 | | 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...which essentially consists of an amphibole of the tremolite–actinolite–ferroactinolite solid-solution series |  | 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) | | 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 |  | | 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...ENE-directed folding, thrusting and nappe stacking in the complex, when nappes went sequentially incorporated to...to a growing collisional accretionary complex between the Late Eocene and the earliest Miocene. D2 deformation |  | 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...lizardite, and chlorite, with local minor talc, tremolite, anthophyllite, dolomite, brucite, and relict...(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 |  | 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; |  | 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 |  | 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) | | Titanite CaTiSiO5 Also known as sphene Tr Tremolite Ca2 (Mg,Fe)5 Si8 O22 (OH)2 — Zrn Zircon ZrSiO4...intergrowth of felted amphibole grains, primarily of tremolite [Ca2 (Mg,Fe)5 Si8 O22 (OH)2 ] composition Porphyroblasts:...nephriticus or nephrite [the massive form of tremolite, Ca2 (Mg,Fe)5 Si8 O22 (OH)2 ; Damour 1846]. Both...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 |  | | 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...later, it was discovered that it was made up of tremolite and actinolite so the term ‘jade’ for nephrite...longer used in the mineralogical literature. Tremolite is still in use, whereas ‘ferro-actinolite’ is |  | | 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...samples reveal that mafic precursors in the Chuacús complex originated in multiple tectono-temporal settings...continental margin of the North American plate (Chuacús complex) beneath the Greater Antilles arc occurred during |
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