 | Blanco-Quintero, I.F., Rojas-Agramonte, Y., García-Casco, A., Kröner, A., Mertz, D.F., Lázaro, C., Blanco-Moreno, J., Renne, P.R. (2011) Timing of subduction and exhumation in a subduction channel: Evidence from slab melts from La Corea Mélange (eastern Cuba) Lithos, 127 (1) 86-100 doi:10.1016/j.lithos.2011.08.009 | Journal (article/letter/editorial) | | Evidence from slab melts from La Corea Mélange (eastern Cuba) I.F. Blanco-Quintero a,⁎, Y. Rojas-Agramonte b...Minero-Metalúrgico, Las Coloradas s/n, 83329-Moa, Cuba e Berkeley Geochronology Center, 2455 Ridge Road...the La Corea serpentinite-matrix mélange (eastern Cuba) as centimeter- to meter-sized blocks and as concordant...2008a; Lázaro et al., 2009). In eastern Cuba, the Sierra del Convento and the La Corea mélanges (Fig. 1b)...provided a comprehensive P–T–t path for the Sierra del Convento mélange. The data presented by Lázaro et |  | Lázaro, C., Blanco-Quintero, I.F., Marchesi, C., Bosch, D., Rojas-Agramonte, Y., García-Casco, A. (2011) The imprint of subduction fluids on subducted MORB-derived melts (Sierra del Convento Mélange, Cuba) Lithos, 126 (3) 341-354 doi:10.1016/j.lithos.2011.07.011 | Journal (article/letter/editorial) | | on subducted MORB-derived melts (Sierra del Convento Mélange, Cuba) C. Lázaro a,⁎, I.F. Blanco-Quintero...quartz-muscovite rocks from the Sierra del Convento mélange (eastern Cuba) indicate that Proto-Caribbean...the Ms-free tonalites–trondhjemites from Sierra del Convento, that are interpreted as primary slab melts...idea that partial melting processes in the Sierra del Convento subduction channel were triggered by the...(California) and the Sierra del Convento and La Corea serpentinitic mélanges (eastern Cuba), have partial melting |  | Blanco-Quintero, Idael Francisco, Lázaro, C., García-Casco, A., Proenza, J. A., Rojas-Agramonte, Y. (2011) Barium-rich fluids and melts in a subduction environment (La Corea and Sierra del Convento mélanges, eastern Cuba) Contributions to Mineralogy and Petrology, 162 (2) 395-413 doi:10.1007/s00410-010-0603-2 | Journal (article/letter/editorial) | | subduction environment (La Corea and Sierra del Convento mélanges, eastern Cuba) Idael Francisco Blanco-Quintero...quartzmuscovite rocks from Sierra del Convento and La Corea mélanges (eastern Cuba), as well as mineralogy...Trondhjemite Phengite Subduction channel Eastern Cuba Caribbean plate Introduction Communicated by...mélanges occurring in eastern Cuba (La Corea and Sierra del Convento) show abundant evidence for fluid...mélanges are located in the Sierra del Cristal (La Corea) and the Sierra del Convento (Fig. 1a). The La Corea |  | Cárdenas-Párraga, Juan, García-Casco, Antonio, Harlow, George E., Blanco-Quintero, Idael Francisco, Agramonte, Yamirka Rojas, Kröner, Alfred (2012) Hydrothermal origin and age of jadeitites from Sierra del Convento Mélange (Eastern Cuba) European Journal of Mineralogy, 24 (2) 313-331 doi:10.1127/0935-1221/2012/0024-2171 | Journal (article/letter/editorial) | | origin and age of jadeitites from Sierra del Convento Mélange (Eastern Cuba) JUAN CÁRDENAS-PÁRRAGA1,*,...Abstract: Jadeitite (jadeite jade) from Sierra del Convento (eastern Cuba) occurs in a subduction-related serpentinite-matrix...high-temperature, Eastern Cuba, Caribbean. 1. Introduction localities occur in the Sierra del Convento mélange (Garcı́a-Casco...