 | | Journal (article/letter/editorial) | | Petrogenesis of Dunite Xenoliths from Koolau Volcano, Oahu, Hawaii: Implications for Hawaiian Volcanism...ABSTRACT Ultramafic xenoliths from Koolau Volcano on the island of Oahu, Hawaii, are divided into spinel lherzolite... (1) The forsterite content of olivines in the Koolau dunites (Fo 82 . 6 -Fo 89 7) overlap those of Hawaiian...those in abyssal lherzolites and dunites and in Koolau spinel lherzolites. (2) Most of the dunites contain...and clinopyroxene. (3) Chrome spinels from the Koolau dunites are distinctly higher in Cr/(Cr +Al), lower |  | | Journal (article/letter/editorial) | | Xenoliths in the Honolulu Volcanic Series, Hawaii1 by EVERETT D. JACKSON and THOMAS L. WRIGHT U.S. Geological...PLATES INTRODUCTION T H E famous landmarks of HonoluluāDiamond Head, the Punchbowl, and Koko Headāare...related volcanic events that occurred on south-eastern Oahu during late Pleistocene and Holocene time. The products...material, have been designated collectively the Honolulu Volcanic Series, and the locations of the vents...1935,1938;Stearns, 1940; Winchell, 1947). The Honolulu volcanics are chemically diverse, but they are |  | | Journal (article/letter/editorial) | | beneath Oahu, Hawaii, from the mantle xenoliths included in the rejuvenated stage lavas (Honolulu Volcanics...(SLC) and Kaau-Pali-Kalihi (KPK) vents. Three main xenolith suites are found at Oahu: spinel peridotite...(MOR-generated oceanic crust + thickened crust formed by Koolau shield volcano activity). The harzburgite layer...characteristics of the 90 m.y. old lithosphere beneath Oahu that has been variably metasomatized by passing...model lithosphere beneath Oahu is ~90 km. The seismic low-velocity zone beneath Oahu is likely due to the |  | | Journal (article/letter/editorial) | | Science and Technology University of Hawaii at Manoa Honolulu, Hawaii 96822 edecarlo@soest.hawaii.edu T...7192 Kalanianaole Highway Suite A143A-103, Honolulu, Hawaii 96825 bryan@bluecapproductions.com he Hawaiian...highlight some of the important mineral resources of Hawaii and their locations and accessibility, presenting...quarry, viewed from the Kealia Trail, Mokuleia, Oahu. Eric Heinen De Carlo photo. 218 ROCKS & MINERALS...courtesy of John Smith, Hawaii Undersea Research Laboratory, University of Hawaii at Manoa; ages courtesy |  | | Report (issue) | | ............................................ . Island of ](u.uai .............................................................................. . Island of Oahu ......................................................................................... . Island of Molokai ................................................. : .............................. . Island of Maui ............................... __ ......26 27 28 4 CONTENTS. Petrography-Continued. Island of Maui-Continued. Page. East Maui ........... |  | Bizimis, Michael, Sen, Gautam, Salters, Vincent J.M., Keshav, Shantanu (2005) Hf-Nd-Sr isotope systematics of garnet pyroxenites from Salt Lake Crater, Oahu, Hawaii: Evidence for a depleted component in Hawaiian volcanism. Geochimica et Cosmochimica Acta, 69 (10) 2629-2646 doi:10.1016/j.gca.2005.01.005 | Journal (article/letter/editorial) | | 2005 Copyright Ā© 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ā«¹ .00 doi:10...of garnet pyroxenites from Salt Lake Crater, Oahu, Hawaii: Evidence for a depleted component in Hawaiian...Florida International University, Miami, FL 33199, USA National High Magnetic Field Laboratory, Isotope...32306, USA 3 Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA (Received...Salt Lake Crater, Oahu, Hawaii. These xenoliths occur in the posterosional Honolulu Volcanics Series lavas |  | | Journal (article/letter/editorial) | | Melting: Constraints from Lithospheric Xenoliths at Oahu, Hawaii HUAI-JEN YANG1ā, GAUTAM SEN1 AND NOBUMICHI SHIMIZU2...MIAMI, FL 33199, USA 2 WOODS HOLE