👁 Image
| 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 | 👁 Image
| 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) | | dating of the Moa-Baracoa
metamorphic sole (eastern Cuba)
a
ab
ac
de
f
C. Lázaro , A. García-Casco ...dating of the Moa-Baracoa metamorphic sole (eastern Cuba), International Geology Review, DOI:
10.1080/00206814...dating of the Moa-Baracoa metamorphic sole
(eastern Cuba)
C. Lázaroa*, A. García-Cascoa,b, I.F. Blanco-Quinteroa...metamorphic sole, below the Moa-Baracoa ophiolite (eastern Cuba), contains strongly deformed
amphibolites formed...plume.
Keywords: ophiolite; metamorphic sole; Ar/Ar; Cuba; Caribbean–Colombian Oceanic Plateau
Introduction | 👁 Image
| 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) | | Cretaceous Caribbean arc: The
La Tinta mélange (eastern Cuba) and its easterly
correlation in Hispaniola
Concepción...Cretaceous Caribbean arc:
The La Tinta mélange (eastern Cuba) and its easterly correlation in Hispaniola, International...Cretaceous
Caribbean arc: The La Tinta mélange (eastern Cuba) and its easterly correlation
in Hispaniola
Concepción...gInstituto de
Geología y Paleontología, Ciudad Habana, Cuba; hInstituto Andaluz de Ciencias de la Tierra, CSIC-Universidad...ultramafic mélange sheet that crops out in eastern Cuba. It is
composed of dolerite-derived amphibolite | 👁 Image
| 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 | 👁 Image
| | Journal (article/letter/editorial) | | slab melts and their residues
(Sierra del Convento mélange, eastern Cuba)
Concepción Lázaro ⁎, Antonio...low-K trondhjemitic rocks from the Sierra del Convento mélange (Cuba) indicate
that oceanic crust underwent...high pressure. Indeed, trondhjemites from Sierra del
Convento have some of the geochemical features of...and Sr/Y. However, the trondhjemites from Sierra del Convento are more
comparable to acid rocks from Catalina...end, we use the example of the
Sierra del Convento mélange (eastern Cuba), where partial melting of
a subducting | 👁 Image
| Lázaro, C., Blanco-Quintero, I.F., Rojas-Agramonte, Y., Proenza, J.A., Núñez-Cambra, K., García-Casco, A. (2013) First description of a metamorphic sole related to ophiolite obduction in the northern Caribbean: Geochemistry and petrology of the Güira de Jauco Amphibolite complex (eastern Cuba) and tectonic implications. Lithos, 179. 193-210 doi:10.1016/j.lithos.2013.08.019 | Journal (article/letter/editorial) | | the Güira de Jauco
Amphibolite complex (eastern Cuba) and tectonic implications
C. Lázaro a,⁎, I.F. Blanco-Quintero...y Carretera Central, San Miguel del Padrón, 11000 Ciudad Habana, Cuba
f
Instituto Andaluz de Ciencias...August 2013
Keywords:
Metamorphic sole
Amphibolite
Cuba, ophiolite
Obduction
a b s t r a c t
The Güira...underlies the Mayarí–Baracoa Ophiolitic Belt (eastern Cuba) and is composed of highly foliated amphibolite...metamorphosed (high P) volcanic-arc terrane of eastern Cuba) suggest that the development of the ophiolite
and | 👁 Image
| 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...include epidote, biotite, albite, phengite, titanite, rutile, zircon, and apatite.
Oscillatory zoning in jadeite...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 | 👁 Image
| 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 | 👁 Image
| 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 | 👁 Image
| García-Casco, Antonio, Rodríguez Vega, A., Cárdenas Párraga, J., Iturralde-Vinent, M. A., Lázaro, C., Blanco Quintero, I., Rojas Agramonte, Y., Kröner, A., Núñez Cambra, K., Millán, G., Torres-Roldán, R. L., Carrasquilla, S. (2009) A new jadeitite jade locality (Sierra del Convento, Cuba): first report and some petrological and archeological implications. Contributions to Mineralogy and Petrology, 158 (1) 1-16 doi:10.1007/s00410-008-0367-0 | Journal (article/letter/editorial) | | PAPER
A new jadeitite jade locality (Sierra del Convento, Cuba): first
report and some petrological and...serpentinite-matrix subduction mélange of the
Sierra del Convento (eastern Cuba) in a context associated
with tectonic...phlogopite, phengite, chlorite, glaucophane, titanite, rutile,
zircon, and quartz formed during various stages...MineroMetalúrgico, Las Coloradas s/n., Moa 83329, Holguı́n, Cuba
J. Cárdenas Párraga C. Lázaro I. Blanco Quintero...Obispo no. 61, Plaza de
Armas, 10100 La Habana, Cuba
Y. Rojas Agramonte A. Kröner
Institut für Geowissenschaften | 👁 Image
| | Journal (article/letter/editorial) | | mélange is distributed in the Caribbean (Guatemala, Cuba, and Dominican Republic),
circum-Pacific (Japan...South of Motagua fault,
Guatemala
3. Sierra del Convento, Cuba
Locality
Jadeitite
Table 1. Summary...125–113 Ma (Harlow et al., 2004).
