Vol. 2 (1977): Vol 2: International Kimberlite Conference, Santa Fe

Extended Abstracts

• Diamondiferous kimberlite of the Wajrakharur area, southern India

  Jagannadham Akella, Robert H. McCallister, Henry O.A. Meyer

  1-3

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• Pyroxene-garnet solid solution equilibria in the Earth's mantle

  Syun-iti Akimoto, Masaki Akaogi

  4-6

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• Pb, Sr, and Nd isotopes in minerals from ultramafic nodules in kimberlites

  C.J. Allgre, P. Richard Manhes, D. Rousseau, N. Shimizu

  7-7

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• Rb-Sr and U-Pb age determinations on southern African kimberlite pipes

  H.L. Allsopp, J.D. Kramers

  8-10

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• Stress corrosion crack propagation as a possible mechanism for kimberlite pipe formation

  O.L Anderson

  11-11

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• Lherzolite inclusions and megacrysts from the Geronimo volcanic field, San Bernardino Valley, southeastern Arizona

  R.J. Arculus, M.A. Dungan, G.E. Lofgren, J.M. Rhodes

  12-14

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• Dense inclusions in the Sullivan buttes latite, Chino Valley, Yavapai County, Arizona

  Richard J. Arculus, Douglas Smth

  15-17

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• Trace elements and Sr-isotopic geochemistry of the constituent minerals in ultramafic xenoliths from San Quintin, Baja California

  Asish R. Basu, V. Rama Murthy

  18-20

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• Primordial 'planetary' rarw gas in a mantle derived amphibole

  Asish R. Basu, Kazuo Saito, E. Calvin Alexander

  21-23

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• The distribution of Fe2+ and Mg between pyroxene and ilmenite in the intergrowths from kimberlites

  F.C. Bishop

  24-26

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• Na, K, P and Ti minerals in xenoliths from African kimberlites

  F.C. Bishop, J.V. Smith, J.B. Dawson

  27-29

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• Oxide and sulphide minerals in kimberlite from Green Mountain, Colorado

  N.Z. Boctor, Henry O.A. Meyer

  30-32

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• Metasomatism and the genesis of kimberlites and alkali basalts

  A.L. Boettcher, J.R. O'Neil, K.E. Windom, D.C. Stewart, H.G. Wilshire

  33-35

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• Geophysical and Rb-Sr study of the Elliott County, Kentucky and Prairie Creet, Arkansas Kimberlites

  S.L. Bolivar, D.G. Brookins

  36-38

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• Compositional zoning of olivines in kimberlite from the De Beers mine, Kimberley, South Africa

  F.R. Boyd, C.R. Clement

  39-41

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• Petrogenesis of olivine melilitite and kimberlite and melting of peridotite - C-O-H

  G. Brey, D.H. Green

  42-43

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• Significance of uranium abundance in United States kimberlites

  D.G. Brookins, R.S. Della Valle, S.L. Bolivar

  44-46

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• The geochemistry of ultramafic nodules from Pipe 200 and their bearing on the nature of the upper mantle beneath Lesotho

  D.A. Carswell, D.B. Clarke, R.H. Mitchell

  47-49

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• Comparison of ultramafic and mafic xenoliths from the Kilbourne Hole and Potrillo Maar, New Mexico

  James L. Carter

  50-52

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• Synthesis of the K-Fe-Ni sulphide from Frank Smith mine

  D.B Clarke

  53-55

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• Precambrain untramafic dykes with kimberlite affinities in the Kimbrley area

  C.R. Clement, E.M.W. Skinner, J.B. Hawthorne, L. Kleinjan

  56-58

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• Kimberlite redefined

  C.R. Clement, E.M.W. Skinner, B.H. Scott

  59-60

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• Partial melts in upper mantle nodules from Labrador kimberlites

  K.D. Collerson, J. Malpas

  61-62

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• Ultramafic xenoliths from the Premier kimberlite pipe

  R.V. Danchin

  63-66

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• The ages and uranium contents of zircons from kimberlites and associated rocks

  Gordon L. Davis

  67-69

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• Late-stage diopsides in kimberlite groundmass

  J.B. Dawson, J.V. Smith, R.L. Hervig

  70-71

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• Geothermometry and geobarometry of synthetic spinel lherzolite in the system CaO-MgO-Al2O3-SiO2

  James R. Dixon, Dean C. Presnall

  72-74

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• Discrete nodule assemblages in kimberlites from northern Colorado and southern Wyoming: evidence for a diapric origin of kimberlite

  David H. Eggler, M.E. McCallum, C.B. Smith

  75-77

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• The Washington Pass Volcanic Center: Evolution and eruption of minette magmas of the Navajo Volcanic Field

  S.N. Ehrenberg

  81-83

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• Garnet peridotite xenoliths in minette from the Navajo Volcanic Field

  S.N. Ehrenberg

  84-86

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• A model of phase relations in the system MgO-SiO2-H2O-CO2 and prediction of the compositions of liquids coexisting with forsterite and enstasite

  David E. Ellis, Peter J. Wyllie

  87-89

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• Mineral chemistry of the Premier mine kimberlite

  Don Elthon, W. Ian Ridley

  90-92

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• Potassic richterite bearing peridotites from kimberlite and the evidence they provide for upper mantle metasomatism

  A.J. Erlank, R.S. Rickard

  93-95

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• Comparitive chemical-mineralogic investigation of five Western Apline lherzolite complexes

  W.G. Ernst

  96-98

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• Petrochemistry of kimberlitic rocks and associated xenoliths of south-eastern Australia

  John Ferguson, J.W. Sheraton

  99-101

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• Mode of occurrence and tectonic control of the kimberlite-bodies in East-Kasai (Zaïre)

  C.L. Fieremans

  102-104

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• Exhange of Mn, Ca, Mg, and Al between synthetic garnet, orthopyroxene, clinopyroxene and olivine

  Tony A. Finnerty

  105-107

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• Petrogenesis of South African and Australian kimberlitic suites

  F.A. Frey, J. Ferguson, B.W. Chappell

  108-110

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• Blue silliminite and the origin of crustal xenoliths at Kilbourne Hole, New Mexico, USA, and Bournac, Haute-Loire, France

  E.S. Grew

  111-113

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• Lower crustal granulites and eclogites from Lesotho & South Africa

  W.L. Griffin, D.A. Carswell, P.H. Nixon

  114-116

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• Experimental study on two picrites with reference to the genesis of kimberlite

  Alok K. Gupta, Kenzo Yagi

  117-119

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• Peridotites and garnet olivine websterites at Bultfontein mine

  J.J. Gurney, P.J. Lawless, J.B. Dawson

  120-122

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• Silicate and oxide inclusions in diamonds from the Finsch kimberlite pipe

  J.J. Gureny, J.W. Harris, R.S. Rickard

  123-125

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• Megacrysts from the Monastery mine

  J.J. Gurney, W.R.O. Jakob, J.B. Dawson

  126-128

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• Spinels and ilmenites in high pressure regimes: an empirical analysis

  S.E. Haggerty

  129-131

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• The mineral chemistry of ilmenite nodule associations from the Monastery diatreme

  S.E. Haggerty, R.B. Hardie, B.M. McMahon

  132-134

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• Regional and local variations in the characteristics of diamonds from some southern African kimberlites

  J.W. Harris, J.B. Hawthorne, M.M. Oosterveld

  135-137

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• Clinopyroxene-rich sheets in garnet-peridotite: xenolith specimens from the Matsoku kimberlite pipe, Lesotho

  B Harte, J.J. Gurney, K.G. Cox

  138-140

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• A diamond graphite eclogite from the Roberts Victor mine

  C.J. Hatton, J.J. Gurney

  141-143

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• Kyanite eclogites from the Roberts Victor mine

  C.J. Hatton, J.J. Gurney

  144-146

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• Igneous fractionation trends in Roberts Victor eclogites

  C.J. Hatton, J.J. Gurney

  147-149

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• Geology of the Dokolwayo kimberlite and associated Palaeo-alluvial diamond deposits

  J.B. Hawthorne, A.J. Carrington, C.R. Clement, E.M.W. Skinner

  150-152

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• Type A - Type C eclogite transition in a xenolith from the Moses Rock diatreme - further evidence for the presence of metamorphosed ophiolites beneath the Colorado Plateau

  H. Helmstaedt, D.J. Schulze

  153-155

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• Minor element content of olivine and orthopyroxene in upper-mantle xenoliths

