 | | Journal (article/letter/editorial) | | ECLOGITE, PERIDOTITE AND PYROPE FROM THE NAVAJO COUNTRY, ARIZONA AND NEW MEXICO M. J. O'HenA ANDE. L. P...diamantiferous kimberlites. Chrome contents of pyrope from altered peridotite inclusions in a Czechoslovakian...kimberlite. flTrnooucrtoN AND Pnrvrous Wonr Numerous volcanic necks of probable Pliocene age pierce the predominantly...Navajo Indian Reservation in Arizona, New Mexico and Utah. The volcanic necks are described as diatremes and...Allen and Balk, 1954) enstatite, chrome-diopside, pyrope and hornblende. Garnetiferous granites and diorites |  | | Journal (article/letter/editorial) | | leaf gold, smoky quark, and turquoise specimens, New Mexico boasts an array of mineral species. RAMON S....Albuquerque, New Mexico 87110 THE PURPOSE OF THIS INDEX is to provide a comprehensive listing of New Mexico...Particular attention was directed toward incorporating new information on discoveries and occurrences, although...to compile all of the mineral occurrences in New Mexico-a venture of that magnitude is beyond the scope...Minerals of New Mexico is the basic reference for locations. Abstracts from the New Mexico mineral symposia |  | | Journal (article/letter/editorial) | | elements in Cr-pyrope from the Navajo volcanic field of the Colorado Plateau, SW USA, and implications...elements in Cr-pyrope from the Navajo volcanic field of the Colorado Plateau, SW USA, and implications...elements in Cr-pyrope from the Navajo volcanic field of the Colorado Plateau, SW USA, and implications...Austin, TX 78712, USA Journal Pre-proof ABSTRACT The zonation of trace elements in Cr-pyrope has been analyzed...subduction. The garnets are from the Navajo Volcanic Field (NVF) of the Colorado Plateau in the southwestern |  | | Journal (article/letter/editorial) | | of Texas, Austin, Texas 78712, USA Abstract. Crystal fragments of pyrope from diatremes of ultramafic...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) | | Geology, UniÕersity of Georgia, Athens, GA 30602, USA Department of Geology and Geophysics, Woods Hole...Hole Oceanographic Institute, Woods Hole, MA 02543, USA Received 8 March 1999; accepted 13 August 1999 Abstract...Proterozoic crust of the Colorado Plateau, southwestern USA, was intruded in the mid-Tertiary by hypabyssal minettes...xenocrysts. Pyrope-rich garnets and Cr-rich diopsides from these fragments collected at Red Mesa, Garnet...Oligocene to early Miocene diatremes of the Navajo Volcanic Field, central Colorado Plateau, are consistent with |  | | Report (issue) | | Defiance and Tohatchi Quadrangles, Arizona and New Mexico BY JOHN ELIOT ALLEN AND ROBERT BALK Prepared...RESOURCES NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO BULLETIN...Defiance and Tohatchi Quadrangles, Anzona and New Mexico BY J O HN E L I OT A L L E N A N D R O B ER T...RESOURCES NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE...Edwin L. Mechem .................. Governor of New Mexico Tom Wiley .................................. |  | | Journal (article/letter/editorial) | | .............................. Hopi Buttes volcanic field................................................................... Pre-lava surface and Hopi Lake......................................................................................... Navajo volcanic fields.................................................................... Monument Valley volcanic field................................................................................... Tuba volcanic field........................................... |  | | Journal (article/letter/editorial) | | 9 Springer-Verlag1987 Genesis of carbonate in pyrope from ultramafic diatremes on the Colorado Plateau...TX 78713, USA Abstract. Mineral associations and compositions of carbonates within pyrope crystals are...depleted peridotite. The pyrope crystals are in ultramafic diatremes of the Navajo field on the Colorado Plateau...included minerals originated from melt trapped in pyrope. The pargasite and mica are F-poor and contain...is the Navajo volcanic field on the Colorado Plateau, where