 | | Report (chapter) | | evaluation of local provenance from the Río San Juan Complex HANS-PETER SCHERTL1,2*, WALTER V. MARESCH1...Edificio Naco 2000, Suite 804, Santo Domingo, Dominican Republic 6 Universidad de Puerto Rico, Recinto de...Playa Grande on the northern coast of the Dominican Republic is particularly significant because it yielded...area of serpentinite mélanges in the nearby Río San Juan Complex (RSJC). A suite of nine artefacts was chosen...jadeitite has traditionally been affiliated with the complex civilizations of SE Asia and Mesoamerica and Central |  | Escuder-Viruete, Javier, Valverde-Vaquero, Pablo, Rojas-Agramonte, Yamirka, Gabites, Janet, Castillo-Carrión, Mercedes, Pérez-Estaún, Andrés (2013) Timing of deformational events in the Río San Juan complex: Implications for the tectonic controls on the exhumation of high-P rocks in the northern Caribbean subduction–accretionary prism. Lithos, 177. 416-435 doi:10.1016/j.lithos.2013.07.006 | Journal (article/letter/editorial) | | com/locate/lithos Timing of deformational events in the Río San Juan complex: Implications for the tectonic controls...12 July 2013 Keywords: Subduction Accretionary complex High-pressure metamorphism U–Pb and 40Ar/39Ar geochronology...the exhumation of the high-P rocks of the Río San Juan complex in the northern Caribbean subduction–accretionary...ry wedge. In the main structural units of the complex, microtextural analyses were performed to identify...blueschist/greenschist-facies conditions. U–Pb SHRIMP dating on zircon rims (71.3 ± 0.7 Ma) coupled with 40Ar–39Ar analyses |  | | Journal (article/letter/editorial) | | the northern Caribbean subduction–accretionary complex: Insights from the structural geology, microtextures...Caribbean plate a b s t r a c t The Río San Juan metamorphic complex exposes a segment of a high-pressure...high-pressure subduction–accretionary complex built during convergence between the Caribbean island arc and the...the structural evolution. In all units of the complex, three major stages (M1 to M3) in the tectonothermal...metamorphism in the lower structural units of the complex during a consistent D2 top-to-the-NE/ENE tectonic |  | Escuder-Viruete, Javier, Friedman, Richard, Castillo-Carrión, Mercedes, Jabites, Janet, Pérez-Estaún, Andrés (2011) Origin and significance of the ophiolitic high-P mélanges in the northern Caribbean convergent margin: Insights from the geochemistry and large-scale structure of the Río San Juan metamorphic complex. Lithos, 127 (3) 483-504 doi:10.1016/j.lithos.2011.09.015 | Journal (article/letter/editorial) | | geochemistry and large-scale structure of the Río San Juan metamorphic complex Javier Escuder-Viruete a,⁎, Richard...Caribbean plate a b s t r a c t The Río San Juan metamorphic complex exposes a segment of a high-pressure...geochemical data show that the northern half of the complex is composed of arc- and oceanic-derived units,...exposed in the high-P mélanges of the northern Dominican Republic are exceedingly small. Nevertheless, the...the Jagua Clara mélange exposed in the Río San Juan complex has also attracted attention, due to excellent |  | | Journal (article/letter/editorial) | | basalts in the Puerto Plata ophiolitic complex, Dominican Republic: Implications for the birth of the Caribbean...t The Lower Cretaceous Puerto Plata ophiolitic complex (PPC) occurs west of the main collisional suture...and North American plates in the northern Dominican Republic, and imposes important constraints on the...volcanic rocks of the Los Ranchos Fm and Cacheal complex have comparable IAT geochemical and isotopic signatures...Antilles orogenic belt. The Puerto Plata ophiolitic complex (PPC) occupies a key position in the Hispaniola |  | Torró, Lisard, Proenza, Joaquín A., Rojas-Agramonte, Yamirka, Garcia-Casco, Antonio, Yang, Jin-Hui, Yang, Yue-Heng (2018) Recycling in the subduction factory: Archaean to Permian zircons in the oceanic Cretaceous Caribbean island-arc (Hispaniola) Gondwana Research, 54. 