 | | Journal (article/letter/editorial) | | Evidence from jadeitite and related rocks from the Guatemala Suture Zone George E. Harlow, Kennet E. Flores...Evidence from jadeitite and related rocks from the Guatemala Suture Zone, LITHOS (2016), doi: 10.1016/j.lithos...Evidence from jadeitite and related rocks from the Guatemala Suture Zone Department of Earth and Planetary...analyses of jadeitites and related rocks from Guatemala compared with published data on comparable rocks...rocks from other sources. • In jadeitites from Guatemala, signatures of many trace elements resemble those |  | | Report (issue) | | Na(Al; Fe3+ )Si2 O6 Jadeite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic...Co. At Manzanal, in the Motagua Valley, near the Sierra de las Minas, Guatemala. Name: From jade, a material...material commonly containing jadeite, in turn from the Spanish Piedra de yjada, or colic stone, for its...461{481. (3) Wolfe, C.W. (1955) Crystallography of jadeite crystals from near Cloverdale, California. Amer...and C.W. Burnham (1966) The crystal structure of jadeite, NaAlSi2 O6 : Amer. Mineral., 51, 956{975. (5) |  | | Journal (article/letter/editorial) | | evidence from a jadeitite-serpentinite contact, Guatemala 1938-2839 Geology Review, 0020-6814 TIGR International...contacts are generally not exposed. In the Sierra de las Minas, Guatemala, we have studied a 3 m-wide pit transecting...Burma, Russia, Kazakhstan, Japan, California, Guatemala, and the Cyclades (Bröcker and Enders, 2001; Compagnoni...in 1998, when Hurricane Mitch roared through Guatemala at a heavy cost to life and property. Mitch’s...in the rugged mountains of central Guatemala, around the Motagua Fault Zone (Bucknam et al. 2001). This |  | Brueckner, Hannes K., Avé Lallemant, Hans G., Sisson, Virginia B., Harlow, George E., Hemming, Sidney R., Martens, Uwe, Tsujimori, Tatsuki, Sorensen, Sorena S. (2009) Metamorphic reworking of a high pressure–low temperature mélange along the Motagua fault, Guatemala: A record of Neocomian and Maastrichtian transpressional tectonics. Earth and Planetary Science Letters, 284 (1) 228-235 doi:10.1016/j.epsl.2009.04.032 | Journal (article/letter/editorial) | | pressure–low temperature mélange along the Motagua fault, Guatemala: A record of Neocomian and Maastrichtian...oblique collisional tectonics a b s t r a c t The Guatemala suture zone is a major east–west left-lateral...North American and Caribbean plates in Guatemala. The Motagua fault, the central active strand of the...within serpentinites both north and south of the Motagua fault. Lawsonite eclogites south of the fault are...that all serpentinite hosted eclogites along the Motagua fault formed at essentially the same time in different |  | | Journal (article/letter/editorial) | | albitites and related rocks from the Motagua Fault Zone, Guatemala G . E . HARLOW Department of Mineral...NY 10024-5192, USA ABSTRACT Jadeitites from Guatemala are found as weathered blocks in tectonized serpentinite...serpentinite in a 15-km zone north of the Motagua Fault Zone. Rock types found with jadeitite include...reflects depressurization f heating to below the jadeite fluid = analcime reaction at high aNa.With progressive...+ Key words: albitite; Guatemala; jadeite; jadeitite; metasomatism; Motagua Fault Zone; Abbreviations: |  | | Journal (article/letter/editorial) | | rare, very tough rock composed predominantly of jadeite and typically found associated with tectonic blocks...with jadeite content, typically from ∼80 to 100 mol%; all jadeite jades are jadeitites Jadeite jade:...(more than ∼90%) of clinopyroxene of primarily jadeite composition (NaAlSi2 O6 ) Serpentinite: a rock...continental margin via a plate tectonic collision Jadeite (NaAlSi2 O6 ) was recognized early on as an anomaly...unusually high density of this mineral. The socalled jadeite problem was taken up almost simultaneously by Sobolev |  | | Report (issue) | | ————•-——• ———• ———————————————————————————————— 1 Guatemala and Honduras ———————— -———————————— — ————————————...——————————— 49 Cordillera Occident al-Serrania de Baudo ———————————————————— 50 Geophysical surveys...Geologic and simple Bouguer anomaly map of parts of Guatemala and Honduras -——————•—————-———————————————————————————————...