  R.L. Hervig, J.V. Smith, J.B. Dawson

  156-158

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• The isotopic composition of carbonate in kimberlite, mica peridotite and basalt along the 38th parallel lineament in Kentucky and Virginia

  Graham Hunt

  159-161

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• Mantle pyroxenitic "liquids" and "cumulates": Geochemistry of complex xenoliths from San Carlos, Kilbourne's Hole and eastern Australia

  Anthony J. Irving

  162-164

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• The nature and conditions of formation of granulite facies xenoliths from the Matsoku kimberlite pipe, Lesotho

  P.M. Jackson, B Harte

  165-167

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• Al-augit and Cr-diopside ultramafic nodules in European alkali basalts

  E Jagoutz, V. Lorenz, H. WŠnke

  168-170

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• Harzburgite nodules from a lamprophyre near Wawa, Ontario, Canada

  A.J.A. Janse

  171-173

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• Geophysical and geochemical constraints on the compositional heterogeneity of the upper mantle

  T.H. Jordan

  174-174

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• Structure and petrology of the continental lithosphere: Methods and initial results from the COCORP program

  S. Mahlburg Kay, J. Oliver, R. Kay, S Kaufman, L. Brown

  175-176

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• Partitioning of Co and Ni between Fe-metal and oxide for olivine

  S.E. Kesson

  177-179

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• Fluid dynamics during eruption of water-steam and magma-gas systems: Geysers, maars and diatremes

  Susan Werner Kieffer

  180-182

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• Lead and strontium isotopes in inclusions in diamonds and in mantle-derived xenoliths from southern Africa

  J.D. Kramers

  183-185

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• Polymict peridotites from the Bultfontein and De Beers mines, Kimberley, South Africa

  P.J. Lawless, J.J. Gurney, J.B. Dawson

  186-188

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• Mantle xenoliths from southeastern New England

  B.D. Leavy, O.D. Hermes

  189-191

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• Diamond-bearing kimberlite of Prairie Creek, Murfreesboro, Arkansas

  Richard D. Lewis, Henry O.A. Meyer

  192-194

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• The melilite nephelinite diatremes of the Swabian Alb/Germany and the formation of autoliths

  Volker Lorenz

  195-197

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• Mafic and ultramafic xenoliths from the Kao kimberlite pipe, Lesotho

  Ian D. MacGregor

  198-199

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• Evaluation of P-T conditions of diamond formation with reference to chrome-bearing garnet stability

  I. Yu. Malinovsky, A.M. Doroshev

  200-202

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• Thermal history and exsolution microstructures of two clinopyroxenes from the Thaba Putsoa kimberlite pipe, Lesotho

  Robert H. McCallister, Henry O.A. Meyer, Ricardo Aragon

  203-204

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• Discrete nodule assemblages in kimberlites from northern Colorado and southern Wyoming

  M.E. McCallum, D.H. Eggler, C.B. Smith

  205-207

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• Diamonds from kimberlite in the Colorado-Wyoming State Line district

  M.E. McCallum, C.B. Mabarak, H.G. Coopersmith

  208-210

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• Kimberlites on Mars

  T.R. McGetchin, J.R. Smyth

  211-211

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• Kimberlitic, melilititic, trachytic and carbonatitic eruptives at Saltpetre Kop, Sutherland, South Africa

  J.R. McIver, John Ferguson

  212-214

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• The Oka carbonatite complex: Magnetite compositions and the role of immiscible silicate liquids

  B.H. McMahon, S.E. Haggerty

  215-217

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• The upper mantle beneath the southwestern United States

  Jean-Claude Mercier

  218-218

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• Peridotite xenoliths and the dynamics of kimberlite intrusion

  Jean-Claude Mercier

  219-219

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• The Hills Pond peridotite, Woodson County, Kansas: a richterite-bearing Cretaceous intrusive with kimberlitic affinities

  R.B. Merrill, M.E. Bickford, A.J. Irving

  220-222

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• Green Mountain kimberlite, Colorado: mineralogy and petrology

  Henry O.A. Meyer, Stephen J. Kridelbaugh

  223-225

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• Enstatite xenocryst containing coexisting Cr-poor and Cr-rich garnet, Weltevreden Floors, South Africa

  Henry O.A. Meyer, Hsiao-ming Tsai, John J. Gurney

  226-228

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• Mineral inclusions in diamond: Premier, Jagersfontein and Finsch kimberlites, South Africa, and Williamson mine, Tanzania