OCEANOGRAPHIC INSTITUTION, WOODS HOLE, MA 02543, USA RECEIVED APRIL...lherzolite and four spinel lherzolite xenoliths from Oahu, Hawaii, contain clinopyroxene grains that show homogeneous...Petrology, 85, 391ā403). Equilibrium pressures range from 21 to 7 kbar and extents of melting vary from...extent of depletion lead to a slightly broader range of dF/dP values (0Ā·26ā0Ā·78%/kbar). These values |  | | Journal (article/letter/editorial) | | Space Center, Mail Code XI3, Houston, TX 77058, USA Department of Earth and Ocean Sciences, University...Columbia, SC 29208, USA c NASA Johnson Space Center, Mail Code XI4, Houston, TX 77058, USA Received 3 September...peridotite xenoliths from Salt Lake Crater and Pali (Oahu, Hawaii), representing samples of the oceanic mantle...PadroĢn-Navarta et al., 2014). The olivines from Hawaii studied here oļ¬er the rare opportunity to constrain...from the Pali nephelinite vents erupted on the slopes of the Koolau caldera on the island of Oahu (White |  | | Journal (article/letter/editorial) | | Planetary Sciences, University of California, Davis, USA Published online: 26 May 2015. Click for updates...Planetary Sciences, University of California, Davis, USA Downloaded by [New York University] at 08:41 30...synthesis of spinel peridotite phase assemblages for a range of compositions that mimic natural samples is used...of the temperature, pressure, and compositional range of naturally occurring ultramaļ¬c rocks. The results...compositions that cover much of the compositional range of natural spinel peridotites. The starting compositions |  | | Journal (article/letter/editorial) | | U.S. Geological Survey, Denver, Colorado 80225, USA and Fouad TERA The Lunatic Asylum of the Charles...Institute of Technology, Pasadena, California 91109, USA Received 23 March 1973 Revised version received 22...analyzed major silicate minerals (olivine ~<10 ppb; enstatite 5-28 ppb; chrome diopside '~ 400 ppb). Through...0 8 Pb/ 2 0 4 Pb = 37.80-38.86) lies within the range of values defined by many modern volcanic rocks...Potrillo, New Mexico, (3) Nunivak Island. Alaska, (4) Oahu Island, Hawaii, and (5) Lanzarote, Canary Islands |  | | Report (issue) | | of the Island of Hawaii GEOLOGICAL SURVEY PROFESSIONAL PAPER 214-D Petrography of the Island of Hawaii...representative samples of rock types from every volcano on Hawaii by thin sections, mineral grains, and hand specimens...Surficial pyroclastic deposits surrounding Kilauea caldera-_________________-------____-____ Littoral cone...Mauna Loa from the southeast, showing Mokuaweoweo caldera and the row of pit craters along the upper part...--------_--__----__ 54 12. Geologic*map of the Island of Hawaii___________________-_____-_-----____- |  | | Journal (article/letter/editorial) | | Atmospheric Sciences Cornell University Ithaca, NY 14853 USA wmw4@cornell.edu 1 ACCEPTED MANUSCRIPT Abstract...in the range of 3 to 7, which matches the most common compositions observed in oceanic island basalts...mantle plumes that are responsible for oceanic island volcanoes and perhaps other instances of intraplate...(Morgan, 1971). The compositions of the oceanic island basalts (OIB) differs significantly from lavas...erupted elsewhere, such as at mid-ocean ridges and in island arcs. If they are the products of mantle plumes |  | | Journal (article/letter/editorial) | | experimentally at a series of temperatures in the pressure range 1 atm to 40 kb and with water pressures 1 to 10...of amphibolite takes place over a much greater range of temperature than basalt. At 10 kb water pressure...Field observations Major phases Co-precipitation Range of crystallization Liquidus temperature Sequence...descriptions / Quartz dolerite, Honolulu, Oahu I Hypersthene basalt, Mauna Loa, Hawaii I Tholeiite, Prehistoric...Prehistoric Kilauea, Hawaii Tholeiite, 1960 Kilauea, Hawaii Olivine tholeiite, 1921 Kilauea, Hawaii High-alumina |  | | Report (issue) | | Geochemistry of the East Molokai Volcanic Series, Hawaii GEOLOGICAL SURVEY PROFESSIONAL PAPER 961 Petrology...Geochemistry of the East Molokai Volcanic Series, Hawaii By MELVIN H. BEESON GEOLOGICAL SURVEY PROFESSIONAL...