 | | Journal (article/letter/editorial) | | (UHPM) terranes (Erzgebirge Massif, Germany; Kokchetav Massif, Northern Kazakhstan; Rhodope Metamorphic Province... Keywords: Diamond, Raman, UHP metamorphism, Kokchetav, Erzgebirge, Rhodope Metamorphic Province introduCtion...from metamorphic rocks from the Kokchetav Massif, Northern Kazakhstan, microdiamonds have been identified...photomicrograph for each (Fig. 1). Kokchetav Massif, Northern Kazakhstan Diamond-bearing samples were selected...from two localities, the Kumdy-Kol microdiamond deposit and the Barchi-Kol area that is located about 17 |  | | Journal (article/letter/editorial) | | microdiamond in UHP dolomite marble from Kokchetav Massif, Kazakhstan H. ISHIDA,1 Y. OGASAWARA,1 K. OHSUMI2...microdiamond in dolomite marble from Kumdy-kol in the Kokchetav Massif, are unusual; a previous study estimated...distinct stages. Key words: dolomite marble; Kokchetav Massif; microdiamond; micro-Laue diffraction; ultrahigh-pressure...1999). The microdiamonds in the Kokchetav Massif, northern Kazakhstan are of crustal origin, formed during...in China (Xu et al., 1992), the Western Gneiss Region in Norway (Dobrzhinetskaya et al., 1995), Saxonian |  | ZHANG, R. Y., LIOU, J. G., ERNST, W. G., COLEMAN, R. G., SOBOLEV, N. V., SHATSKY, V. S. (1997) Metamorphic evolution of diamond-bearing and associated rocks from the Kokchetav Massif, northern Kazakhstan. Journal of Metamorphic Geology, 15 (4) 479-496 doi:10.1111/j.1525-1314.1997.00035.x | Journal (article/letter/editorial) | | diamond-bearing and associated rocks from the Kokchetav Massif, northern Kazakhstan R . Y. Z HA N G1 , J . G. L I OU...at Kumdy Kol and whiteschist from Unit II at Kulet, eastern Kokchetav Massif, northern Kazakhstan, were...Ap, Rt and Zrn; abundant inclusions of diamond, graphite+chlorite (or calcite), phengite, clinopyroxene...Dol+Di±Grt+Phl; inclusions of diamond, dolomite±graphite, biotite, and clinopyroxene were identified in...words: diamond; eclogite; K-feldspar lamellae; Kokchetav Massif; UHP; whiteschist I N T RO DU C TI O N Diamond |  | | Journal (article/letter/editorial) | | partial melting in the Kumdy-Kol region (Kokchetav Massif, Northern Kazakhstan) Alexey L. Ragozin a,⁎...U/Pb Zircon Kokchetav UHP metamorphism partial melting A B S T R A C T The Kokchetav Massif of northern...northern Kazakhstan is the best-known metamorphic diamond locality among numerous ultrahigh-pressure (UHP)...(UHP) terranes in the world. At the Kumdy-Kol deposit, diamondiferous rocks are interbedded with granitic...at the Kumdy-Kol region was performed to constrain the age of partial melting of the Kokchetav UHP metamorphic |  | Hacker, Bradley R., Calvert, Andrew, Zhang, R.Y., Ernst, W.Gary, Liou, J.G. (2003) Ultrarapid exhumation of ultrahigh-pressure diamond-bearing metasedimentary rocks of the Kokchetav Massif, Kazakhstan?. Lithos, 70 (3) 61-75 doi:10.1016/s0024-4937(03)00092-6 | Journal (article/letter/editorial) | | diamond-bearing $ metasedimentary rocks of the Kokchetav Massif, Kazakhstan? Bradley R. Hacker a,*, Andrew Calvert...Abstract The diamond-bearing, ultrahigh-pressure Kokchetav Massif recrystallized at eclogite-facies conditions...Elsevier B.V. All rights reserved. Keywords: Kokchetav Massif; Ultrahigh-pressure metamorphism; Excess argon;...Exhumation rate 1. Introduction The Kokchetav Massif, Kazakhstan (Fig. 1), is a large ( f 10– 15 150...reserved. doi:10.1016/S0024-4937(03)00092-6 Kokchetav Massif. This paper reports new 40Ar/39Ar geochronology |  | | Journal (article/letter/editorial) | | of Microdiamond in Dolomite Marble from the Kokchetav Massif—Additional Evidence for Two-Stage Growth of...of Microdiamond in Dolomite Marble from the Kokchetav Massif—Additional Evidence for Two-Stage Growth of...of Microdiamond in Dolomite Marble from the Kokchetav Massif— Additional Evidence for Two-Stage Growth...diopside in dolomite marble from the Kumdy-kol area of the Kokchetav Massif. These microdiamonds have been...morphology. S-type diamond, the most abundant type in Kokchetav dolomite marble, was examined using microcathodoluminescence |  | Hwang, Shyh-Lung, Shen, Pouyan, Chu, Hao-Tsu, Yui, Tzen-Fu, Liou, Juhn G., Sobolev, Nikolay V., Shatsky, Vladislav S. (2005) Crust-derived potassic fluid in metamorphic microdiamond. Earth and Planetary Science Letters, 231 (3) 295-306 doi:10.1016/j.epsl.2005.01.002 | Journal (article/letter/editorial) | | nanometer-size inclusions in metamorphic microdiamonds of Kokchetav dolomite marble and garnet–quartz–pyroxene rock...Microscopy (AEM); diamond; inclusion; COH fluid; Kokchetav massif; ultrahigh-pressure metamorphism; diamond...were first discovered in the crustal rocks at Kokchetav [1], their presence has been increasingly recognized...These microdiamonds could have been formed from graphite through solid state transformation [3] or precipitated...characterization of water and carbonate inclusions in Kokchetav microdiamonds of a garnet–clinopyroxene rock was |  | | Journal (article/letter/editorial) | | rocks from the Saxonian Erzgebirge and the Kokchetav Massif: are so-called diamondiferous gneisses magmatic...quartz-rich diamondiferous rocks from the Kokchetav Massif, especially the zonation of garnet, were studied...By this, the P^T paths, derived here for the Kokchetav rocks, and the textural observations it is concluded...metasediments (Erzgebirge: at T as high as 1200‡C, Kokchetav Massif: at 50^100‡C lower T) and ascended from at...deep portions of thickened continental crust (Kokchetav Massif: 45^50 km close to 800‡C, Erzgebirge: 55^60 |  | | Journal (article/letter/editorial) | | origin in crustal rocks of the Kokchetav Massif, northern Kazakhstan, diamonds have been described from...the Kokchetav Massif contains rocks with unusually abundant diamonds, particularly in the Kumdy-Kol region...region. Kumdy-Kol diamonds exhibit diverse morphologies, dependent upon the host rock. Raman and cathodoluminescence...by Rozen et al. (1972) from the Kokchetav Massif, northern Kazakhstan, its metamorphic origin was accepted...(1990). Since then, addicontinental collision, Kokchetav tional occurrences have been discovered in the |  | Masago, H., Rumble, D., Ernst, W. G., Parkinson, C. D., Maruyama, S. (2003) Low delta18O eclogites from the Kokchetav massif, northern Kazakhstan. Journal of Metamorphic Geology, 21 (6) 579-587 doi:10.1046/j.1525-1314.2003.00465.x | Journal (article/letter/editorial) | | 579–587 Low d18O eclogites from the Kokchetav massif, northern Kazakhstan H. MASAGO,1,* D. RUMBLE,2 W. G....silicates in eclogites and whiteschists from the Kokchetav massif were analyzed by whole-grain CO2-laser fluorination...and UHP metamorphism. Key words: eclogite; Kokchetav massif; low d18O; whiteschist. INTRODUCTION Since...1990), the Kokchetav massif has attracted the interest of geoscientists worldwide. Kokchetav metamorphic...features of the complex. The significance of the Kokchetav massif and the much greater depths of burial indicated |  | Shatsky, V. S., Jagoutz, E., Sobolev, N. V., Kozmenko, O. A., Parkhomenko, V. S., Troesch, M. (1999) Geochemistry and age of ultrahigh pressure metamorphic rocks from the Kokchetav massif (Northern Kazakhstan) Contributions to Mineralogy and Petrology, 137 (3) 185-205 doi:10.1007/s004100050545 | Journal (article/letter/editorial) | | pressure metamorphic rocks from the Kokchetav massif (Northern Kazakhstan) Received: 14 August 1998 / Accepted:...Zerenda series metamorphic rocks from the Kokchetav massif are reported. Some of these rocks contain...of the Zerenda series from the Kokchetav massif (Northern Kazakhstan) and diagnostic mineral compositions...have been done most extensively for Dora-Maira massif. The residence of these rocks in the mantle did...1997). The diamondiferous rocks of the Kokchetav massif (Kazakhstan) provide another example of crustal |  | | Journal (article/letter/editorial) | | garnet in whiteschist of the HP-UHPM Kokchetav massif, Kazakhstan: a record of progressive UHP metamorphism...metamorphic ŽUHPM. belt in the Kulet region of the Kokchetav massif of Kazakhstan. Garnet displays prograde compositional...T s 720–7608C and P H20 s 34–36 kbar Žcoesiteq graphite stability, phengite geobarometer, KFMASH system...Coesite; Ultrahigh-pressure metamorphism; Kokchetav massif, Kazakhstan 1. Introduction The discovery and tectonic...crustal and supra-crustal rocks in the Kokchetav massif of Kazakhstan has been the subject of considerable |  | | Journal (article/letter/editorial) | | Diamond-Grade Eclogite from the Kokchetav Massif, Northern Kazakhstan a b c Kazuaki Okamoto , Ikuo...Diamond-Grade Eclogite from the Kokchetav Massif, Northern Kazakhstan, International Geology Review, 48:10...Diamond-Grade Eclogite from the Kokchetav Massif, Northern Kazakhstan KAZUAKI OKAMOTO,1 Institute of Earth...investigated mineral inclusions in zircons from Kokchetav diamond-grade eclogites. In the eclogites, phengite...(UHP) eclogite from the Kumdy-Kol region of the Kokchetav Massif, northern Kazakhstan, is the best natural |  | | Journal (article/letter/editorial) | | reported so far are 0.42 a.p.f.u. from the Kokchetav Massif, Kazakhstan (Sobolev and Shatsky, 1990; Shatsky...from UHP rocks such as the Kokchetav Massif (Kumdy-kol) and the Yinggelisay area also show evidence for Si...as shown at 700 °C in Fig. 4A, B. In the low XAl region b0.1, the difference in aCaTiSiO4O resulting from... Austria) and one UHP locality (the Kokchetav Massif, Kazakhstan). Tropper et al. (2002) subsequently...3CaMgSi2 O6 ¼ 6CaTiSiO5 þ Mg3 Al2 Si3 O12 ð6Þ Massif. Titanite from this sample is Al–F rich and contains |  | | Journal (article/letter/editorial) | | UHP-metamorphic rocks from Dora Maira/Western Alps and Kokchetav/Kazakhstan: New insights using cathodoluminescence...rocks from the Dora Maira Massif (Italy) and the Kokchetav Massif (Kazakhstan) were investigated using...ultrahigh-pressure metamorphism, Dora Maira, Kokchetav. Introduction The first cathodoluminescence (CL)...on coesite-bearing specimens from the Dora Maira Massif and Zermatt-Saas Zone. Further investigations were...diamondbearing UHP-metamorphic rocks of the Kokchetav massif/Kazakhstan. Recently, Kempe et al. (1999) presented |  | Lussier, Aaron, Ball, Neil A., Hawthorne, Frank C., Henry, Darrell J., Shimizu, Rentaro, Ogasawara, Yoshihide, Ota, Tsutomu (2016) Maruyamaite, K(MgAl2)(Al5Mg)Si6O18(BO3)3(OH)3O, a potassium-dominant tourmaline from the ultrahigh-pressure Kokchetav massif, northern Kazakhstan: Description and crystal structure. American Mineralogist, 101 (2) 355-361 doi:10.2138/am-2016-5359 | Journal (article/letter/editorial) | | tourmaline from the ultrahigh-pressure Kokchetav massif, northern Kazakhstan: Description and crystal structure...quartzofeldspathic gneisses of the Kumdy-Kol area of the Kokchetav Massif, northern Kazakhstan. Maruyamaite contains... crystal-structure refinement, Kokchetav Massif, northern Kazakhstan, ultrahigh-pressure, microdiamond...tourmaline from diamondiferous Kokchetav UHP metamorphic rocks in northern Kazakhstan (Kaneko et al. 2000). Here...depth