 | | Journal (article/letter/editorial) | | Upper Mantle in the Buell Park Kimberlite, Arizona, USA A Discussion Douglas Smith Department of GeologicalSciences...GeologicalSciences,Universityof Texas, AustinTX 78731, USA Abstract. Titanoclinohumite, titanochondrodite,...source of their samples, is 6km southwest of Green Knobs, another major diatreme of kimberlitic tuff....Descriptions of hydrated peridotite inclusions from Green Knobs by Smith (1974) suggest that the temperatures... Almost 90% of the peridotite inclusions at Green Knobs contain a suite of hydrous minerals which includes |  | | Journal (article/letter/editorial) | | Printed in The Netherlands 107 PETROLOGY OF THE GREEN KNOBS DIATREME AND IMPLICATIONS FOR THE UPPER MANTLE...Geological Sciences, University of Texas, Austm, Texas USA Received September 25, 1975 Peridotite inclusions...crystal fragments, and kimberlite breccia at Green Knobs, New Mexico, have been studied to evaluate compositions...associated with the kimberlites. "l'he mantle below Green Knobs consists of spinel peridotite from 45 to perhaps...movement along these zones. 1. Introduction Green Knobs, a kimberlitic diatreme containing crustal and |  | | Journal (article/letter/editorial) | | Sciences, University of Texas, Austin, Texas 78712, USA Abstract. Crystal fragments of pyrope from diatremes...garnet-inclusion pairs based upon application of new methods to new data, and we document additional phases within...garnets described here are from the Garnet Ridge and Red Mesa ultramafic diatreme clusters, located at approximately...Malde and Thaden (1963), and Hunter (1979). The Red Mesa cluster contains six narrow dikes which locally...described at the Moses Rock, Buell Park, and Green Knobs diatremes of the Navajo cluster (McGetchin and |  | | Journal (article/letter/editorial) | | AJ-20, University of Washington, Seattle, WA 98195, USA Abstract. Petrographic cvidence is prcsentcd for...Sondrio, Italy. The breakdown coincides in the field with the isograd reaction: antigorite +diopside...sample. Under crustal pressures, the stability field of F-free clinohumite is entirely contained inside...that time that the easily identified megascopic red T i - C I appeared not to persist into the aureole...1977). Yamamoto and Akimoto outlined a synthesis field for hydroxyl-clinohumitein the region 800~ ~ C from |  | | Journal (article/letter/editorial) | | Sciences, The University of Texas, Austin, TX 78713, USA Abstract. Potassic latite in the transition zone...Florida Institute of Technology, Melbourne, FL 32901, USA 1973; Mysen et al. 1974; Mysen and Boettcher 1975;...latite, field relationships show that it is one of the youngest units in the volcanic field. The latites...perhaps largely altered glass, and contains numerous green microlites of pyroxene(?). Xenocrysts of a variety... They occur in the Simmons Quadrangle, Yavapai County, Arizona, and were grouped with basalts in the |  | | Journal (article/letter/editorial) | | Upper Mantle in the Buell Park Kimberlite, Arizona, USA Ken-ichiro Aoki 1, Kiyoshi Fujino 2 and Masaki...Ringwood and Major [1] and Sclar et al. [2]. In such new hydrated magnesian silicate phases were synthesized...northeastern Arizona and in areas adjoining Utah and New Mexico. The geology and petrography of these kimberlites... chlorite and subordinate to rare amounts of forsterite, enstatite, pyrope, diopside, ilmenite, chromite...