——————————————— 9 6 Generalized crustal model across Guatemala ————————————————————— 11 .7 Simple Bouguer...Trough — ——— — 41 25 Crustal sections from Isla de Aves to Calabozo ——————————— 42 26 Crustal models |  | | Journal (issue) | | carving highlight the exquisitely carved central jadeite. (Lizzadro Museum specimen) 10 www.rockngem.com...this exhibit of beautifully carved Qing dynasty jadeite objet dÕart. or rockhounds, the place to visit...fall under the blanket term “jade”: nephrite and jadeite. Even within these two forms of jade—especially...nephrite, but impurities can affect color changes. Jadeite is a single species—sodium aluminum silicate—but...forms from high temperatures and pressure, while jadeite forms under equally high pressure, but relatively |  | | Journal (article/letter/editorial) | | associated metapelite from the Chuacús complex (Guatemala Suture Zone): constraints from phase equilibria...Luigi A. Solari3 1 Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria...Departamento de Geología, Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera...Ensenada B.C., Mexico 3 Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla...abundant metapelitic rocks in the Chuacús complex (Guatemala Suture Zone) also preserve evidence for high-pressure |  | | Journal (article/letter/editorial) | | J. MORÁN-ZENTENO Instituto de Geología, Universidad Nacional Autónoma de México, 04510 México D.F., México...sediments that cross the projected trace of the Motagua fault zone in the Gulf of Tehuantepec, minimal...arc; and (c) sinistral strike-slip faulting in the Sierra Madre del Sur. This contrasts with the region north...arc in the Gulf of Tehuantepec and neighboring Guatemala. Introduction PLATE TECTONICS provides a powerful...transform faults and the Acapulco Trench through the Motagua fault zone, and juxtaposing the Chortis block against |  | | Report (chapter) | | North American-Caribbean Plate boundary in Mexico-Guatemala-Honduras Lothar Ratschbacher, Leander Franz, Myo...American – Caribbean Plate boundary in Mexico – Guatemala –Honduras LOTHAR RATSCHBACHER1*, LEANDER FRANZ1...the North American –Caribbean Plate boundary in Guatemala and Honduras accommodated the large-scale sinistral...the overriding Greater Antilles arc complex. The Las Ovejas complex of the northern Chortı́s Block contains...part of the Chortı́s Blocks, and the Polochic, Motagua and Jocotán–Chamelecón fault zones along the |  | | Journal (article/letter/editorial) | | old. When the Spanish explorOn the other hand, jadeite is a pyroxers reached the coast of Mexico in the...greatly valued a green stone. The NaAl(Si0 3 ) 2 . Jadeite is close to two natives made ornaments, figurines...isomornecks or powdered it to form a medica- phic with jadeite. They may form more tion were protected from pains...continuous series with jadeite. flank or side over the kidney or from When jadeite contains considerable...amounts of acmite, chloromelanite — the stone piedra de yjada (stone for the (NaAlFe)Si 12 0 6 — is formed |  | | Report (issue) | | Fernando Ortega-Gutiérrez Instituto de Geologia Universidad Nacional Auténoma de México, Apartado 70-296 México...Thierry Calmus, Alejandro Carrillo-Chavez, Zoltan de Cserna, Ray Ethington, Gordon Gastil, Roger Griffith...of Mexico sequence) and Cenozoic volcanic rocks (Sierra Madre Occidental and Trans-Mexican Volcanic Belt)...mapped at scales of 1:250,000, and 1:50,000 (see de Cserna, 1989), and an eight-sheet 1:1,000,000 geologic...1980 by Secretaria de Programacién y Presupuesta (SPP), now called Instituto Nacional de Estadistica Geografia |  | | Journal (issue) | | Gundinmarca, Colombia, is a new emerald mine, Las Vegas de San J u a n , or as locally known, the Gachala...identifies the Aztec gemstone chalchihuitl with jadeite or closely allied minerals, and gives news of a...recently discovered occurrence of jadeite in the Montagua valley of Guatemala, close to the serpentine area...area of the Sierra de las Minas. There is considerable evidence that this was a source for some of the jade...find of jadeite are not available to the English reader. As in other occurrences of jadeite, it is associated |  | | Report (issue) | | Roermund, H.L.M., Drury, M.J., Barnhoorn, A., and de Ronde, A.A., 2000, Super-silicic garnet microstructures...L., Allen, C.M., Davis, D.W., Aleinikoff, J.N., Valley, J.W., Mundil, R., Campbell, I.H., Korsch, R.J...773. Puga, E., Fanning, C.M., Nieto, J.M., and Díaz de Federico, A., 2005, Recrystallization textures in...indicates heating during growth. Omphacite has jadeite contents of 28–44 mol% with variable and irregular...highest Si content, and omphacite with the highest jadeite component were considered to reflect maximum pressure |  | | Report (chapter) | | Spindle-shaped pull-apart Active Quaternary Cantil Valley composite pullapart basin; Koehn Lake Basin Clonard...