  Henry O.A. Meyer, Hsiao-ming Tsai, Jules Moreau, H. Judith Milledge

  229-231

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• Mineralogy of the Tunraq kimberlite, Somerset Island, N.W.T.; Canada

  Roger H. Mitchell

  232-234

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• Olivine compositional complexity in olivine melilitites from Namaqualand, South Africa, and its bearing on kimberlite genesis

  A.E. Moore, A.J. Erlank

  235-237

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• Experimental studies of diffusion of water in crystalline peridotite and partitioning of some trace elements between water-rich vapor and crystals in the upper mantle

  Bjorn O. Mysen, Ikuo Kushiro, Toshitsugu Fujii

  238-240

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• Fission-track dating of kimberlitic zircons

  C.W. Naeser, M.E. McCallum

  241-242

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• Lherzolite-bearing lavas and the nature of the upper mantle beneath British Columbia, Canada

  J. Nicholls, M.Z. Stout

  243-245

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• Estimates of stress and recovery conditions in various types of mantle peridotites

  A. Nicolas, D. Ricoult

  246-248

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• Garnet bearing ultrabasic and discrete nodule suites from Malaita, Solomon Islands, S.W. Pacific, and their bearing on an oceanic geotherm

  Peter H. Nixon, F.R. Boyd

  249-256

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• Granulite facies xenoliths from Kilbourne Hole maar, New Mixico maar, New Mexico, and their bearing on deep crustal evolution

  Elaine R. Padovani, James L. Carter

  257-254

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• The ilmenite association from the Frank Smith kimberlite, South Africa

  J.D. Pasteris, F.R. Boyd, P.H. Nixon

  255-257

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• Abundances of palladium, iridium and gold in kimberlites and associated nodules

  D.K. Paul, J.H. Crocket, P.H. Nixon

  258-260

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• Petrochemical and thermodynamic evidence of the origin of kimberlites

  L.L. Perchuk, V.I. Vaganov, J.P. Ilupin

  261-261

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• Lashaine, Tanzania xenoliths: a new collection

  Jane E.N. Pike, C.E. Meyer, H.G. Wilshire

  262-264

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• Xenoliths of diamondiferous untramafic rocks from Yakutian kimberlites

  N.P. Pokbilenko, N.V. Sobolev, Yu.G. Lavrent'ev

  265-267

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• Zircon-oxide reactions in diamond-bearing kimberlites

  E. Raber, S.E. Haggerty

  268-270

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• A quench orthopyroxene-ilmenite xenolith from kimberlite - evidence for Ti-rich liquid in the upper mantle

  Penelope J. Rawlinson, J.B. Dawson

  271-272

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• The detailed chemistry of the reaction sp + px = gt + ol in pyroxenite inclusions from Salt Lake Crater, Hawaii

  J.B. Reid, Margaret Eggleton

  273-275

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• Mineral chemistry as an indicator of crystallization paths in carbonate-bearing magmas

  W.I. Ridley, D. Elthon

  276-276

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• Synthesis of pyrope-knorringite garnet and the origin of diamonds of peridotite paragenesis

  A.E. Ringwood, S.E. Kesson

  277-278

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• Diamond and graphite in eclogite xenoliths from kimberlite

  D.N. Robinson

  279-281

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• Field geology and petrology of the minette diatreme at Buell Park, Apache County, Arizona

  M.F. Roden

  282-284

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• The stability of graphite and diamond as a function of the oxygen fugasity in the mantle

  E. Woermann, B. Knecht, M. Rosenhauer, G.C. Ulmer

  358-359

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• CO2-rich fluid inclusions in the polymetamorphic basement rocks of the Vredefort structure, South Africa, and their possible bearing on its origin

  W. Schreyer, O. Medenbach, K. Abraham, L.O. Nicolaysen

  288-290

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• Garnet pyroxenites and partially melted eclogites from the Sullivan Buttes Latite xenolith suite, Prescott, Arizona

  Daniel J. Schulze, Herwart Helmstaedt

  291-293

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• Petrogenesis of kimberlites and associated potassic lamprophyres from West Greenland

  B.H. Scott

  294-296

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• Electrical conductivity and velocity anomalies in partial melts

  T.J. Shankland

  297-298

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• The mineralogy of xenoliths from Orapa, Botswana