-/ 30 PRESSURE 40 50 Kb Fig. 1. Stability field of chondrodite and clinohumite in the system MgO--SiO2--H20 |  | | Journal (article/letter/editorial) | | Sciences,University of Chicago, Illinois, 60637, USA A B S T R A C T. Textural and chemical data are...phases in tectonic slices of upper-mantle peridotite. New data are given for pargasite and associated phases...xenoliths, in megacryst suites of basic and ultrabasic volcanic rocks, and in upper-mantle lenses tectonically...basic or ultrabasic lava flows, in scoria cones or volcanic breccia vents. The xenoliths are commonly of two...subordinate enstatite or bronzite with an emerald green chromiferous diopside; small amounts of chrome spinel |  | | Journal (article/letter/editorial) | | Sciences, University of Texas, Austin, TX 78713, USA Abstract. Mineral associations and compositions...crystals are in ultramafic diatremes of the Navajo field on the Colorado Plateau. Although inclusions of...up unaltered from the mantle is the Navajo volcanic field on the Colorado Plateau, where carbonates occur...inclusions repeatedly were repolished to expose new surfaces. Standards used for analysis include olivine...diatreme (Malde and Thaden 1963; Hunter 1979) and the Red Mesa diatreme (Hunter 1979). Hunter (1979) and Hunter |  | | Book (edition) | | org/details/mineralsofnewmexOOnort MINERALS OF NEW MEXICO Before all things, there which has them ...Henderson, 1933 MINERALS of New Mexico STUART A. NORTHROP University of Mew Mexico PROPERTY OF HBSIER ...UNIVERSITY OF NEW MEXICO PRESS ALBUQUERQUE © 1944. 1959. UNIVERSITY OFNEW MEXICO PRESS ALL RIGHTS...BOUND AT THE UNIVERSITY OF NEW MEXICO PRINTING PLANT ALBUQUERQUE, NEW MEXICO, U. S. A. FOR IVAH 1...history of New Mexico mineralogy and mining 3 5 Prehistoric utilization of minerals New New Mexico under |  | | Journal (article/letter/editorial) | | Geology, Arizona State University, Tempe, AZ 85287, USA Abstract. Experimental melting relationships for... 5241 Broad Branch Rd, NW Washington, DC 20015, USA * Present address: more, kinetic and fluid dynamic...lamprophyre localities is the mid-Tertiary Navajo Volcanic Field in the Colorado Plateau (Williams 1936; Nicholls...three mafic minette plugs proposing that the Navajo Field extends across the southeastern margin of the Colorado... especially near the boundary of its stability field. The phase equilib- Table 2. Experimental conditions |  | | Journal (article/letter/editorial) | | peridotite xenoliths, Grand Canyon ®eld, Arizona, USA Received: 1 July 1996 / Accepted: 2 December 1996...(C1100), University of Texas, Austin, TX 78712, USA Editorial responsibility: T.L. Grove recorded by...orthopyroxene in contact with chlorite from Green Knobs, New Mexico and was plotted and discussed by Smith...system H2O-CaO-MgO-Al2O3-SiO2 are pertinent. talc+forsterite = enstatite+water 2Mg3 Si4 O10 OH2 2Mg2 SiO4...SiO4 5Mg2 Si2 O6 2H2 O 2 tremolite + forsterite = diopside + enstatite + water 2Ca2 Mg5 Si8 O22 |  | | Journal (article/letter/editorial) | | J., et al.) 20 2 157 Biotite, igneous rocks, volcanic, ash flows, tuff, K/Ar, Miocene, Andes, Peru (Noble...113 Bones, uranium, disequilibrium, Pleistocene, Mexico, Puebla, Valsequillo (Szabo, Barney J., et aL)...Gilberto.) 3 3 190 Gneiss, lead, U/Th/Pb, Precambrian, New South Wales, Broken Hill (Reynolds, P.H.) 12 2 215...Onverwacht Series (Sinha, A.K.) 18 2 377 Igneous rocks, volcanic, basalt, dolerite, K/Ar, data, isochrons, intrusions...