-------------------------------Geologic map of island of Molokai showing location of Kalaupapa secti...000-ftJ-thick section of mostly porphyritic lavas that range from transitional tholeiitic to alkalic to distinctly...southwest of Kalaupapa on East Molokai Volcano, Hawaii. On the basis of whole-rock composition, the section |  | | Journal (article/letter/editorial) | | Na-poor phenocrysts have the same compositional range as clinopyroxenes associated with the shield stage...stages, which suggests that the model of Hawaiian island formation may not be fully applicable to Louisville...Sciences, Brigham Young University, Provo, UT 84602, USA 2 School of Earth and Ocean Sciences, Cardiff University...long-lived mantle hot spot. Also similar to the Hawaii-Emperor Seamount Chain, the LST shows a distinct...wave planation and subsidence of Burton oceanic island (Buchs et al. 2018). Unit I is the main focus of |  | Gibson, Sally A., Rooks, Eve E., Day, Jason A., Petrone, Chiara M., Leat, Phillip T. (2020) The role of sub-continental mantle as both āsinkā and āsourceā in deep Earth volatile cycles. Geochimica et Cosmochimica Acta, 275. 140-162 doi:10.1016/j.gca.2020.02.018 | Journal (article/letter/editorial) | | clinopyroxenes (up to 615 ppmw) are within the range previously published for continental mantle. Lithium...mean bulk volatile contents of peridotites from Pali Aike and the Antarctic Peninsula (H2O = 89 Ā± 31...Ā± 11.2 ppmw and Li=2 Ā± 0.7 ppmw) are within the range previously published for continental āoffcratonā...xenolith suites (e.g. Oahu, Hawaii; eastern China and the Rio Grande Rift, SW USA), here we show for the...intra-plate affinities from southern Patagonia (Pali Aike Volcanic Field) and the western Antarctic Peninsula |  | | Journal (article/letter/editorial) | | accretionary belts, and rifts developing in the range of Precambrian and Phanerozoic structures. An opportunity...taking into account thermodynamic data for the enstatite āferrosilite series in a quasichemical model for...from experimental data in the MAS system in the range of 10 ā40 kbar at 1000ā 1600 jC (MacGregor, 1974;...China, southeastern Australia, South America, and Hawaii and Malaita Islands (Fig. 2) are presented. They...the basement of the Arctic platform on Somerset Island), Archaean (the Limpopo belt) and Proterozoic |  | | Journal (article/letter/editorial) | | several hundred samples from Western Europe and Hawaii with references to other areas. Consequently, it...lherzolite xenoliths mainly from Western Europe and Hawaii leads to a classification of three representative...in a harzburgitic paragenesis with high Al-Ca enstatite or alternatively in a high-Al pigeonitebearing...second area investigated for xenoliths was Hawaii (mainly Oahu and Kauai), from which two hundred samples...fabrics of the upper-mantle peridotites, in the depth range 40-100 km where the alkali basalts are presumed |  | | Journal (article/letter/editorial) | | several hundred samples from Western Europe and Hawaii with references to other areas. Consequently, it...lherzolite xenoliths mainly from Western Europe and Hawaii leads to a classification of three representative...in a harzburgitic paragenesis with high Al-Ca enstatite or alternatively in a high-Al pigeonitebearing...second area investigated for xenoliths was Hawaii (mainly Oahu and Kauai), from which two hundred samples...fabrics of the upper-mantle peridotites, in the depth range 40-100 km where the alkali basalts are presumed |  | Mattielli, N., Weis, D., GrĆ©goire, M., Mennessier, J.P., Cottin, J.Y., Giret, A. (1996) Kerguelen basic and ultrabasic xenoliths: Evidence for long-lived Kerguelen hotspot activity. Lithos, 37 (2) 261-280 doi:10.1016/0024-4937(95)00040-2 | Journal (article/letter/editorial) | | the other hand suggest a similarity between the Hawaii-type midplate volcanic structure and that of Kerguelen...main minerals are Al-diopside (mg * > 73.5), enstatite (mg * > 70.51, Al-spine1 (mg * > 54), plagioclase...oor Iherzolites, as reflected by a larger mg * range (86-91), and Al,O, (0.15-1.91 wt.