👁 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, 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., 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...clinozoisite-epidote, apatite,
phlogopite, phengite, chlorite, glaucophane, titanite, rutile,
zircon, and quartz formed...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) | | 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
| 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) | | serpentinite in high-pressure subduction
mélanges (eastern Cuba): implications for
subduction initiation
J. Cárdenas-Párraga...serpentinite in high-pressure subduction mélanges
(eastern Cuba): implications for subduction initiation, International...serpentinite in high-pressure
subduction mélanges (eastern Cuba): implications for subduction initiation
J. Cárdenas-Párraga...Paleontología, San Miguel del Padrón, Cuba
ABSTRACT
ARTICLE HISTORY
The Sierra del Convento and La Corea mélanges...mélanges (eastern Cuba) are vestiges of a Cretaceous
subduction channel in the Caribbean realm. Both mélanges | 👁 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...phengiticmuscovite rock, epidote-paragonite-glaucophane eclogite
and rare blueschist. Eclogite recorded...epidoteeclogite facies metamorphism in a relatively low-T glaucophane stability field, and the rock then experienced...125–113 Ma (Harlow et al., 2004).
2.3. Sierra del Convento, Cuba
2.2. South of Motagua fault, Guatemala | 👁 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
| | Journal (article/letter/editorial) | | 1951) and Yoder
(1950), and in a similar way for glaucophane by Miyashiro & Banno (1958). Yoder was not able...Epidote
Ca2 Fe3+ Al2 (SiO4 )3 (OH)
—
Gln
Glaucophane
Na2 (Mg3 Al2 )Si8 O22 (OH)2
Amphibole group...in eastern Cuba eventually spurred the recognition of the jadeitites of Sierra del Convento
(Garcı́a-Casco...porphyroblasts, such as garnet, or for interbanding with glaucophane,
phengite, or pumpellyite. Then there is the...occurrences: for example, the Baja Verapaz and Sierra de Santa Cruz
ultramafics (ophiolitic) north of | 👁 Image
| | Journal (article/letter/editorial) | | jadeite (Shi et al., 2012; Wang et al., 2012); in Cuba earlier
jadeite veins have been infiltrated by fluids...Na-pyroxenites have minor mineral components, such
as glaucophane, white micas, and lawsonite or its retrogression...mineral names may be added to the rock: e.g., glaucophane
jadeitite with accessory rutile and zircon.
...minerals as
minor ( 5 % vol.) components, usually glaucophane, white
micas (both phengite and paragonite),...to the classification name: e.g.,
glaucophane eclogite, glaucophane–phengite–omphacite
garnetite.
Garnet | 👁 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...felty intergrowths of predominantly Al-rich
glaucophane and jadeite, the latter with rims and patches...extensive replacement of
pyroxene by amphibole. Glaucophane developed rims of magnesiokatophorite and edenite...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 | 👁 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...and 31111 are, as determined
macroscopically, glaucophane-rich blueschists.
Jadeitite sensu stricto
Sample...chlorite; Czo, clinozoisite; Ep, epidote; Gln, glaucophane; Grt, garnet; Jd, jadeite; Lws, lawsonite; Omp | 👁 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...vol%, Jd92Di7Hd1–Jd99Di1), quartz (5 vol%),
glaucophane (3 vol%), calcite (1 vol%), phengite (1 vol%...jadeitite
layer contains two generations of glaucophane (~70 vol%),
inclusion-rich lawsonite (~20 vol%) | 👁 Image
| | Journal (article/letter/editorial) | | Mélange (SMM)
unit includes lawsonite eclogite, glaucophane-bearing metabasites, and jadeitite blocks in...eclogite,
blueschist-altered eclogite, lawsonitite, glaucophane-omphacite rock, garnet-quartz-phengite
schist...tectonic blocks in the area
SC
are omphacite-glaucophane blueschist and epidote-amphibolite. Jadeitite...Manzanal (grouping with brown symbols in Figure 1), Sierra de Las Minas (blue
symbols), La Palmilla (a major...particularly from the W. Jadeitites and a few from Sierra de Las Minas with REE approaching or
exceeding | 👁 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) | | found in both suites are omphacite, phengite, glaucophane,
epidote, albite, calcite, titanite and zircon...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...sub-parallel to a
compositional layering of glaucophane-rich and glaucophane-poor lithologies. This foliation is | 👁 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...nyböite, eckermannite, magnesiokatophorite, glaucophane, richterite, winchite, analcime, natrolite, thomsonite-Ca...Celsian
Chromite
Cymrite
Diopside
Eckermannite
Glaucophane
Grossular
Hyalophane
Ilmenite
Jadeite
Kosmochlor...adjacent to the mélange include phengitebearing glaucophane schists and stilpnomelane-bearing
quartzites...sides) of
amphiboles, such as eckermannite and glaucophane (dark
gray to blue-black) or actinolite (dark | 👁 Image
| | Report (article/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 | 👁 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...Chl—chlorite, Czo—clinozoisite, Fsp—feldspar, Gln—
glaucophane, Grt—garnet, Hm—hematite, Jd—jadeite, Ky—kyanite...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...origin and age of jadeitites from
Sierra del Convento Mélange (Eastern Cuba). Eur. J. Mineral. 24, 313–331 | 👁 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:...evolution is constrained
by the retrogression of glaucophane into winchite, hornblende and
actinolite, which...phengite, paragonite and rutile,
with or without glaucophane, lawsonite, clinozoisite and chloritoid.