23-37 doi:10.1016/j.gr.2017.09.010 | Journal (article/letter/editorial) | | oceanic crust into the mantle at subduction zones. Zircon, because of its exceptional robustness, is probably...Albian-Aptian arc-related igneous rocks from the Dominican Republic. The O and Hf systematics of Cretaceous zircons...suggest that arc magmas picked up the inherited zircon cargo from their mantle sources. Accounting paleogeographic...and/or Pacific slabs. Republic AC 1. Introduction CE Keywords: inherited zircon, crustal recycling,... subduction zone, Caribbean island-arc, Dominican Volcanic arcs are sites of intense magmatism and the |  | Flores, Kennet E., Martens, Uwe C., Harlow, George E., Brueckner, Hannes K., Pearson, Norman J. (2013) Jadeitite formed during subduction: In situ zircon geochronology constraints from two different tectonic events within the Guatemala Suture Zone. Earth and Planetary Science Letters, 371. 67-81 doi:10.1016/j.epsl.2013.04.015 | Journal (article/letter/editorial) | | com/locate/epsl Jadeitite formed during subduction: In situ zircon geochronology constraints from two different tectonic...subject needing further attention. Over 80 in situ zircon crystals from three jadeitites and two mica–albite...crystallization. The SHRIMP-RG and LAM-ICP-MS U–Pb dates from zircon indicate that jadeitites and mica–albite rocks...ultramafic complex in the Polar Urals (Russia) and the serpentinite mélanges of the Río San Juan complex (Dominican...(Dominican Republic). The data argue for formation of jadeitite within the mantle wedge during active subduction |  | Torró, Lisard, Proenza, Joaquín A., Marchesi, Claudio, Garcia-Casco, Antonio, Lewis, John F. (2017) Petrogenesis of meta-volcanic rocks from the Maimón Formation (Dominican Republic): Geochemical record of the nascent Greater Antilles paleo-arc. Lithos, 278. 255-273 doi:10.1016/j.lithos.2017.01.031 | Journal (article/letter/editorial) | | meta-volcanic rocks from the Maimón Formation (Dominican Republic): Geochemical record of the nascent Greater...meta-volcanic rocks from the Maimón Formation (Dominican Republic): Geochemical record of the nascent Greater...meta-volcanic rocks from the Maimón Formation (Dominican Republic): Geochemical record of the nascent Greater...located in the Cordillera Central of the T Dominican Republic, are some of the earliest products of the...the core of the Cordillera Central of the Dominican Republic, the Maimón Formation (Fm.) is one of the |  | Lázaro, C., García-Casco, A., Blanco-Quintero, I.F., Rojas-Agramonte, Y., Corsini, M., Proenza, J.A. (2015) Did the Turonian–Coniacian plume pulse trigger subduction initiation in the Northern Caribbean? Constraints from 40Ar/39Ar dating of the Moa-Baracoa metamorphic sole (eastern Cuba) International Geology Review, 57 (5) 919-942 doi:10.1080/00206814.2014.924037 | Journal (article/letter/editorial) | | et al. (2013). The Güira de Jauco Amphibolite Complex (GJAC, eastern Cuba; Figure 2) was recently proposed...Güira de Jauco Amphibolite Complex (based on the Geologic Map of the Republic of Cuba, scale 1:100, 000...cross-section of the Güira de Jauco Amphibolite Complex and adjacent complexes, as indicated in (c). Tertiary...2009; Blanco-Quintero et al. 2010). SHRIMP U-Pb zircon dating of the tonalitictrondhjemitic rocks yields...at 1.5 GPa, approximately 550ºC, and yield U–Pb zircon SHRIMP ages of ca. 108 Ma (Cárdenas-Párraga et |  | Hertwig, Andreas, McClelland, William C., Kitajima, Kouki, Schertl, Hans-Peter, Maresch, Walter V., Stanek, Klaus, Valley, John W., Sergeev, Sergey A. (2016) Inherited igneous zircons in jadeitite predate high-pressure metamorphism and jadeitite formation in the Jagua Clara serpentinite mélange of the Rio San Juan Complex (Dominican Republic) Contributions to Mineralogy and Petrology, 171 (5) doi:10.1007/s00410-016-1256-6 | Journal (article/letter/editorial) | | serpentinite mélange of the Rio San Juan Complex (Dominican Republic) Andreas Hertwig1,2 · William C...Berlin Heidelberg 2016 Abstract This study utilizes zircon SIMS U–Pb dating, REE and trace-element analysis...analysis as well as oxygen isotope ratios of zircon to distinguish jadeite-rich rocks that formed by direct...products of a metasomatic replacement process. Zircon was separated from a concordant jadeitite layer...the northern Dominican Republic. In the concordant jadeitite layer, three groups of zircon domains were |  | Cárdenas-Párraga, J., García-Casco, A., Proenza, J. A., Harlow, G. E., Blanco-Quintero, I. F., Lázaro, C., Villanova-de-Benavent, Cristina, Núñez Cambra, K. (2017) Trace-element geochemistry of transform-fault serpentinite in high-pressure subduction mélanges (eastern Cuba): implications for subduction initiation. International Geology Review, 59 (16) 2041-2064 doi:10.1080/00206814.2017.1308843 | Journal (article/letter/editorial) | | Colombia; fInstituto de Geología y Paleontología, San Miguel del Padrón, Cuba ABSTRACT ARTICLE HISTORY...(North America; e.g. Ernst 2016), Río San Juan (the Dominican Republic; Krebs et al. 2008, 2011), and the...al. 2015; Li et al. 2015). As a result of this complex evolving scenario, serpentinites exhumed in suture...subduction initiation basaltic magmatism in the Dominican Republic), likely in a transform-fault plate boundary...(2015) identified the Guira de Jauco amphibolite complex (650–665°C and 8.5–8.7 kbar) as the metamorphic |  | Lázaro, Concepción, Blanco-Quintero, Idael F., Proenza, Joaquin A., Rojas-Agramonte, Yamirka, Neubauer, Franz, Núñez-Cambra, Kenya, Garcia-Casco, Antonio (2016) Petrogenesis and 40Ar/39Ar dating of proto-forearc crust in the Early Cretaceous Caribbean arc: The La Tinta mélange (eastern Cuba) and its easterly correlation in Hispaniola. International Geology Review, 58 (8) 1020-1040 doi:10.1080/00206814.2015.1118647 | Journal (article/letter/editorial) | | Tinta mélange (based on the Geologic Map of the Republic of Cuba, scale 1:100000, sheet 5376, Instituto...2011a; 2013a, 2013b; for similar findings in the Río San Juan mélange, Hispaniola). However, Early Cretaceous...of the latter, the Güira de Jauco Amphibolite Complex, GJAC), Early to Late Cretaceous volcanic arc sequences...2015). Lázaro et al. (2015) suggested that this complex formed during the inception of a new SW-dipping...volcanic arc of the Caribbean (Figure 1; the Purial complex) underwent HP metamorphism (Boiteau et al. 1972; |  | | Journal (article/letter/editorial) | | serpentinite mélange of the Rio San Juan Complex, Dominican Republic. The mélange represents a fossil...subduction channel of the Rio operation. CE San Juan intra-oceanic subduction zone at at 30 - 50 km...our study area of the Rio San Juan Complex (RSJC) of the Dominican Republic, where samples can be found...Fukuyama, 2015; Meng et al. 2016) have concentrated on zircon found in jadeitites and jadeite-rich rocks, not...not only for U/Pb dating, but to characterize zircon origin via trace-element, MA oxygen-isotope and |  | Escuder-Viruete, Javier, Andjić, Goran, Baumgartner-Mora, Claudia, Baumgartner, Peter O., Castillo-Carrión, Mercedes, Gabites, Janet (2019) Origin and geodynamic significance of the Siuna Serpentinite Mélange, Northeast Nicaragua: Insights from the large-scale structure, petrology and geochemistry of the ultramafic blocks. Lithos, 340. 