UAB Digital Repository of Documents 8 records found  Search took 0.01 seconds. 
1.
17 p, 934.3 KB Chromite and platinum group elements mineralization in the Santa Elena Ultramafic Nappe (Costa Rica): geodynamic implications / Zaccarini, F. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Garuti, G. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Campos, L. (University of Costa Rica. Escuela Centroamericana de Geología) ; Thalhammer, O.A.R. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Aiglsperger, T. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Lewis, J.F. (The George Washington University. Department of Earth and Environmental Sciences)
Chromitites associated with strongly altered peridotite from six distinct localities in the Santa Elena ultramafic nappe (Costa Rica) have been investigated for the first time. Santa Elena chromitites commonly display a compositional variation from extremely chromiferous (Cr/(Cr+Al)=0. [...]
2011 - 10.1344/105.000001696
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 407-423  
2.
17 p, 6.8 MB Serpentinites and serpentinites within a fossil subduction channel : La Corea mélange, eastern Cuba / Blanco-Quintero, I.F. (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; García-Casco, A. ((CSIC-UGR). Instituto Andaluz de Ciencias de la Tierra) ; Tauler, E. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Galí, S. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals)
A variety of metaultramafic (serpentinite) rocks in La Corea mélange, Sierra de Cristal, eastern Cuba, show differences in chemical, textural and mineralogical characteristics demonstrating a variety of protoliths. [...]
2011 - 10.1344/105.000001662
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 389-405  
3.
18 p, 1.5 MB Petrogenesis of fertile mantle peridotites from the Monte del Estado massif (Southwest Puerto Rico): a preserved section of Proto-Caribbean lithospheric mantle? / Marchesi, C. (Géosciences Montpellier) ; Jolly, W.T. (Brock University. Department of Earth Sciences) ; Lewis, J.F. (The George Washington University. Department of Earth and Environmental Sciences) ; Garrido, C.J. (CSIC-Universidad de Granada. Instituto Andaluz de Ciencias de la Tierra) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Lidiak, E.G. (University of Pittsburgh. Department of Geology and Planetary Science)
The Monte del Estado massif is the largest and northernmost serpentinized peridotite belt in southwest Puerto Rico. It is mainly composed of spinel lherzolite and minor harzburgite with variable clinopyroxene modal abundances. [...]
2011 - 10.1344/105.000001713
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 289-306  
4.
36 p, 1.3 MB The metallogenic evolution of the Greater Antilles / Nelson, C.E. (Consulting Geologist) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal.lografia, Mineralogia i Dipòsits Minerals) ; Lewis, J.F. (The George Washington University. Department of Earth and Environmental Sciences) ; López-Kramer, J. (Instituto de Geofísica y Astronomía AMA-CITMA. Departamento de Geología Ambiental, Geofísica y Riesgos)
The Greater Antilles host some of the world's most important deposits of bauxite and lateritic nickel as well as significant resources of gold and silver, copper, zinc, manganese, cobalt and chromium. [...]
2011 - 10.1344/105.000001741
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 229-264  
5.
8 p, 362.9 KB Subduction Zones of the Caribbean : the sedimentary, magmatic, metamorphic and ore-deposit records UNESCO/iugs igcp Project 546 Subduction Zones of the Caribbean / García-Casco, A. (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Iturralde-Vinent, M.A. (Museo Nacional de Historia Natural)
2011 - 10.1344/105.000001745
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 217-224  
6.
27 p, 1.3 MB Ophiolite-Related Ultramafic Rocks (Serpentinites) in the Caribbean Region : a Review of their Occurrence, Composition, Origin, