped within this diamond. In addition, 4 Confidential manuscript submitted to Lithos ACCEPTED...alluvial deposits in the Juina area of south-western Brazil, from the São Luiz river (Harte et al., 1999; Kaminsky |  | Lian, Dongyang, Yang, Jingsui, Wiedenbeck, Michael, Dilek, Yildirim, Rocholl, Alexander, Wu, Weiwei (2018) Carbon and nitrogen isotope, and mineral inclusion studies on the diamonds from the Pozanti–Karsanti chromitite, Turkey. Contributions to Mineralogy and Petrology, 173 (9) doi:10.1007/s00410-018-1499-5 | Journal (article/letter/editorial) | | Research Centre for Geosciences, 14473 Potsdam, Germany 4 Department of Geology and Environmental Earth Science...at the beginning of each session. 13 72 Page 4 of 18 Contributions to Mineralogy and Petrology (2018)...consisted of 20 cycles of 4 s each. To assure maximum stability, the 1280-HR magnetic field was monitored throughout...cycles of 12C12C− (1 s integration), 12 14 − C N (4 s), and 12C15N− (15 s). A single nitrogen isotope...were diamonds 1–105, 1–32 and 5–103 from Juina (Brazil) (Palot et al. 2012), while the reference diamonds |  | | Book (volume) | | Sparks Editors Proceedings of 10th International Kimberlite Conference Volume 1 Dedicated to Roger H. Mitchell...Mitchell Proceedings of 10th International Kimberlite Conference D. Graham Pearson • Herman S. Grütter...Sparks Editors Proceedings of 10th International Kimberlite Conference Volume 1 Special Issue of the Journal...Photograph The 10th International Kimberlite Conference International Kimberlite Conferences (IKCs) are special...special events that are held across the world once in 4–5 years. IKC is the confluence platform for academicians |  | Bataleva, Yuliya V., Kruk, Aleksei N., Novoselov, Ivan D., Furman, Olga V., Palyanov, Yuri N. (2020) Decarbonation Reactions Involving Ankerite and Dolomite under upper Mantle P,T-Parameters: Experimental Modeling. Minerals, 10 (8) 715 doi:10.3390/min10080715 | Journal (article/letter/editorial) | | 1a–c) [2,3], partial melting processes (Figure 2) [4–6], decomposition (breakdown) [5–7], dissolution [8...4MgSiO 3 ↔ 2Mg2SiO4 + CaMgSi2O6 + 2CO2 [18,19] (4) (5) 3MgCO Al22SiO O35++ 2SiO 3SiO22↔↔Mg Mg Si3...2CO2 3MgCO + Al SiO + 2SiO ↔ Mg Al Si O + 3CO (3) (4) However, most existing models decarbonation, and...experimental reactions involving natural carbonates (1)–(4), the parameters of reaction with the formation of...modeling decarbonation reactions natural carbonates (1)–(4), the parameters reaction olivine, ortho-of and clinopyroxene |  | Palot, M., Pearson, D.G., Stern, R.A., Stachel, T., Harris, J.W. (2014) Isotopic constraints on the nature and circulation of deep mantle C–H–O–N fluids: Carbon and nitrogen systematics within ultra-deep diamonds from Kankan (Guinea) Geochimica et Cosmochimica Acta, 139. 26-46 doi:10.1016/j.gca.2014.04.027 | Journal (article/letter/editorial) | | Cosmochimica Acta Received Date: Accepted Date: 4 June 2013 19 April 2014 Please cite this article...systematics suggests that the diamonds are depleted by ~4‰ (KK-200B) and ~0‰ (KK-204) relative to the oxidised...nitrogen in diamond relative to the growth medium (KN = 4-16), independent of the redox state. The parental... Mineral inclusions in the Kankan diamond suite 4 Mineral inclusions in our current sample suite were...touching pair of CaSi2O5-titanite + Ca2SiO4-larnite, coesite and amorphous phases (Table 1). Diamond KK-200 |  | Palot, M., Cartigny, P., Harris, J.W., Kaminsky, F.V., Stachel, T. (2012) Evidence for deep mantle convection and primordial heterogeneity from nitrogen and carbon stable isotopes in diamond. Earth and Planetary Science Letters, 357. 179-193 doi:10.1016/j.epsl.2012.09.015 | Journal (article/letter/editorial) | | nitrogen abundances in 133 diamonds from Juina (Brazil) and Kankan (Guinea). Host syngenetic inclusions...providing Paragenesis d13C 1-6 1-22 1-24 1-37 1-102 4-27 5-16 5-35 5-58 5-59 5-60 5-78 5 ¼80 5-105 5-109-2...BZ-214 1-35 4-4 5-55 BZ-213 BZ-124 BZ-127 BZ-129 BZ-209 BZ-215 BZ-217 1-1 1-2 1-5 1-8 1-30-1 1-30-4 1-32 1-34...1-34 4-7-2 4-7-3 4-101 4-102 5-107 BZ-237 1-4-3 1-4-4 1-7 1-31 1-33 1-36 1-38 Unknown Unknown Unknown...100 8 99 13 66 63 13 86 100 0.5 3-1 3-4 3-101 4-18 4-33 5-17 5-103 5-104 BZ-88 max BZ-88-2 BZ-88-3 |  | | Journal (article/letter/editorial) | | even though the bulk chemistry remains constant. (4) The ages found for