carbonates occur within pyrope crystals. The |  | | Journal (article/letter/editorial) | | a r n e t R i d g e (Arizona) a n d Green K n o b s (New Mexico) ( O ' H a r a a n d Mercy, 1966; W a...Department of Geology, University of New Mexico, Albuquerque, ~lew Mexico, 87106, U.S.A. Eclogite Xenoliths...Riley County, east-central Kansas (Fig. 1). The diatremes are filled with light to dark green, brecciated...map of kimberlite diatremes that occur in Riley County, Kansas 62 H.O.A. Meyer and D. G. Brookins:...Stockdale pipe consisting primarily of orange-red garnet and dark green pyroxene. The garnets are irregular in |  | | Journal (article/letter/editorial) | | same general region as the Hopi Butte: soda-rich volcanic province raises the question as to whether there...of northeastern Arizona and adjacent parts of New Mexico, Utah, and colorado showing distribution of kimberlite...northeastern Arizona and adjacent parts of Utah, New Mexico, and Colorado (Fig. 1). They have been describedby...whatsoever, but a few inclusions of black shale and red sandstonehave been slightly bleached. The fragments...O,Hara and Mercy (1966, p. 341) from Green Knobs in New Mexico (F.ig. 1). However, eclogite has not been |  | | 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) | | Zhang Mineral inclusions in pyrope crystals from Garnet Ridge, Arizona, USA: implications for processes...Mineral inclusions in pyrope crystals from Garnet Ridge in the Navajo Volcanic Field on the Colorado Plateau...study with emphasis on the oxide minerals. Each pyrope crystal is roughly uniform in composition except...diusion halos surrounding some inclusions. The pyrope crystals have near constant Ca:Fe:Mg ratios, 0...ppm H2O. Thermobarometric calculations show that pyrope crystals with dierent Cr contents formed at dierent |  | | Journal (article/letter/editorial) | | metasomatism in the mantle within the stability field of garnet peridotite, probably at depths of at least...from garnet lherzolite is established by relict pyrope (Py 7lGr ~1Alm i 8). The "talc" has Fe/Mg unusually...Sciences, University of Texas, Austin, TX 78712, USA Editorial responsibility: 1.S.E. Carmichael ciated...Chloritegarnet pairs in garnet pyroxenites and pyrope megacrysts yield temperatures in the range 410...ultramafic microbreccia (SUM) in diatremes of the Navajo field (Watson 1967; McGetchin and Silver 1970, 1972; Roden |  | | Journal (article/letter/editorial) | | RELATED ROCKS IN THE MOSES ROCK DIKE, SAN JUAN COUNTY, UTAHI Tnorr.qs R. McGrrcyrN, Department.of Earth...percent another,2 to 5 percent), spinel, chrome-rich pyrope garnet, ilmenite-geikielite, titanoclinohumite...first recognizedthe kimberlite-bearing diatremesas volcanic features (Gregorl', 1915). Williams (1936) briefly...kimberlite diatremesin his reconna.issance study of the volcanic rocksof the Navajo and Hopi Reservations. The...Garnet Ridge. Just north across the Utah border from Red Mesa, Arizona and approximately 20 miles east of |  | | Report (chapter) | | (1968). There are two contemporaneous Tertiary volcanic rock types occurring on the Colorado Plateau;...al. (1972), Helmstaedt & Shultz (1979), Harley & Green (1981), Smith & Levy (1976), Smith & Zeintek (1979)...and mica. Early hydrous assemblages Large orange/red garnets often as symplectites with plag or as coronas...quartz. Sillimanite is overgrown by talc. Pale green amphiboles commonly engulf areas especially near...minerals. Hornblendes are overgrown by a pale green amphibole. Some chlorite is developed at the rim |  | | Journal (article/letter/editorial) | | Sciences, Universityof Texas Austin, Texas 78712, USA Abstract. Eclogite inclusions from kimberlitic diatremes...Geology,StanfordUniversity, Stanford, CA 94305, USA * Introduction The eclogite inclusions in the...these inclusions are commonly zoned, and Raheim and Green (1975) interpreted the zoning to be the result of...eclogite inclusion has been reported from the Green Knobs diatreme to the south (O'Hara and Mercy, 1967)...Morton, 1969; Essene and Ware, 1970; Raheim and Green, 1975). Garnet (60-80% Alm, 10-20% Gr, 