(Garcı́a-Casco et al., 2009) in Cuba, Sorkhan, Iran (Oberhänsli et al., 2007) and Rı́o San Juan mélange...Maresch et al., 2008). In the Sierra del Convento mélange, eastern Cuba (Fig. 1b, c) tectonic blocks |  | LÁZARO, C., GARCÍA-CASCO, A., ROJAS AGRAMONTE, Y., KRÖNER, A., NEUBAUER, F., ITURRALDE-VINENT, M. (2009) Fifty-five-million-year history of oceanic subduction and exhumation at the northern edge of the Caribbean plate (Sierra del Convento mélange, Cuba) Journal of Metamorphic Geology, 27 (1) 19-40 doi:10.1111/j.1525-1314.2008.00800.x | Journal (article/letter/editorial) | | northern edge of the Caribbean plate (Sierra del Convento mélange, Cuba) C . L Á Z A R O , 1 A . G A R C...Obispo no. 61, Plaza de Armas, La Habana 10100, Cuba ABSTRACT Petrological and geochronological data...the serpentinitic mélange of the Sierra del Convento (eastern Cuba) indicate counterclockwise P–T paths...associated trondhjemite from the Sierra del Convento mélange (eastern Cuba). Petrological and geochemical...(Yucatan) block. All these terranes are well exposed in Cuba (Fig. 2a). The oceanic material includes the northern |  | | Journal (article/letter/editorial) | | related MA rocks: omphacitites, albitites and mica rocks. The predominance of a single phase in most...many occurrences include omphacitite, albitite, and mica-rich rock. They appear to have a similar but less...clinozoisite-eclogite, and jadeitite, albitite, mica rock, and omphacite-taramite TE rock (Harlow,...(2004a) reported disparate 40Ar/39Ar ages on the mica and amphibole from these HP-LT rocks: north of the...determinations from zircon in jadeitite and related mica-albite rocks yield ages of 98-80 Ma north of the |  | | Report (chapter) | | implications from structural and geochronological data of Cuba K. P. STANEK1*, W. V. MARESCH2 & J. L. PINDELL3...n. Magmatism ceased at least in onshore central Cuba at about 75 Ma, probably as the southern edge of...metamorphism of high-pressure metamorphic rocks in Cuba cluster at 70 Ma; rapid uplift/ exhumation of these...Bahamas Platform along the Eocene suture zone in Cuba. Between the arc’s interaction with Yucatán and...Caribbean. Although magmatism ceased in central Cuba by 75 Ma, traces of continuing Early Palaeogene |  | | Journal (article/letter/editorial) | | indicates pyroxenes richer in Q and Ae components. White is rutile. are also illustrated in Fig. 3a and...jadeite (Shi et al., 2012; Wang et al., 2012); in Cuba earlier jadeite veins have been infiltrated by fluids...minor mineral components, such as glaucophane, white micas, and lawsonite or its retrogression pseudomorphs...minor ( 5 % vol.) components, usually glaucophane, white micas (both phengite and paragonite), chloritoid...aggregates of clinozoisite (more rarely zoisite) white mica (commonly paragonite) that are pseudomorphs after |  | | Journal (article/letter/editorial) | | (OH)2 •H2 O — Ms Muscovite KAl(AlSi3 O10 )(OH)2 Mica group 3 N3+ 2 (SiO4 )3 Ne Nepheline (Na,K)AlSiO4...Fe)SiO3 — Pg Paragonite NaAl(AlSi3 O10 )(OH)2 Mica group Ph Phengite KAl2 (AlSi3 O10 )(OH)2 A varietal...in eastern Cuba eventually spurred the recognition of the jadeitites of Sierra del Convento (Garcı́a-Casco...occurrences: for example, the Baja Verapaz and Sierra de Santa Cruz ultramafics (ophiolitic) north of...Moa-Barracoa ophiolite north of the Sierra del Convento mélange in eastern Cuba (Garcı́a-Casco et al. 2009) |  | 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) | | peridotite massifs: GH, Gaspar Hernández; LC, Loma del Catey; LM, Loma El Morrito; EH, Helechal. Locations:...hornblende, winchite, actinolite, epidote, chlorite, white mica and titanite. The M2C phengite and calcic amphibole... as well as plagioclase, epidote, quartz and white mica. D2C microstructures in the metagabbro were therefore... as well as plagioclase, epidote, quartz and white mica, with or without, biotite and actinolite (Fig...subduction-related Mabujina Amphibolite Complex, Central Cuba. For these authors, the Precambrian ages suggest |  | | Report (chapter) | | described jadeitite from the Sierra