greater than 120 km) of the Kokchetav massif of northern Kazakhstan, and discovered the diamond-bearing |  | | Journal (article/letter/editorial) | | elsevier.com/locate/lithos Radiation damage to Kokchetav UHPM diamonds in zircon: Variations in Raman,...tourmaline-rich quartzofeldspathic rock from the Kokchetav Massif, Kazakhstan. The microdiamonds occur as inclusions...in various diamond-bearing rocks from the Kokchetav Massif. To discuss the genesis of diamonds based...first reported from the Kumdy-Kol area of the Kokchetav Massif, northern Kazakhstan (Sobolev and Shatsky...Shatsky, 1990), the Kokchetav ultrahigh-pressure (UHP) metamorphic diamonds have attracted a high level of interest |  | | Journal (article/letter/editorial) | | infiltration in the Kokchetav ultrahigh-pressure metamorphic rocks, northern Kazakhstan Hideki Masago a,⁎...of the Kokchetav massif, Kazakhstan. The mode and extent of retrograde hydration in the massif are highly...was calculated as 0.1% of the total mass of the massif. This amount of fluid is fully covered by the dehydration...Dabie-Sulu, China (Wang et al., 1989), the Bohemian massif, Poland (Bakun-Czubarow, 1992), Sulawesi Indonesia...reported from several regions such as Kokchetav massif, Kazakhstan (Sobolev et al., 1991), Norwegian Caledonides |  | | Journal (article/letter/editorial) | | silicate – carbonate rocks of the Kokchetav Complex, northern Kazakhstan. The analysis of the available...and calc-silicate rocks of the Kokchetav Complex, northern Kazakhstan, appeared (Sobolev and Shatsky...aggregates in Cpx grains from quartz-free rocks of the Kokchetav Complex (Perchuk et al., 1996) and some diamondiferous...–clinopyroxene– carbonate diamondiferous rocks of the Kokchetav Complex. Beside KCpx, the run products contained...liquid compositions displace toward the alkali-poor region of the system. By now, there are no data on KCpx |  | | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Comparison of the Kokchetav and Dabie Shan Metamorphic Complexes: Coesiteand...Shatsky & N. V. Sobolev (1995): Comparison of the Kokchetav and Dabie Shan Metamorphic Complexes: Coesite-...Inc. All rights reserved. Comparison of the Kokchetav and Dabie Shan Metamorphic Complexes: Coesite-...University Library] at 04:53 19 May 2013 Abstract The Kokchetav and Dabie Shan complexes are typical examples...cratons. Other members of this belt are the Sulu region of of NE China, the Imjingang belt in Korea, the |  | | Journal (article/letter/editorial) | | calcite–dolomite marbles from the Greek Rhodope massif in the system CaO–MgO–Al2O3–SiO2–CO2 and indications...diamond-free dolomite marbles from Kumdy–Kol area of the Kokchetav massif (Ogasawara et al., 2000; Ogasawara...history. Garnet is present in UHP marbles from Kokchetav and is considered to be a reliable indicator of...The marbles in the Kimi Complex of the Kimi–Organi area occur as dm to many dekameters thick concordant...dolomitic marbles from four outcrops of the Kimi–Organi area (Fig. 1) were examined with optical microscopy and |  | | Journal (article/letter/editorial) | | the classic U H P terranes of Sulu-Dabie and Kokchetav, in which coesite and diamond have been thoroughly...where coesite is abundant in the Western Gneiss Region, Norway, and ending with the numer ous and diverse...Triassic UHP metamorphism. Kokchetav massif, northern Kazakhstan The Kokchetav massif is a fault-bounded Proterozoic...peridotite has been reported from the Kokchetav massif in the Kumdy Kol area (Zhang et Downloaded by [University...occur in Proterozoic gneisses of the Western Gneiss Region in Norway ( p a r a u t o c h t h o n ) a n d in |
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