%) and CaO (0.34-1...comparable to those of the clinopyroxenes from Hawaii (Kaau, Pali and Kalihi; Salt Lake Crater) spine1 lherzolites...Kerguelen Archipelago volcanic rocks include: Foch Island tholeiitic basalts (White and Hofman, 1982); Basaltic |  | | Report (volume) | | of November 4________________________ The south Hawaii earthquakes of March and April____________ Tilting...________ Brief history of activity in Kilauea caldera.________________ Narrative of the eruption____...tremor recorded on July 25. Page Figure 1. Map of Hawaii, showing location of seismograph stations and heights...southeastern Hawaii, showing earthquake epicenters and the submarine shield volcano south of Hawaii ______________...at seismograph stations on the rim of Kilauea caldera during 1952____________________________________ |  | | Journal (article/letter/editorial) | | the subcontinental lithospheric mantle underlying Pali Aike volcanic field, southern South America Jian...xenoliths that were brought to the surface by Quaternary Pali Aike alkali basalts in the southernmost of the Patagonian...University of Colorado, Boulder, CO, 80309-0399, USA e-mail: Charles.Stern@colorado.edu these elements...in these mantle samples, the secondary Opx in the Pali Aike xenoliths contains relatively high Ti and Al...orthopyroxenites from Quaternary alkali basalts in the Pali Aike area, southern South America (Fig. 1). These |  | Rodriguez-Vargas, A., Koester, E., Mallmann, G., ConceiĆ§Ć£o, R.V., Kawashita, K., Weber, M.B.I. (2005) Mantle diversity beneath the Colombian Andes, Northern Volcanic Zone: Constraints from Sr and Nd isotopes. Lithos, 82 (3) 471-484 doi:10.1016/j.lithos.2004.09.027 | Journal (article/letter/editorial) | | up of successively accreted terranes and oceanic island arc sequences from Palaeozoic to Miocene (McCourt...xenoliths are restricted to a few localities (e.g. Pali Aike, Stern et al., 1999; Praguaniyeu, Ntaflos et...Mercaderes, (b) Praguaniyeu, (c) Gobernador Gregores, (d) Pali Aike (modified from Ramos, 1999). et al., 2002)...pyroxenes (in general, Cr-endiopside [cpx] and enstatite [opx]), garnet (b5 mm, Cr-pyrope), and minor olivine...comprise pyroxenes (in general, Cr-endiopside and enstatite) showing protogranular textures, following the |  | | Journal (article/letter/editorial) | | at the chlorite-out boundary over this pressure range, which is within 20Ā°C of the H2Osaturated melting...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...separated from a garnet lherzolite xenolith found in Pali-Aike, Patagonia (Stern et al. 1989; Koga et al....671 H&Z ? H2O H&Z natural Pali-Aike xenolith mineralsa Olivine a Pali-Aike mineral analyses are from |  | Bhanot, K.K., Downes, H., Petrone, C.M., Humphreys-Williams, E., Clark, B. (2020) Micro-CT investigation of garnet-spinel clusters in mantle peridotite xenoliths. Lithos, 352. 105250 doi:10.1016/j.lithos.2019.105250 | Journal (article/letter/editorial) | | mantle xenoliths from two wellknown localities, Pali-Aike (Patagonia) and Vitim (Siberia). We used micro-CT...xenoliths from two well- 12 known localities, Pali-Aike (Patagonia) and Vitim (Siberia). We used micro-CT...localities: Pali-Aike (PA) in 48 South America, and Vitim (VI) in eastern Russia. The Pali-Aike volcanic...and Antarctic plates (Skewes and Stern 1979). The Pali-Aike host 51 basalts are alkali-olivine basalts...Textures and petrology of mantle xenoliths from Pali-Aike have been previously studied by Skewes and |
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