2.3. Sierra del Convento, Cuba
2.2. South of Motagua fault, Guatemala...jadeitite locality has been reported from
eastern Cuba (Garcı́a-Casco et al., 2009; Cárdenas-Párraga...c gneiss. The garnet amphibolite of the
Sierra del Convento mélange yields a peak P-T condition
of 1 | 👁 Image
| | Journal (article/letter/editorial) | | paragonite in trondhjemites from the Sierra del Convento mélange, Cuba*
ANTONIO GARCÍA-CASCO†
Departamento...sn, 18002 Granada, Spain
ABSTRACT
In the Sierra del Convento mélange peraluminous trondhjemitic-tonalitic...discovered in the subduction-related Sierra del Convento mélange in eastern Cuba
(García-Casco 2005). The mélange...during subduction.
GEOLOGIC SETTING
The Sierra del Convento mélange represents an oceanic
subduction...O atoms, Mg no. ca.
0.75], paragonite, apatite, rutile, and titanite (up to 0.072 Al per 5
O atoms). Retrogression | 👁 Image
| | Journal (article/letter/editorial) | | -(Mn) species
also occur
Qz
Quartz
SiO2
—
Rt
Rutile
TiO2
—
Ttn
Titanite
CaTiSiO5
Also known as...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)...and in print
Zrn: 113 Ma
PS
PB
PB , R
Sierra del Convento,
Cubac
Rı́o San Juan complex,
Dominican | 👁 Image
| | Journal (article/letter/editorial) | | pyroxenes
richer in Q and Ae components. White is rutile.
are also illustrated in Fig. 3a and b, where...jadeite (Shi et al., 2012; Wang et al., 2012); in Cuba earlier
jadeite veins have been infiltrated by fluids...pseudomorphs, or accessory ( 5 % vol.) minerals,
such as rutile, ilmenite, titanite, apatite or zircon – which...rock: e.g., glaucophane
jadeitite with accessory rutile and zircon.
639
are garnet-bearing omphacitites...lawsonite or its pseudomorphs, phlogopite, allanite,
rutile, ilmenite, titanite, pyrite, apatite, zircon. In | 👁 Image
| 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:...foliation
with omphacite, zoisite, rare phengite and rutile define an M1J
eclogite-facies assemblage. The computed...of garnet, pargasite/tschermakite, clinozoisite, rutile,
paragonite and Na-rich diopsidic clinopyroxene...metavolcanics by quartz, chlorite, phengite, paragonite and rutile,
with or without glaucophane, lawsonite, clinozoisite...assemblage composed by plagioclase, quartz,
epidote, rutile and titanite. These microstructures indicate D2J | 👁 Image
| 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) | | of the Motagua Fault Zone, Guatemala; Sierra del Convento, Cuba;
Rio San Juan Complex, Dominican Republic)...Zone
(Harlow 1994; Harlow et al.
2011), Sierra del Convento
(García-Casco et al. 2009;
Cárdenas-Párraga...for zircon from the jadeitites of the
Sierra del Convento in Cuba (hydrothermal zircon, Cárdenas-Párraga...this
study (~113–117 Ma) are known from the Sierra del Convento (112.8 ± 1.1 Ma, Lázaro et al. 2009) and...Blanco-Quintero et al. 2011a) serpentinite
mélanges in eastern Cuba. In these localities, tonalites and
trondhjemites | 👁 Image
| Pujol-Solà, Núria, Proenza, Joaquín, Garcia-Casco, Antonio, González-Jiménez, José, Andreazini, Aleu, Melgarejo, Joan, Gervilla, Fernando (2018) An Alternative Scenario on the Origin of Ultra-High Pressure (UHP) and Super-Reduced (SuR) Minerals in Ophiolitic Chromitites: A Case Study from the Mercedita Deposit (Eastern Cuba). Minerals, 8 (10). 433 doi:10.3390/min8100433 | Journal (article/letter/editorial) | | A Case Study from the
Mercedita Deposit (Eastern Cuba)
Núria Pujol-Solà 1, *, Joaquín A. Proenza 1 , Antonio...oriented
clinopyroxene lamellae in chromite, oriented rutile lamellae in chromite, moissanite hosted in the...lamellae in chromite during
cooling (clinopyroxene and rutile), in super-reduced microenvironments during the...super-reducing conditions;
chromitites; ophiolites; Cuba
Minerals 2018, 8, 433; doi:10.3390/min8100433
...from the Mercedita chromitite deposit, in eastern Cuba. This mineral assemblage, which occurs
with con | 👁 Image
| | Journal (article/letter/editorial) | | Manzanal (grouping with brown symbols in Figure 1), Sierra de Las Minas (blue
symbols), La Palmilla (a major...Grande area and TiO2 content from titanite and rutile.