del Convento region of eastern Cuba. Maresch et al. (2012) presented...possible occurrence in the Escambray area of central Cuba, briefly mentioned by Millán & Somin (1981). The...might have come from more distant sources such as Cuba or Guatemala (Harlow 1994; Seitz et al. 2001; Harlow...jadeitites (Si5.65–5.89Al2.35–2.11). Clinopyroxene White K-mica Except for sample 31110, all artefacts contain...Hertwig 2014; Hertwig et al. 2016). In general, white K-micas are phengite with Si apfu ranging from 3 |  | Maresch, Walter V., Grevel, Christiane, Stanek, Klaus Peter, Schertl, Hans-Peter, Carpenter, Michael A. (2012) Multiple growth mechanisms of jadeite in Cuban metabasite. European Journal of Mineralogy, 24 (2) 217-235 doi:10.1127/0935-1221/2012/0024-2179 | Journal (article/letter/editorial) | | subduction-zone complex of the Escambray Massif in central Cuba have been studied by optical and transmission electron...pyroxene topotaxy, pyroxene epitaxy, Escambray Massif, Cuba. 1. Introduction Schertl et al., 2007, 2008; Garcı́a-Casco...described occurrences. Recent findings in Iran, Cuba and Hispaniola can be added to this still very short...description of the new Cuban occurrences in eastern Cuba, Garcı́a-Casco et al. (2009) also point to a short...river deposits of the Escambray Massif in central Cuba by Millán & Somin (1981), suggesting that this |  | Schertl, Hans -Peter, Maresch, Walter V., Stanek, Klaus P., Hertwig, Andreas, Krebs, Martin, Baese, Rauno, Sergeev, Sergey S. (2012) New occurrences of jadeitite, jadeite quartzite and jadeite-lawsonite quartzite in the Dominican Republic, Hispaniola: petrological and geochronological overview. European Journal of Mineralogy, 24 (2) 199-216 doi:10.1127/0935-1221/2012/0024-2201 | Journal (article/letter/editorial) | | subduction zone exposed in neighbouring eastern Cuba, are possible. Jadeitites and jadeite-rich rocks...rare high-temperature jadeitite as documented in Cuba. Key-words: Rio San Juan Complex, jadeitite, blueschist...Hispaniola (Schertl et al., 2007a and b, 2008) and Cuba (Garcı́aCasco et al., 2009; Cárdenas Párraga et... Numerous microinclusions of quartz, lawsonite, mica, and fluids concentrated within jadeite crystal...also observed (Krebs et al., 2008, in press). White mica and titanite occur in minor amounts. Plagioclase |  | Angiboust, Samuel, Hyppolito, Thais, Glodny, Johannes, Cambeses, Aitor, Garcia-Casco, Antonio, Calderón, Mauricio, Juliani, Caetano (2017) Hot subduction in the middle Jurassic and partial melting of oceanic crust in Chilean Patagonia. Gondwana Research, 42. 104-125 doi:10.1016/j.gr.2016.10.007 | Journal (article/letter/editorial) | | g. Catalina Schists: Sorensen and Barton, 1987; Cuba mélanges: Garcia-Casco et al., 2008, Lazaro and...muscovite yielded an age of 122 ± 4.6 Ma for a garnet mica schist from the SASZ. Willner et al. (2004a) interpreted...now characterized by a large amount of quartz, white mica and, to NU a lesser extent, hornblende porphyroblasts...average normalization-factor. Chlorite and white SC R mica were normalized to 28 and 11 oxygens, respectively...multi-mineral isotope systematics in samples of white mica-bearing mylonites. Isotopic data was obtained |  | Stanek, Klaus P., Maresch, Walter V., Scherer, Erik, Krebs, Martin, Berndt, Jasper, Sergeev, Sergey S., Rodionov, Nikolay, Pfänder, Jörg, Hames, Willis E. (2019) Born in the Pacific and raised in the Caribbean: construction of the Escambray nappe stack, central Cuba. A review. European Journal of Mineralogy, 31 (1) 5-34 doi:10.1127/ejm/2019/0031-2795 | Journal (article/letter/editorial) | | construction of the Escambray nappe stack, central Cuba. A review Klaus P. STANEK1,*, Walter V. MARESCH2... USA Abstract: The