(Siedner, G., et al.) 30 2 292 Igneous rocks, volcanic, basalt, K / A r , interpretation, volcanism, |  | | Journal (article/letter/editorial) | | metasomatism in the mantle within the stability field of garnet peridotite, probably at depths of at least...Sciences, University of Texas, Austin, TX 78712, USA Editorial responsibility: 1.S.E. Carmichael ciated...ultramafic microbreccia (SUM) in diatremes of the Navajo field (Watson 1967; McGetchin and Silver 1970, 1972; Roden...mantle hydration. The xenoliths may also provide new constraints on mineral equilibria in hydrated ultramafic...Granulite and peridotite inclusions in the Navajo field are also found in potassic, mafic rocks, all called |  | | Journal (article/letter/editorial) | | Clinohumite 02 03 The JacupirangaTiCl is orange to red-brown in color Fe CATIONNUMBER and displays a light...each other, delimiting a separate compositional field for each carbonatite and for the reaction rock....carbonbased on 13 cations, and Mr,/Si was calculated. New n atites occurs as reaction rims or patches in the...function of the initial or 6, it does not mean that a new mineral of the humite Fe-Mg ratio of the olivines...discussedabove. TiCl is reported from the Moses Rock, Green Knobs, and Buell Park kimberlitic diatremes of the |  | | Book (volume) | | macro- and micro-inclusions of foreign material. The field is ripe for study if one can separate out the essential...McCal!um, C. D. Mabarak, and H. G. Coopersmith II. FIELD KIMBERLITES RELATIONS GEOLOGY OF ThE DOKOLWAYO...were were within within the the diamondstability field at a temperature close feet. feet. formed at virtually...pressures. temperatures and diamon d stability field at a temperature close to 11000C and a pressure...might crystallise and hence to gain an insight into new No attempt was made to allocate olivine, orthopyroxene |  | | Journal (article/letter/editorial) | | Sciences, University of Texas, Austin, TX 78712, USA Department of Geosciences, Franklin and Marshall...College, P.O. Box 3003, Lancaster, PA 17604-3003, USA Received 22 July 1998; revised version received...been found in xenoliths from Bandera Crater, New Mexico, in the southeastern margin of the Colorado Plateau...distribution from the northwestern margin (Grand Canyon field). Evidence that Si-enrichment locally accompanied...analyses of peridotite xenoliths from the Grand Canyon field ranges from 26 to 29%, more than in comparably depleted |  | | Journal (article/letter/editorial) | | Sciences, University of Texas, Austin, TX 78712, USA Department of Geosciences, Franklin and Marshall...College, P.O. Box 3003, Lancaster, PA 17604-3003, USA Received 22 July 1998; revised version received...been found in xenoliths from Bandera Crater, New Mexico, in the southeastern margin of the Colorado Plateau...distribution from the northwestern margin (Grand Canyon field). Evidence that Si-enrichment locally accompanied...analyses of peridotite xenoliths from the Grand Canyon field ranges from 26 to 29%, more than in comparably depleted |  | | Journal (article/letter/editorial) | | Springer-Verlag 2011 Abstract This study presents new phase equilibrium data on primitive mantle peridotite...Massachusetts Institute of Technology, Cambridge, MA 02139, USA e-mail: ctill@mit.edu A. C. Withers Department of...University of Minnesota, Minneapolis, MN 55455, USA wedge. Therefore, the dehydration of serpentinized...lowers the peridotite solidus (Kushiro et al. 1968b; Green 1973; Millhollen et al. 1974; Mysen and Boettcher...Kawamoto and Holloway 1997; Grove et al. 2006; Green et al. 2010). One challenge facing experimental |  | | Journal (article/letter/editorial) | | Archean Ruby Range metamorphic complex. Consistent field, petrologic, petrofabric and textural relationships...assemblages (magnesio-hornblende, orthopyroxene, olivine, green spinel, ± titanian hydroxyl-clinohumite) and associated...Sinlder (1942) first described the mineralogy, field relationships and economic potential of the Wolf...amphibolite metamorphic event of the area. 70 FIELD RELATIONSHIPS The central and southeast