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| SOCIETY OF AMERICA APRTL, 1936 No.4 MOORE COUNTY. NORTH CAROLINA. METEORITEA NEW EUCRITE E. P. HBNoBnsoN... AND Hannv T. Devrs. North Carolina Slate Museum. INrnooucrroN This meteorite fell April 21, 1913, at... Iocated about 3 miles east of Carthage,Moore County, North Carolina,longitude 79" 23'W.,latitude 35o...Graves had this specimen taken to his store in Carthage where it was displayed for several days and then...of both the records of the fall and also the meteorite. The day of the fall, April 21, 1913,was partly |
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| JULY-AUGUST, 1969 EXSOLUTION OF AUGITE IN PIGEONITE Noeuo Monrlroro .q.NnMasayasu Toroxllrt Institwte...Universit"t.Suita. Jaban. ABSTRACT Pigeonite crystals from the Moore County meteorite shorv oriented exsolutions...the basis of the changes of the cell dimensions Pigeonite crystals from the Skaergaard intrusion were also...which is not perfectly parallel to (001) of the pigeonite, and shows its intrinsic cell dimensions free... This strongly suggests that pigeonite from the Moore County meteorite represents an intermediate stage |
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| THE MOORE COUNTY METEORITE: A FURTHER STUDY WITH COMMENT ON ITS PRIMORDIAI, ENVIRONMENT II. H. Hnss ...x Ll. S. I{ational Museum. ABsrRAcr The Moore County meteorite in bulk composition resembles a Sudbury...present were initially probably a single phase, pigeonite. This has undergone a complicated series of changes...environment was approximately 1135" C. and that the meteorite lef t this environment with catastrophic suddenness...suddenness. Investigation of the fabric of the meteorite indicates a dimensional orientation of the plagioclase |
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| computed the cooling rate and burial depth of the Moore County cumulate eucrite on the basis of Ca compositional...parent body. Our calculations show that: (1) Moore County cooled initially at a rate of 0.00016°C/yr,... probably due to an impact, and finally (3) Moore County cooled down again at a rate of 0.35°C/yr. The...excavation of crustal material. The burial depth of Moore County is consistent with the result of a recent spectral...excavation of deep crustal material) of the Moore County cumulate eucrite by numerically solving the |
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| Copyright 0 1997Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/97$17.00 + .OO Pergamon...Washington University, St. Louis, Missouri 63130, USA (Received April 3, 1996; accepted in revised form...plagioclase of two cumulate eucrites Moama and Moore County in order to reevaluate the relationships between...and trace and minor element concentrations in Moore County are higher than in Moama. Although subsolidus...of these minerals. Both pigeonite and plagioclase of Moama and Moore County have higher LREE/HREE ratios |
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| (1997) 0 Meteoritical Society, 1997. Printed in USA. The parent magmas of the cumulate eucrites: A mass...Bay Area Boulevard, Houston, Texas 77058-1 113, USA Author's e-mail address: treirnan@lpi.jsc.nasa.gov...cumulate eucrites as adcumulates of plagioclase f pigeonite only; both approaches have been criticized as...Here, mass balance including magma + equilibrium pigeonite + equilibrium plagioclase is used to test a simple...(WE). The cumulate eucrites Serra de Mage and Moore County are consistent, in both REE and major elements |
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| Ltd. Printed in Northern Ireland The Bununu meteorite, and a discussion of the pyroxene-plagioclase...(Received 27 .~Iay 1966) Abstract--The Bununu meteorite, a pyroxene--plagioclase achondrite (howardite)...0.04, H~O+ 1.53, H 2 0 - 0.12, sum 99.81. The meteorite is made up almost entirely of pyroxene and plagioclase...u n u n u mission station, some 20 miles to the north, a n d the Roy. C. F. Beitzel a n d a n o t h e...component. The clinopyroxene is a pale yellow-brown pigeonite, and does not show such a wide range in composition |
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| Printed inGreatBritain Quench temperatures of Moore County and other eucrites : residence time on eucrite...electron probe investigation of the eucrite Moore County. Moore County consists predominantly of four pyroxene...apatite. Temperatures have been computed for Moore County and other eucrites using three independent techniques...with the conclusions of earlier workers that Moore County was catastrophically removed from its cumulate...results are consistent with the conclusion that Moore County resided for an extended period of time on the |
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| University of New Mexico, Albuquerque, NM 87131-1126, USA (Received May 26, 1994; accepted in revised form...determined between low Ca- mad high-Ca pyroxenes from Moore County, Binda, Serra de Mag6, and Moama. Equilibrium...under similar conditions in their parent body. Moore County has much higher trace-element concentrations...pyroxene hosts and lamellae. Using the recombined pigeonite REE abundances of the cumulates and appropriate...on several cumulate eucrites, Serra de Mag6, Moore County, Moama, and Binda (Hess and Hen- ANALYTICAL |