Escambray Massif of central Cuba is the largest metamorphic complex exposed in the...metamorphism; Lu–Hf, U–Pb and Ar–Ar geochronology; Cuba. 1. Introduction 1.1. Regional setting of subduction-related... but collisional features are best preserved on Cuba. The subduction-related metamorphic rocks shown...central Cuba: a case study The nappe stack exposed in the Escambray Mountains (Fig. 1b) of Cuba represents |  | 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) | | HP-LT metamorphic complexes have been studied in Cuba (e.g., Blanco-Quintero et al., 2010; Boiteau et...Antillean complexes are dated as Cretaceous. In Cuba, serpentinite-matrix mélanges record subduction...found unexpected systematic high Si contents in white mica lepidoblasts and presence of the sodium-calcium...complexes onto continental margins in Guatemala, Cuba, Hispaniola and Puerto Rico (Garcia-Casco et al...maps and in other significant samples (Tables 2-5). Mica and chlorite were normalized to 11 and 14 O, respectively |  | | Journal (article/letter/editorial) | | rocks with a texture defined by the presence of a white mica-quartz-hematite grano-lepidoblastic matrix in... The complete mineral assemblage consists of white mica, chlorite, quartz, kyanite, garnet, epidote,...recorded by the metavolcanic tectonic block. White mica is the most abundant mineral in the metahyaloclastites...to ~ 0.2 mm in size and includes three different mica phases: muscovite, paragonite and margarite, according...crystal of hematite, white mica, or both. A discontinuous fine corona of white mica-hematite around these |  | Shi, Guanghai, Lei, Weiyan, He, Huaiyu, Ng, Yi Nok, Liu, Yan, Liu, Yingxin, Yuan, Ye, Kang, Zhijuan, Xie, Gen (2014) Superimposed tectono-metamorphic episodes of Jurassic and Eocene age in the jadeite uplift, Myanmar, as revealed by 40Ar/39Ar dating. Gondwana Research, 26 (2) 464-474 doi:10.1016/j.gr.2013.08.007 | Journal (article/letter/editorial) | | rocks such as glaucophane-schist, together with mica-schist, amphibolite, and the Hparkan–Tammaw serpentinite...one generation because of recrystallization of the mica (e.g. Wijbrans and McDougall, 1986; de Jong, 2003)...crystals are zoned and/or may have submicroscopic white mica, and can carry K. The EPMA (Table 1) data yielded...ratios of 3–20 for glaucophane, and 0.01–0.02 for mica. The 37/39 ratios (Table 2) of the dated glaucophane...chemically recrystalised (to white mica), implying that the age refers to included mica. This can explain the |  | Hyppolito, Thais, Angiboust, Samuel, Juliani, Caetano, Glodny, Johannes, Garcia-Casco, Antonio, Calderón, Mauricio, Chopin, Christian (2016) Eclogite-, amphibolite- and blueschist-facies rocks from Diego de Almagro Island (Patagonia): Episodic accretion and thermal evolution of the Chilean subduction interface during the Cretaceous. Lithos, 264. 422-440 doi:10.1016/j.lithos.2016.09.001 | Journal (article/letter/editorial) | | estimated amount of ferric iron). Chlorite and white mica formulae were normalized to 28 and 11 oxygens...reactions and ductile deformation in metamorphic, white-mica-bearing rocks (e.g. Glodny et al., 2005; SC...2014). Deformation-induced recrystallization of white mica together with associated Sr-bearing phases (like...diffusional resetting of MA the Rb-Sr system in white mica is activated only at relatively high temperature...can largely TE D be ruled out. We analyzed white mica in different grain-size fractions (see section |  | | Report (chapter) | | medium-grade metamorphic rocks, chlorite schists, garnet–mica schists, graphite schists, glaucophane schists and...but also jewellery, including green jadeite and white ‘mutton fat’ nephrite, as a way of demonstrating...contact No