 | | 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...this component (as in the omphacite common in eclogite), called for high-pressure–low-temperature (HP–LT) |  | | 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...mélange, the counter-clockwise P–T path of the eclogite blocks is typical of rocks exhumed in the early |  | | Journal (article/letter/editorial) | | trench-fill sediments, an accretionary (subduction) complex formed above a SW-dipping subduction zone, or the...ophiolitic complex slab and structurally underlying accreted units of the Rio San Juan complex, as it was...gabbroic rocks from the Puerto Plata ophiolitic complex indicate its exhumation at ∼ 45–40 Ma (lower-to-middle...uplift to the surface and submarine erosion of the complex to be the source of the ophiolitic fragments in...from the neighbouring volcanic arc, subduction complex and continental margin (von Huene and Scholl, 1991; |  | 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 |  | 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...the fabrics formed at peak of metamorphism in eclogite-facies conditions and during the main retrogressive |  | | Journal (article/letter/editorial) | | s Tectonometamorphic evolution of the Samaná complex, northern Hispaniola: Implications for the burial...paths Caribbean plate a b s t r a c t The Samaná complex exposes a segment of a high-P metasedimentary collisional...allow proposing a tectonothermal evolution of the complex involving three major stages (M1 to M3). M1 metamorphism...lower structural nappes) and garnet-blueschists to eclogite-facies conditions (Punta Balandra upper nappe)...ENE-directed folding, thrusting and nappe stacking in the complex, when nappes went sequentially incorporated to |  | Torró, L., Garcia-Casco, A., Proenza, J.A., Blanco-Quintero, I.F., Gutiérrez-Alonso, G., Lewis, J.F. (2016) High-pressure greenschist to blueschist facies transition in the Maimón Formation (Dominican Republic) suggests mid-Cretaceous subduction of the Early Cretaceous Caribbean arc. Lithos, 266. 309-331 doi:10.1016/j.lithos.2016.10.026 | Journal (article/letter/editorial) | | facies transition in the Maimón Formation (Dominican Republic) suggests mid-Cretaceous subduction of the...facies transition in the Maimón Formation (Dominican Republic) suggests midCretaceous subduction of the...facies transition in the Maimón Formation (Dominican Republic) suggests mid-Cretaceous subduction of the...The Maimón Formation (Cordillera Central, Dominican Republic) is formed of metamorphosed bi- T modal...blueschist; HP/LT metamorphism; Maimón Formation; Dominican Republic; Caribbean; volcanic arc. 2 ACCEPTED MANUSCRIPT |  | 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) | | subduction-zone peak metamorphism (e.g., exhumed eclogite), and (b) a second group of ages slightly younger...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...rocks, such as blueschist, garnetamphibolite and eclogite, within serpentinite-matrix mélange. Recent studies...371–372 (2013) 67–81 Magante Ridge, Río San Juan Complex, Dominican Republic, Schertl et al., 2012). Geochronological |  | 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...metamorphosed to greenschist, amphibolite and eclogite-facies conditions. Although the detailed metamorphic...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 |  | 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) | | Albian-Aptian arc-related igneous rocks from the Dominican Republic. The O and Hf systematics of Cretaceous zircons...subducting Proto-Caribbean and/or Pacific slabs. Republic AC 1. Introduction CE Keywords: inherited...recycling, subduction zone, Caribbean island-arc, Dominican Volcanic arcs are sites of intense magmatism...igneous rocks NU from central and eastern Dominican Republic, abundant inherited zircons with a wide spread...rocks hosting the xenocrystic zircons in the Dominican Republic, which belong to the Maimón and Los Ranchos |  | 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...serpentinite-matrix mélange in the northern Dominican Republic. In the concordant jadeitite layer, three...Zircon · Geochronology · Oxygen isotopes · Rio San Juan Complex * Andreas Hertwig andreas.hertwig@rub.de...Guatemala; Sierra del Convento, Cuba; Rio San Juan Complex, Dominican Republic), the CircumPacific region (e.g...processes necessary during metasomatic replacement are complex and hence unlikely to have taken place. Unequivocal |  | | 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...xenocrysts in an otherwise P-type rock. The Rio San Juan Complex of the present study in fact represents a...Guatemala through Cuba SC RI PT towards the Dominican Republic (García-Gasco et al., 2008). The jadeitites |  | 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...Cretaceous, as documented in the nearby Río San Juan mélange, Dominican Republic (Krebs et al. 2008, 2011; Escuder-Viruete...volcanic arc-related Santo Domingo Fm. and Purial complex (Cobiella 1974; Iturralde-Vinent 1976; Quintas |  | 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...hydrated mafic crust, greenschist, blueschist, eclogite, and sediments, promoting large-scale serpentinization...(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 |  | | Journal (article/letter/editorial) | | highpressure/low-temperature metabasaltic rocks (e.g., eclogite, blueschist) in exhumed serpentinite-matrix mélanges...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) | | pre-130 Ma HP/LT mélanges in Nicaragua (Siuna complex, 139 Ma 40 Ar/39 Ar) and in Guatemala both north...HP/LT rocks such as blueschist or low-temperature eclogite. For higher-grade HP/LT rocks, the ages represent...in high-grade HP/LT metamorphic rocks such as eclogite. However, these methods are highly sophisticated...mélange HP occurrences (131–126 Ma and 144–132 on eclogite, respectively, both from Sm–Nd mineral isochrons;...pressure–temperature–time paths from the Río San Juan Complex of Hispaniola (Krebs et al. 2008). Aves |  | | Journal (article/letter/editorial) | | metamorphic evolution of eclogite and associated metapelite from the Chuacús complex (Guatemala Suture Zone):...title: High-pressure evolution of the Chuacús complex Corresponding author mail id :- maldonadovr@gmail...metamorphism. Besides eclogite lenses, abundant metapelitic rocks in the Chuacús complex (Guatemala Suture...constrain the tectono-metamorphic evolution of eclogite and associated metapelite from this area in central...garnet, including kyanite-jadeite-paragonite in an eclogite, and chloritoid-paragonite-rutile in a pelitic |  | | Journal (article/letter/editorial) | | approach for the detrital record: Tracking mm-sized eclogite clasts in the northern Canadian Cordillera Dawn...Available online xxxx Editor: M. Bickle Keywords: eclogite petrochronology rutile U–Pb thermobarometry detrital...contains a ∼300 m thick horizon that includes eclogite clasts possibly sourced from a suture zone. By...micro-analytical techniques to the mm-diameter eclogite clasts, including thermobarometry and in situ...constrain a source-to-sink path for the clasts. The eclogite clasts likely reached peak metamorphic conditions |
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