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| symmetrical zone. I n describing the Johnstown meteorite, E. 0. Hovey (1925) gives some data and an analysis...suggested the presence of clinoenstatite in a meteorite along with enstatite on the basis of oblique extinction...Barth (1931) uses the terms 'clinoeustatite' and 'pigeonite' indiscriminately, while G. T. Prior (1920) proposed... and' clinoferrosilite' quite separate from' pigeonite' or ' enstatite-augite'. Very few reliable analyses...h e ' pigeonite B' of E. P. Henderson and H. T. Davies (1936) from the Moore County meteorite. Its greater |
 | Harlow, George E., Nehru, C.E., Prinz, Martin, Taylor, G. Jeffrey, Keil, Klaus (1979) Pyroxenes in Serra de Magé: cooling history in comparison with Moama and Moore County. Earth and Planetary Science Letters, 43 (2) 173-181 doi:10.1016/0012-821x(79)90200-0 | Journal (article/letter/editorial) |
| COOLING HISTORY IN COMPARISON WITH MOAMA AND MOORE COUNTY GEORGE E. HARLOW ‘, C.E. NEHRU ’ .?, MARTIN...and Kintoki-San types, indicating an original pigeonite pyroxene with a bulk composition Ensr FsaaWoro...to those of initial pigeonites in Moama and Moore County but the augite-hypersthene tie line is longer...de Mage. 1. Introduction The Serra de Mage, Moore County and Moama meteorites are the only identified...mineralogy consisting of plagioclase and pyroxene. Moore County and Moama have been studied in some detail [l-3] |
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| Mail Code C23. 2400 Nasa Road I. Houston. TX 77058, USA (Received August 17, 1989; accepted in revisedfhn...magmatic phase (i.e., they are pigeonite-augite basalts, while eucrites are pigeonite basalts) and contain on... Mittlefehldt I lhh Table 1. Summary of meteorite Mesasiderites Clover Sprinysl Crab Orchard Crab...trid~rmtc in the i ini Hadid gabbro compared to Moore County show ihat the pawni melt for the Urn Hadid gabbro... l hese euhedral inclusions of tridymite in Moore County are most COINING in the margins of pyroxene |
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| temperaturedependency of Ca atomic diffusioncoefficientin pigeonite and the temperature-timevariationsat a givendepth...observedwidth of lamellae for the bulk Ca content of pigeonite. For a proposed achondrite parent body of 1,000km...estimated for Moama is 12km below the surface, Moore County 9km, Juvinas 1.7km and Mt. Padbury 0.5km. The...history, the width of the augite lamellae in pigeonite has not been utilized to derive the absolute cooling...the width of exsolution lamellae of augite in pigeonite. Our approach is based on certain assumptions |
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| 2% TiO2 and 10% A1,O3) in the Angra des Reis meteorite, meteoritic OH' .o A M~Z $1206 C . E . ...orthopyroxene in achondrites and mesosiderites; M : pigeonite in achondrites and mesosiderites; N : augite in...specifically between the two pyroxenes. In the Woodbine meteorite the orthopyroxene contains about 3% (by weight)...mechanical deformation, but in the Goalpara and North Haig ureilites individual olivine crystals have...the least-rccrystallized group is the Chainpur meteorite, described in considerable detail by Keil et al |
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| Abstract-Eucrites are extraterrestrial plagioclase-pigeonite basalts. Experimental studies suggest that they...produced by partial melting of an olivine (Fo&pigeonite (Wo,En,,)plagioclase (An,& spinel-metal source...greater (e.g. Sioux County-l 5%) or smaller (e.g. StannernA%) degrees of melting. Moore County and Serra de...techniques. The most thorEUC~TES (plagioclase-pigeonite achondrites) appear oughly studied eucrite, Juvinas...clinopyroxene. The FeO/(FeO + MgO) molar ratio County, and Stannern yield younger “ages” (BIRCK in the |
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| VOL. 54, MAY-JUNE, 1969 DOMAIN STRUCTURE OF PIGEONITE AND CLINOENSTATITE Noruo Monruoro arvoMrsevASUToKoNAvt...Suita, Osaka,Japan. AesrnAct Single crystals of pigeonite and ciinoenstatite from difierent environments...shift of (a-lb) /2 from the contiguous ones For pigeonite from the Isle of Mull, the statistical diameter...refleclions. On the basis oI the crystal structure of pigeonite, the domain structure is considered to be produced...produced by rapid growth of a number of nuclei of pigeonite in a high-temperature phase with monoclinic symmetry |
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| many meaosiderites are oonnidered aa a ooherent meteorite assemblage, their silicates con&t&g essentially...These achon~~s make up approximately 6% of all meteorite falls (HEY, 1966). Many of the general features...(LA CROIX, 1926), Pasamonte (Fo~HA~, 1938), Moore County (HESSand HENDERSON,X949), Stannem (ENQELEARDT...have been applied sinoe the earliest days of meteorite petrography and were formalized by BRWIXA (1994)...Moors county N@@ Nuevo Laredo Padvaminkai Pf#aee3nonte Pemmiho Serra de I&@ Shergotty Sioux County Stannern |