specified contact 017 Garnet–mica schist 019 Garnet–mica schist 031/05 Epidote schist 034/05...Fresh jadeitite surfaces are dull-white, white, pale greenish-white, green, mauve, bluish-green, dark...Weathered surfaces are covered by a whitish to greyish-white skin, 10 mm thick. In thin section jadeitite shows |  | | Journal (article/letter/editorial) | | The deepest portion of the belt is exposed in the Sierra de Chuacús region (Figure 1b), where Ortega-Gutiérrez...presence of eclogitic relicts in other sectors (e.g. Sierra de las Minas) has not been verified, and the scale...mostly unknown (Figure 1b). Eclogite bodies in the Sierra de Chuacús occur as discontinuous bands and lenses... K-Ar, and 40Ar/39Ar dating of amphibole and white mica from different rock types (Ortega-Gutiérrez et...2011; Sutter, 1979). Metasedimentary rocks from the Sierra de Chuacús cover a wide range of compositions, |  | Hyppolito, T., García-Casco, A., Juliani, C., Meira, V.T., Hall, C. (2014) Late Paleozoic onset of subduction and exhumation at the western margin of Gondwana (Chilenia Terrane): Counterclockwise P–T paths and timing of metamorphism of deep-seated garnet–mica schist and amphibolite of Punta Sirena, Coastal Accretionary Complex, central Chile (34° S) Lithos, 206. 409-434 doi:10.1016/j.lithos.2014.07.023 | Journal (article/letter/editorial) | | and timing of metamorphism of deep-seated garnet–mica schist and amphibolite of Punta Sirena, Coastal...occurring as meter-sized intercalations within garnet– mica schist at Punta Sirena beach (Pichilemu region,...forming the regional metamorphic basement, the garnet–mica schist and amphibolite yield higher P–T conditions...Complex of central Chile, we show that the garnet–mica schist and associated amphibolite (locally retrograded...margin of Gondwana. However, we show that the garnet–mica schist formed at a slightly greater depth (ca. 40 |  | | Journal (article/letter/editorial) | | quartz, garnet, carbonate, albite, omphacite, white mica and Na-Ca amphibole. The modal contents of constituent...paragonite and contains inclusions of omphacite þ white mica þ rutile dolomite. Calcite occurs interstitially...interstitially between dolomite, omphacite and white mica, suggesting its secondary formation. The carbonate-rich...dolomite, omphacite, albite, garnet, calcite and white mica. Relict coesite included in dolomite was recognized...poikiloblastic garnet, elongate omphacite, albite, white mica, clinozoisite and dolomite. Silica inclusions |  | | Report (chapter) | | pods and lenses of eclogitic rocks found in the mica schists of the Juan Griego unit at least differ...by metaconglomerates, lenticular marbles, garnet –mica schists, graphitic schists and massive marbles (the...results on eclogite pods found there (see below), the mica schists in central Paraguachoa in the general area...the first decisive evidence for the fact that the mica schists of the Juan Griego unit record a highpressure...in a stratigraphically higher sequence of garnet-mica schists, Chevalier Downloaded from http://sp.lyellcollection |  | 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) | | terranes are particularly well exposed in eastern Cuba (García-Casco et al., 2008; Marchesi et al., 2006)...Cordillera Septentrional-Samaná Peninsula geological province is composed of arc and oceanic derived units formed...peridotite massifs: GH, Gaspar Hernández; LC, Loma del Catey; LM, Loma El Morrito. J. Escuder-Viruete...127 (2011) 483–504 485 70º 75º a 22º PLATE CUBA ico trench (b) Puerto R HISPANIOLA JAMAICA 18º...composed by fine-grained mafic schist, with intercalated white marbles and rare ribbon cherts, metamorphosed to |
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