Trace and Rare Earth Elements – Concentrations...particularly from the W. Jadeitites and a few from Sierra de Las Minas with REE approaching or
exceeding...García-Casco 2008) from the Sierra del
Convento mélange in eastern Cuba. These have been argued as the...the protolith for jadeitite from the
Sierra del Convento, however, these whole-rock jadeitite analyses | 👁 Image
| 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 | 👁 Image
| 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) | | et al., 2012). Abbreviations for the main units: Sierra de Santa Cruz ophiolite (SSC), Baja Verapaz ophiolite...Phl—phlogopite, Prs—preiswerkite, Qtz—quartz, Rt—rutile, Tlc—talc, Ttn—titanite, Zoi—zoisite, Zrn—zircon...grains contain small
inclusions of Omp, Ph, Ttn, rutile, Zrn, Qtz, monazite and allanite.
Zircon grains...Juan Complex,
Dominican
Republic
Sierra del Convento
Mélange, Cuba
PT conditions
Key references
(a)...hosting mélange. Jadeitite from Sierra del
Convento in eastern Cuba is an example: the 108−107 Ma U–Pb | 👁 Image
| 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...omphacite; Phg, phengite; Pmp,
pumpellyite; Rt, rutile; Qtz, quartz; Ttn, titanite; Zrn,
zircon.
Table...with the following standards: pyrope (Si,
Al, Mg); rutile (Ti); andradite glass (Ca, Fe); K-glass (K);
eschweizerbart_xxx | 👁 Image
| | Journal (article/letter/editorial) | | paragonite, phlogopite,
LREE–rich epidote, albite, rutile, and titanite. The jadeite occasionally contains...muscovite, paragonite,
LREE–rich epidote, hematite, rutile, and carbonates (calcite and/or dolomite), and...complex, Dominican Republic; SC, Sierra del Convento complex, Cuba; SMM, Southern
Motagua mélange, Guatemala...pseudosection,
Harlow et al. (2015) showed the rutile–in field and titanite–in field, the former of which...jadeitite contains
rutile with very minor amount of titanite, showing that
rutile is primary. Titanite | 👁 Image
| Shi, Guanghai, Harlow, George E., Wang, Jing, Wang, Jun, Enoch, N.G., Wang, Xia, Cao, Shu Min, Enyuancui, W. (2012) Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24 (2) 345-370 doi:10.1127/0935-1221/2012/0024-2190 | Journal (article/letter/editorial) | | shiguanghai@263.net.cn; shigh@cugb.edu.cn
3
Guangdong Province Material Testing Center, Guangzhou 510080, PR...formed at
the expense of ilmenite (or possibly rutile, although it has
not been reported in Myanmar jadeitite)...rather than eclogite, which would probably contain rutile. The grain size was too small to obtain an
accurate...western Alps, Compagnoni et al.
(2007); the Sierra del Convento, Cuba, Garcia-Casco et al.
(2009); and the Nishisonogi...Other jadeitite, notably that from Sierra
del Convento in eastern Cuba (Garcia-Casco et al., 2009;
Cárdenas-Párraga | 👁 Image
| | Report (article/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...with the
following standards: pyrope (Si, Al, Mg), rutile (Ti),
andradite glass (Ca, Fe), K-glass (K), jadeite...results from potential source areas in
Motagua and Cuba. The red line indicates the ideal
Tschermak substitution | 👁 Image
| 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...follows: orthoclase (Al, Si, K), fluorite (F), rutile (Ti), Cr2O3
TE
(Cr), wollastonite (Ca), tugtupite...crystal (sample #26b) showing exsolved ilmenite and rutile
needles defining a geometric network. Note that...inclusion.
T
A network of exsolved 2 µm ilmenite and rutile needles are locally present
IP
within garnet...garnet amphibolites,
NU
locally rimmed by rutile (Fig.6e). Rutile forms euhedral grains and needles included |
|