The...subduction-related
Mabujina Amphibolite Complex, Central Cuba. For these authors, the
Precambrian ages suggest...non-metamorphosed Caribbean island-arc of central
Cuba. In contrast, Grenville inheritances have not been | 👁 Image
| | Journal (article/letter/editorial) | | as determined by 40Ar/39Ar method applied to glaucophane and phengite. Some jadeitite
blocks show lithological...estimated to be 95–90 Ma by 40Ar/39Ar
dating of glaucophane and phengite (Faure et al., 1988).
Earlier workers...facies metamorphism
based on common occurrence of glaucophane + epidote.
The Amakusa–Takahama metamorphic rocks...amphiboles are katophorite that rarely includes glaucophane (Figs. 11B and 11C).
Small omphacite inclusions...complex, Dominican Republic; SC, Sierra del Convento complex, Cuba; SMM, Southern
Motagua mélange, Guatemala | 👁 Image
| | Journal (article/letter/editorial) | | Superior Politécnico J.A. Echeverría, La Habana, Cuba
c
Rice University
Published online: 06 Aug 2010...Superior Politécnico J.A. Echeverría, La Habana, Cuba
AND JAMES PINDELL
Tectonic Analysis Ltd., Duncton...UNITS OCCUR onshore and offshore
Yucatan Peninsula, Cuba, Dominican Republic,
Puerto Rico, and the Virgin...northern-central Cuba) and the Maya Block (Los
Órganos and Rosario belts of western Cuba). However, other...Cretaceous (e.g, Escambray and Samaná terranes of Cuba
and Hispaniola, respectively). Explaining such
a | 👁 Image
| 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) | | low-temperature
metamorphism
40
Ar/39Ar geochronology
Glaucophane
Phengitic muscovite
Myanmar jadeite
a b s t...contrasting ages of Jurassic (152.4 ± 1.5 Ma of glaucophane from blueschist) and Eocene (44.8 ± 1.1
and 45...using 40Ar/39Ar dating.
The Jurassic age of the glaucophane, even older than the forming age of the jadeitite...uplift comprises of metamorphic rocks such as glaucophane-schist,
together with mica-schist, amphibolite...rocks including phengitic
muscovite-bearing glaucophane-schist, stilpnomelane-bearing quartzite, phengitic | 👁 Image
| 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 | 👁 Image
| | Journal (article/letter/editorial) | | conditions of selected jadeitites from Guatemala, Cuba, Iran, Dominican Republic,
and Italian Alps (modified...Southern Motagua Mélange (Guatemala); SC, Sierra del Convento (Cuba); IR, Iran; RSJC, Rio San Juan Complex...Dominican Republic. In Japanese localities, glaucophane is found in jadeitites and jadeite–rich
rocks...large–scale tectonic indicators (blueschists, glaucophane–
bearing eclogites; coesite– or diamond–bearing...(2009) A new jadeitite jade locality (Sierra del Convento, Cuba): First report and
some petrological and | 👁 Image
| | Report (article/chapter) | | schists, garnet–mica schists,
graphite schists, glaucophane schists and amphibolites.
Jade Mines Belt
The...Garnet–mica schist
031/05
Epidote schist
034/05
Glaucophane schist
YK1
Chlorite schist
Ep + Qz + Ab +...fobarroisite; Fgl, ferroglaucophane; Grt, garnet; Gln, glaucophane; Ilm, ilmanite; Jd, jadeite; Kos, kosmochlor;...schist
Garnet–mica
schist
Epidote schist
Glaucophane schist
Sample name
015/05
017/05
028/05
...magnesiokataphorite, nyböite, eckermannite, glaucophane,
richterite and winchite. The occurrence of nyböite |
|