formation of lithospheric diamonds...important to stress the general point that the age of kimberlite eruption is unlikely to be the age of diamond...variety of localities for diamonds of both in situ kimberlite and alluvial sources. Typically, diamonds are...cratons (Kalahari in southern Africa, Guapore in Brazil, west Africa, and the Slave craton in Canada) where...peridotite ol+opx+cpx+grt ol, opx, grt, [cpx, chr]4 Maj peridotite ol+maj (cpx) ? Maj ‘wd-peridotite’ |  | | Journal (article/letter/editorial) | | is generally reduced — with fO2 between FMQ-2 and -4 (Stagno et al., 2013) — diamond formation was traditionally...of isolated nitrogen (Smit et al., 2016b, 2018a); 4) four garnet inclusions have been observed in four...‰ (Stern et al., 2014), was analysed after every 4 unknowns (with a total of 69 analyses in the analytical...to the unknowns, along with 5 % error propagation. 4. Results All five Zimmi diamonds analysed here by...and S4). [N] and δ13C in Zimmi 18 varies between 4 and 44 at. ppm and -8.3 and -7.7 ‰ (n = 50). Zimmi20 |  | Wu, Weiwei, Yang, Jingsui, Wirth, Richard, Zheng, Jianping, Lian, Dongyang, Qiu, Tian, Milushi, Ibrahim (2019) Carbon and nitrogen isotopes and mineral inclusions in diamonds from chromitites of the Mirdita ophiolite (Albania) demonstrate recycling of oceanic crust into the mantle. American Mineralogist, 104 (4) 485-500 doi:10.2138/am-2019-6751 | Journal (article/letter/editorial) | | Telegrafenberg, Section 4.4, D-14473 Potsdam, Germany 4 Institute of Geosciences, Energy, Water and Environment...deep mantle, at least in the diamond stability field, perhaps near the top of the mantle transition zone...cratonic mantle (carried to Earth’s surface by kimberlite, lamproite, and lamprophyre); (2) in ultrahigh-pressure...et al. 2013). Studies of mineral inclusions in kimberlite diamonds (e.g., Stachel and Harris 2008; Shirey...https://pubs.geoscienceworld.org/msa/ammin/article-pdf/104/4/485/4669732/am-2019-6751.pdf by Yonsei University |  | | Journal (article/letter/editorial) | | (calcite, aragonite, dolomite and magnesite) occur in coesite- and diamond-bearing ultrahigh-pressure metamorphic...shatskiy@gmail.com (A.F. Shatskiy) depths of 130–220 km (4–7 GPa) (Dobretsov and Shatsky, 2004; Mikhno and Korsakov...eitelite [Na2Mg(CO3)2] (Sharygin et al., 2013a); (4) crystallized alkali-carbonate melts in secondary...2013); (5) carbonate-silicate compositions of kimberlite which is derived from partly decarbonated hypabyssal...fresh groundmass of the Udachnaya-East hypabyssal kimberlite (Yakutia) agrees with experimental data (Litasov |  | | Book | | 2366-1585 Springer Mineralogy ISBN 978-3-319-54542-4 DOI 10.1007/978-3-319-54543-1 ISSN 2366-1593 (electronic)...been found in 1897 at South African kimberlitic pipe. It is now appreciated that this eclogite represents.... . .... 1 .... 1 .... 3 .... .... .... 4 4 6 .... .... 7 8 .... .... 11 13 .... .... .... . . . . . . . . . . . . . . . . . . . . . . . . 4 Upper-Mantle Diamond-Parental Systems in Physico-Chemical...Ca-perovskite CaSiO3 Chalipite Fe2C Chromite FeCr2O4 Coesite SiO2 Cogenite Fe3C Clinopyroxene (Ca,Na)(Mg,Fe)(Si |  | | Journal (article/letter/editorial) | | (Zimbabwe), Argyle (Australia) and Machado River (Brazil). Examples of FTIR core-to-rim line scans, maps...model temperature. 4. Results 4.1 Line scans of diamonds from the Murowa kimberlite, Zimbabwe. Mur 70...data will be discussed in section 5.3. Figs. 3 and 4 show similar data to Figs. 1 and 2, but for a different...difficult to extract much useful information. Fig. 4 shows that (as for Mur 70 in Fig. 2) there is a complex...placer deposit, Brazil. SC A comprehensive study of diamonds from Machado River, Brazil is included in |  | | Journal (article/letter/editorial) | | the formation of a Na3Al2(PO4)3 [4] phase component in garnet via [8]Na[4]P[8]M2+ –1 Si–1 that is strongly...consistent with the coupled substitution [4] Si4+ + [6]Al3+ = [4]P5+ + [6]Mg2+ and with a strong preference...components from the major eclogite phases garnet, coesite, and clinopyroxene (Konzett and Frost 2009). During...P2O5 at P as low as 1.8 to 3.0 GPa. In the P-T range 4–13 GPa/1000–1350 °C, the P solubility in garnet strongly...typically accompanied [4] by elevated Na due to a coupled substitution [8]Na[4]P[8]M2+ –1 Si–1 (cf. Thompson |
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