1-19 doi:10.1016/j.lithos.2019.05.002 | Journal (article/letter/editorial) | | complexes crop out in the northern coast of the Dominican Republic (Abbott and Draper, RI PT 2013; Escuder-Viruete...late Jurassic-early Cretaceous subduction-related complex that contains diverse blocks of igneous or sedimentary...including parts of the Caribbean Large Igneous Province (CLIP). Therefore, the northern Chortis block...lower mélange includes the Santa Rosa accretionary complex built up of stacks of several oceanic MA tectonic...those in the Cpx-rich harzburgites of the Rio San Juan complex and to the most depleted Cpx-rich harzburgites |  | | Journal (article/letter/editorial) | | pre-130 Ma HP/LT mélanges in Nicaragua (Siuna complex, 139 Ma 40 Ar/39 Ar) and in Guatemala both north...data (Fu et al. 2009), where refractory garnet or zircon helps to preserve age information on peak or near-peak...(e.g. from Sm–Nd, Lu– Hf techniques or from U–Pb zircon dating on anatectic melts in subducted oceanic...subduction initiation in eastern Cuba of 119 Ma based on zircon ages in trondhjemite of anatectic origin. Maresch...trace element concentrations suggests that some zircon in jadeitite is inherited, perhaps from an igneous |  | | Journal (article/letter/editorial) | | Tremolite Ca2 (Mg,Fe)5 Si8 O22 (OH)2 — Zrn Zircon ZrSiO4 — www.annualreviews.org • Jadeitites...manner, the Rı́o San Juan complex jadeitites led to the sourcing of many Dominican Republic jades (Knippenberg...have been tracked to the Monviso metaophiolite complex, western Italian Alps, Italy (e.g., Compagnoni...Arroyo Sabana and Jagua Clara mélanges in the Dominican Republic (Draper et al. 1991, Schertl et al. 2012)...R Sierra del Convento, Cubac Rı́o San Juan complex, Dominican Republicd www.annualreviews.org • Jadeitites |  | | Report (chapter) | | phengite-bearing blueschists. A major ultramafic complex, composed of strongly serpentinized peridotite...serpentinized peridotite complex is pelitic, mafic and subordinate magnesian schists, the ‘Complex Crystalline Schists’...schist units and the serpentinized peridotite complex are probably tectonic, but the contacts are mostly...in the Tawmaw area: serpentinized peridotite; complex crystalline schists; Tertiary sandstones; Uru boulder...most extensive unit in the Tawmaw area, after the complex crystalline schists, is serpentinized peridotite |  | | Journal (article/letter/editorial) | | eclogite and associated metapelite from the Chuacús complex (Guatemala Suture Zone): constraints from phase...title: High-pressure evolution of the Chuacús complex Corresponding author mail id :- maldonadovr@gmail...lenses, abundant metapelitic rocks in the Chuacús complex (Guatemala Suture Zone) also preserve evidence...amphibolite-facies stage. Concordant U-Pb LA-ICP-MS zircon data from the pelitic schist, in contrast, yield...an amphibolite-facies overprint. Protolith U-Pb zircon ages of 167.1 ± 4.2 Ma and 424.6 ± 5.0 Ma from |  | | Journal (article/letter/editorial) | | situ rutile thermochronology, as well as detrital zircon geochronology and thermal diffusion modeling, we...extrusion or in a plate boundary zone metamorphic core complex. Our study demonstrates that micro-analytical techniques...thermochronology, thermal diffusion modeling and detrital zircon U–Pb geochronology methods. The results constrain...complimentary constraints to conventional heavy mineral and zircon provenance analyses to characterize eroded suture...garnet + clinopyroxene + rutile ± apatite ± quartz ± zircon (e.g. Fig. 2, Table 1). Rutile is 20–100 μm in |  | | Journal (issue) | | internal laser markings • Dyed non-nacreous pearls • Zircon with unusual color-change behavior 268 G&G Micro-World...Prague, Czech Republic Bangkok, Thailand Timothy Adams Dorrit Jacob Karl Schmetzer San Diego, California... Mary L. Johnson Guanghai Shi Washington, DC San Diego, California Beijing, China Alan T. Collins...manufactured glass to imitate star sapphire, and zircon with unusual color-change behavior when viewed...natural pearls previously studied, or they contained complex overlapping features that do not conform to the |
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