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

Download the entire issue in multiple formats at: https://archive.org/details/secondinternatio02inte

ISBN 978-1-55195-418-9

Published: 1977-09-12

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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