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| obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussed—the great upsurge in meteorite research along many new lines in recent years...and conservation of meteoritic material. Every meteorite is to some degree unique; and meteorites, unlike...I not been favored bv the curatorship of the meteorite collection of The American Museum of Natural History...Chicago Natural History Museum, the Nininger Meteorite Collection (Arizona State University, Tempe), |
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| Washington, Washington, District of Columbia 20015, USA 3 Royal Ontario Museum, Department of Natural History...clasts and no diogenitic material. This large HED meteorite is a regolith breccia (Cartwright et al. 2013)...descriptions of the different components of the meteorite, clasts will be defined as coherent material if...exsolution of high-Ca pyroxene after the original pigeonite inverted to hypersthene, along a different (orthopyroxene)...pyroxene in this clast would be described as Moore County type with thick parallel augite lamellae, rather |
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| Woods Hole Road, Woods Hole, Massachusetts 02543, USA 2 Department of Geology, University of Georgia, 210...210 Field Street, Athens, Georgia 30602, USA *Corresponding author. E-mail: asarafian@whoi.edu (Received...crosscutting silicates. Euhedral apatites in the Moore County cumulate eucrite occur as inclusions in pyroxene...Vesta. INTRODUCTION Eucrites are plagioclase pigeonite meteoritic basalts, gabbros, or gabbroic cumulates...Eucrites Cumulate eucrites 10 K/ K/Th 2000 Moore County 0 = 36 EET 87542 ALH 85001 0.5 EET 90020 |
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| coexisting orthopyroxene, Ca-poor clinopyroxene (pigeonite and ferropigeonite) and Ca-rich clinopyroxene...lamellae. 7: Hornblende. 8: Olivine. 9: Host pigeonite in Moore County achondrite (Morimoto & Tokonami 1969)...host augite-ferroaugite is not known. It may be pigeonite with low Ca-content or clinohypersthene such as...ferrohypersthene in this respect. The AI content of the pigeonite is comparable to that of the augite and ferroaugite...original pigeonite, although AI content is lower. The composition of the augite lamellae in pigeonite should |
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| (1993) 0 Meteoritical Society, 1993. Printed in USA A survey of Rb-Sr systematics of eucrites M. I....with no account taken of the data on the Moore County meteorite that had been considered insufficiently...Sr ratio), and later revised the data on the Moore County (Wasserburg et al., 1969; Papanastassiou and...and Wasserburg suggested that plagioclase from Moore County be used as reference material with the most...Wasserburg, 1972; Wasserburget al., 1977). The Moore County plagioclasewas separated and studied by numerous |
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| (Khairpur), and two eucrites (Haraiya and Hooro County); diopside was separated from the Nakhltb achondrite...elements in each mineral or phase of an individual meteorite. VILCSEK and WLNKE (1965) and SHIMA and HONDA...includes Xxx O-19,Ca @34, Ti 0.07, Cr o.os). 4. Moore County, H&W and ZEKDEEWW, 194% 5. Haraiya, Jarosewich...Khairpur Moore Co. Haraiya Modoc Guareiia Khairpur Moore Co. Haraiya Modoc Guareiia Khairpur Moore Co. Haraiya...Haraiya Modoc Guarefia Khairpur Moore Co. Haraiya Modoc Guareiia Khairpur Moore Co. Haraiyo Ti V Cr Mn |
 | Macdougall, Douglas J., Lal, Devendra, Wilkening, Laurel L., Bhat, Suman G., Liang, Samuel S., Arrhenius, Gustaf, Tamhane, Arvind S. (1971) Techniques for the study of fossil tracks in extraterrestrial and terrestrial samples. I: Methods of high contrast and high resolution study. GEOCHEMICAL JOURNAL, 5 (2) 95-112 doi:10.2343/geochemj.5.95 | Journal (article/letter/editorial) |
| tracks, and the availability of a large number of meteorite and documented lunar samples. The latter exhibit...Silveredtracks in a pyroxene from the Kapoeta meteorite. Track density is 5 X 106cm2. (c) Optically unresolvably...tracks 15 LENGTH showing well-etched in the meteorite, 20 (MICRONS) the length tracks distribution...lengths of neutron induced fission tracks in the meteorite Angra dos Reis. Two types of tracks were selected... i) Tip 1 ii) Tip 1 Pigeonite, Tip Tip Moore Length (microns) 2 2 County et al. i) Tip 1 ii) |
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| Specimen No. 635 !> 32.7 g> Arizona State University Meteorite Collection, Terape, Arizona. Murray carbonaceoxis...was made possible by the existence of excellent meteorite collections at Arizona State University, Tempe...thank Professor Carleton B. Moore, Director of Research, Center for Meteorite Studies at Arizona State...INTRODUCTION ......................... 1 2. THE METEORITE CIASSZS ..................... k Descriptive...Impactites ................... Classification of the Meteorite Breccias ......... Volatile-rich Breccias ... |