10-30% Py) |  | | 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) | | 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...subordinate to rare amounts of forsterite, enstatite, pyrope, diopside, ilmenite, chromite, apatite and Na-rich...olivine in single grains and as mineral inclusions in pyrope. The former occurrence is rare, but the latter |  | Condie, Kent C., Cox, Jessica, O’Reilly, Suzanne Y., Griffin, W.L., Kerrich, Robert (2004) Distribution of high field strength and rare earth elements in mantle and lower crustal xenoliths from the Southwestern United States: The role of grain-boundary phases. Geochimica et Cosmochimica Acta, 68 (19) 3919-3942 doi:10.1016/j.gca.2004.03.025 | Journal (article/letter/editorial) | | 2004 Copyright © 2004 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/04 $30.00 ⫹ .00 Pergamon...doi:10.1016/j.gca.2004.03.025 Distribution of high field strength and rare earth elements in mantle and lower...Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA GEMOC ARC National...calculations indicate that up to 80% of the high field strength (Nb, Ta, Zr, Hf, Th, Ti) and rare earth...Canyon volcanic field; Navajo volcanic field: MR, Moses Rock; Th, The Thumb; GN, Green Knobs; RP, Rio |  | | 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...with an emerald green chromiferous diopside; small amounts of chrome spinel or pyrope garnet are the principal |  | | Journal (article/letter/editorial) | | Upper Mantle in the Buell Park Kimberlite, Arizona, USA A Rely Ken-ichiro Aoki Institute of Mineralogy, Petrology...intergrowth and titanoclinohumite inclusions in pyrope (McGetchin et al., 1970), and absence of humite...heavy mineral concentrates recovered from the Green Knobs kimberlite sample (about 0.5 kg) with the aid...concentrates from the kimberlite outcrops in Green Knobs. References Hariya, Y., Terada, S.: Stability...upper mantle in the Buell Park kimberlite, Arizona, USA. A discussion. Contrib. Mineral. Petrol. 61, 213-215 |  | | Book | | advantage of writing a book in a new area is very apparent - it is an entirely new subject for the reader. However...disadvantages from the standpoint of the author when a new field is undertaken, as established works provide starting...Bibliography 33 10 24 Pyrope garnet 35 Pyrope colours 35 Pyrope classification 37 Pyrope chemistry: Mg3 Ali(SiO...spectra of pyrope 39 Pyrope inclusions 41 vii viii Contents Sizes of pyrope 41 Pyrope values and...and pricing 42 Pyrope occurrences 44 Pyrope sources 44 The Bohemian mines 45 Other pyrope sources 47 Summary |  | | Book | | With 84 Figures Springer-Verlag Berlin Heidelberg New York 1980 Professor J. BARRY DAWSON Department...deposits in the vicinity of Kimberley were an entirely new phenomenon in diamond mining. The diamonds were found...diamondiferous rock was an igneous rock occupying an old volcanic vent but it was not until 1887 that Lewis gave...xenoliths of carbonaceous shale as to resemble a volcanic breccia. (He also believed that diamond resulted...century in the vicinity of Ludlowville, near Ithaca, New York State Introduction 3 (Vanuxem 1837). In |  | Griffin, W. L., Fisher, N. I., Friedman, J., Ryan, C. G., O'Reilly, S. Y. (1999) Cr-Pyrope Garnets in the Lithospheric Mantle. I. Compositional Systematics and Relations to Tectonic Setting. Journal of Petrology, 40 (5) 679-704 doi:10.1093/petroj/40.5.679 | Journal (article/letter/editorial) | | PETROLOGY VOLUME 40 NUMBER 5 PAGES 679–704 1999 Cr-Pyrope Garnets in the Lithospheric Mantle. I. Compositional...91045, USA RECEIVED JANUARY 12, 1998; REVISED TYPESCRIPT ACCEPTED OCTOBER 26, 1998 Chrome-pyrope garnet...trace-element composition of >12 600 Cr-pyrope (Cr2O3 > 1 wt %) xenocrysts in volcanic rocks to evaluate their compositional...tectonothermal event in the crust penetrated by the host volcanic rock. Relative depths of garnets within each sample...Temperature ( TNi). Mn, Ni and Zn contents of Cr-pyrope garnets are controlled by T-dependent partitioning |  | | 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 |
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