portions...plateau and express themselves topographically as knobs and low ridges. The ultramafic bodies range in size |  | | Book (volume) | | International Conference, held in Santa Fe, New Mexico, October 3-7, 1977. Conference was "to provide...xenoliths and through geophysical methods." In field trips associated with the Conference, participants...the SullivanButtesLatite, ChinoValley, Yavapai County, Arizona, Richard J. Arculus and DouglasSmith ...Ultramafic Inclusions inMinette FromtheNavajoVolcanic Field, StephenN. Ehrenberg .............................and Carbonatesin Peridotite InclusionsFrom the Green Knobs and Buell Park Kimberlitic Diatremes on the Colorado |  | | Journal (article/letter/editorial) | | equilibration within the plagioclase periodotite stability field. Textural relations of Al-rich spinel suggest an...P~p~o UItroma|lC Belt • B~fe l i e Red • Red Hill, D ~ MI .Red MI HIGH - T L~zard e • X • ~ 0...peridotite (Papua [18]; Burrow Mt. [15]; Red Mt. [19]; Red Hill, Dun Mt., Red Mt. [l 7]), high-temperature peridotite...chemistry ( Cro.86 A ll.o2Feo.12) occupies the field of spinel in ultramafic inclusions and of aluminous...OSOO£te 334 ALPINE I _. Burro M, Red MI Q Red Hill, Dun M I Red MI HIGH - T L ,ztlrd lee • CUMULATE |  | | Journal (article/letter/editorial) | | Pyr =pyrope Chl =chlorite Amp=amphibole For =forsterite Ens = enstatite Opx = orthopyroxene Cpx =clinopyroxene...diopside + enstatite + quartz + HzO. (l) When forsterite is present the stability of tremolite is limited...lower temperatures by the reaction tremolite + forsterite = diopside + enstatite + H20 (2) due to a decrease...diagrams show phase relations as projected from forsterite and H20 onto the MgA1204-CaMgSizO6-Mg2Si206 plane...in CMAS at several invariant points, out of which new reactions involving amphibole may be generated as |  | | Journal (article/letter/editorial) | | peridotite: the reaction clinochlore+enstatite=forsterite+pyrope+H2O Received: 10 May 1999 / Accepted:...volcanism. The reaction clinochlore+enstatite=forsterite+pyrope+H2O is the important reaction for defining...thermal stability of clinochlore, clinochlore=forsterite+pyrope+spinel+H2O. They have been used in the...version of the previously published data set. The new results show that chlorite in subducting slab or...inclusions in kimberlite from the Colorado Plateau, USA (Smith 1979). 450 The amount of chlorite which |  | | Journal (article/letter/editorial) | | correction of the glass analyses we used synthetic forsterite GRR1017, a well-established blank standard for...weight) ZM1opx-HT Kilbourne Hole, New – 0 0 0 0 0 0 0 0 This study Mexico, U.S.A. (dehydrated) GRR247 Synthetic...1939 3226‡ 217(22)§ 243(25) Bell et al. (1995) New Mexico, U.S.A. DE2-1 Deutsche Erde 2 kimberlite, 3.318§...240(24) 245(25) Skogby et al. (1990) GKopxA Green Knobs, 3.318§ 1403(98) 1357(163) 2963(296) 2654 3069...BHVO-2G 54.8 49.3 19 30 No. analyses F/ Si† Forsterite (blank standard) 4 0.0111(5) 4 3 NIST glasses |  | | Book | | Bishop's Lodge, Santa Fe, October 3-7, 1977 New Mexico ( J ■•A- V\ f I ' , A. DIAMONDIFEROUS...discounted as being kimberlite (Foote, 1889; Lake, 1890). Subsequently, others studied the source... 5. Foote, R.B. (1889). Rec. Geol. Surv. Ind., Lake, P. (1890). Rec. Geol. Surv. Ind., V. 23. Mathur...composition Mg3(Alo.8MgQ.6Sio.6)Si3°12In the MgSi03 rich field, the three phase assemblage of 3Mg2Si04(or YMg2Si04)...of 3.4 b.y. for a peridotite nodule in a recent volcanic rock from San Quintin, Baja California. The Rb(0 |
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Green Knobs, Red Lake volcanic field, McKinley County, New Mexico, USA