  S.R. Shee, J.J. Gurney

  299-301

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• Geochemistry of transition elements in garnet lherzolite nodules in kimberlites

  N. Shimizu, C.J. Allgre

  302-303

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• Mineralogical classification of southern African kimberlites

  E.M.W. Skinner, C.R. Clement

  304-306

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• Petrography, petrology and chemistry of kimberlite from the Colorado-Wyoming State Line and Iron Mountain, Wyoming districts

  C.B. Smith, M.E. McCallum, H.G. Coopersmith, D.H. Eggler

  307-309

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• Hydrous minerals and carbonates in peridotite inclusions from the Green Knobs and Buell Park kimberlitic diatremes on the Colorado plateau.

  Douglas Smith

  310-312

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• Garnet-pyroxene growth in eclogite inclusions from the Garnet Ridge kimberlitic diatreme, Arizona

  Douglas Smith, Michael Zientek

  313-315

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• Late-stage micas in kimberlite groundmass

  J.V. Smith, R. Brennesholtz, J.B. Dawson

  316-318

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• K, Rb and Ba in micas from kimberlite and peridotitic xenoliths

  J.V. Smith, R.L. Hervig, D. Ackermand, J.B. Dawson

  319-321

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• Silica-bearing eclogites from the Roberts-Victor kimberlite

  J.R. Smyth

  322-324

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• Mineral parageneses of natural diamonds

  N.V. Sobolev

  325-327

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• Deep-seated xenoliths, xenocrysts in kimberlites and crystalline inclusions in diamonds from "Udachnaya" kimberlite pipe, Yakutia

  N.V. Sobolev, N.P. Pokhilenko, Yu.G. Lavrent'ev, E.S. Yefimova

  328-330

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• Geochemistry of the Murfreesboro kimberlite and its relationshop with other igneous rocks of Arkansas

  K.F. Steele, G.H. Wagner

  331-333

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• Structural setting of kimberlites in south-eastern Australia

  K.J. Stracke, John Ferguson, L.P. Black

  334-336

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• Kimberlites in Brazil: an initial report

  Darcy Svisero, Henry O.A. Meyer, Hsiao-ming Tsai

  337-339

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• Mineral reactions in a model mantle: prediction of mineral compositions and assemblages

  Alan Bruce Thompson

  340-342

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• Petrology of ultramafic xenolith suite from Tahiti and reactions with enclosing basalt

  Robert J. Tracy, Peter Robinson

  343-345

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• Mineralogy and S34/S32 ratios of sulfides associated with kimberlite, xenoliths and diamonds

  Hsiao-ming Tsai, Yuch-ning Shieh, Henry O.A. Meyer

  346-348

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• Evidence for fractional crystallisation in the mantle of late-stage kimberlitic liquids

  S.Y. Wass

  349-351

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• The chemical composition of kimberlites compared with that of three basaltic magma types

  K.H. Wedephol, Y. Muramatsu

  352-354

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• The system K2O-MgO-Al2O3-SiO2-H2O-CO2: phase relations of the joins Ph-H2O-CO2 and Ph-En-Mag at high temperatures and high pressures and applications to the genesis of alkalic magmas

  R.F. Wendlandt

  355-357

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• The stability of graphite and diamond as a function of the oxygen fugasity in the mantle

  M. Rosenhauer, E. Woermann, B Knecht, C.G. Ulmer

  285-287

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• The influence of Cr2O3 on the relationships between spinel - and garnet-peridotites

  B.J. Wood

  360-362

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• Phase relationships in the system picroilmentite-clinopyroxene-Cr2O3

  B. Wyatt

  363-365

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• Kimberlite magmas from the system peridotite-H2O-CO2

  Peter J. Wyllie

  366-369

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• Emplacement and crystallisation of a kimberlite dyke from the De Beers mine, Kimberley, South Africa

  Colin H. Donaldson, Arch M. Reid

  370-372

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• Strontium and strontium isotope distributions in some kimberlite nodules and minerals

  A.J. Erlank, N. Shimizu

  373-375

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• Variations in stable isotope compositions for carbon and oxygen in some South African and Lesothan kimberlites

  B.J. Kobelski, D.P. Gold, P. Deines

  376-380

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• Isotopic compositions of strontium in Indian kimberlites

  D.K. Paul

  381--1

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