– L. Quaternary Neogene – L. Quaternary San Juan de Villalobos – Yunguillo Basin Siabu Basin Siqueiros...pull-apart Active Active Cenozoic Quaternary Cerro de la Mica Clear Lake Chile USA (California) Atacama... Plio – Quaternary Miocene – Quaternary Death Valley Basin USA (California) 30 Lazy-Z pull-apart...Quaternary Southern Death Valley; Fish Lake Valley– Northern Death Valley – Furnace Creek Alpine Barka |  | | Book | | ©1992 National Museum of Costa Rica, Editorial Escudo de Oro, S.A. (Calvo Mora, Bonilla Vargas, and Sánchez...Calima Early Quimbaya Late Quimbaya Middle Cauca Valley Pueblo Viejo Ferrería Pueblo Viejo Late Period...Pintada Malibú Complejo Las Palmas Modern Late Muisca Sinú Muisca La Sierra ? Malambo Midde Formative...Lower Magdalena Malambo Neguanje Tairona Sierra Nevada de Santa Marta Early Period La Loma El Horno...archaeology of Costa Rica, especially the Central Valley and Atlantic Watershed zones. In their contribution |  | | Book (volume) | | Company of El Paso, Texas. Information on the Virgin Valley opal deposits was given by G. Keith Hodson of Scottsdale...account of the agates found in the Mississippi Valley was provided by Irving W. Hurlbut of Muscatine...Olivine, Turquois, Variscite, Jade (Nephrite and Jadeite), Rhodonite, Idocrase (Vesuvianite), The Garnet...Drawing of Ramona Topaz crystal . View of Virgin Valley . An opal digging XI List of Illustrations ... A good example of a crystalline aggregate is jadeite which consists of millions of small crystal grains |  | | Book (edition) | | production of the second edition. Thanks, too, to De Beers Consolidated Mines Ltd, for the information...new plates have been provided by the courtesy of De Beers xxi Preface to the Second Edition Consolidated...rocks. Figure 1.3 Basaltic lava flow of 1944 in a valley leading down to Naples, Italy. The Monte Somma...least 8 m (26 ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality...14 Alluvial sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated |  | | Journal (article/letter/editorial) | | amphibolite unit (Sorensen and Barton, 1987), the Sierra del Convento mélange in Cuba (García-Casco et al...metasomatic parageneses Jadeitites (rocks rich in jadeite, Na-Al pyroxene) are found in subduction-related...2005; Cárdenas-Párraga et al. 2012). Evidence from jadeite that has been replaced dominantly by MA albite...albite (albitites) in the Sierra de las Minas, Guatemala, suggests subsequent mobility of LILE (K, Rb, Cs...1525-1314.2011.00951.x. PT Angiboust, S., Pettke, T., de Hoog, J.C.M., Caron, B., Oncken, O., 2014b. Channelized |  | | Book | | Salvador—Zapotitán Valley. 4. Volcanic ash, tuff, etc.—El Salvador— Zapotitán Valley. 5. Social archaeology—El...Salvador —Zapotitán Valley. 6. Plant remains (Archaeology)— El Salvador—Zapotitán Valley. 7. Animal remains...(Archaeology)—El Salvador—Zapotitán Valley. 8. Zapotitán Valley (El Salvador)—Antiquities. I. Sheets...and Change in the Contemporary Community of Joya de Cerén 192 Carlos Benjamín Lara M. and Sarah B. Barber...crew of Salvadoran workers from Chalchuapa and Joya de Cerén who have learned such fine excavation and conservation |  | | Book (volume) | | USE USE I-liu ladrang Valley (Vietnam) BT Valleys —Vietnam Drang Valley (Vietnam), Battle of, ...language USE lai language ladrang Valley (Vietnam) USE la Drang Valley (Vietnam) laai (Papua New Guinea...Interstate I-Kiribati language USE la genes Drang Valley (Vietnam) USE USE Kasanga (African people) Ho...USE Ibaigane Palace (Bilbao, Spain) USE Palacio de Ibaigane (Bilbao, Spain) IBAL (Computer program language)...River Valley (Spain) Rivers UF Ibias Valley (Spain) BT Valleys USE — — Ibias River Valley (Spain) |  | | Report (volume) | | Supplementary southwest synonym TVA__.___ Tennessee Valley Authority tab._________ table Tech_____- Technical...^ » ^ ~v T »K " * Academia de ciencias me'dicas, fisicas y naturales de la Habana (Cuba) Anales vols...American Year Books 1933-1938. New York. Annales de pale'ontdlogie tomes 17-23. Paris. Annales des mines...petr61eo vols. 34, 35. Mexico City. Boletfn de petr61eo y minas vols. 1-8. Mexico City. Boletin minero vols...Sharon, Mass. Copenhague University, Museum de mine'ralogie et de geologic, Communications pale"ontologiques |  | | Journal (article/letter/editorial) | | diffusion in the host lattice I. SAADOUNE AND N.H. DE LEEUW Department of Chemistry, University College...Géochimie et Biogéochimie Experimentale, LMTG, Université de Toulouse, CNRS, IRD,OMP. 14 ave. Edouard Belin, F-31400...SAMUEL AND P. J. TACKLEY Instituto Geológico y Minero de España (IGME), Ríos Rosas, 23, 28003 Madrid, Spain...(DO) in the pit lakes of San Telmo (left) and Cueva de la Mora (right). These different models of chemical...MONICA SANCHEZ-ROMAN1, CRISOGONO VASCONCELOS1, ANGELA DE LUCA, REBELLO WAGENER2, MICHAEL PLÖTZE1 AND JUDITH |
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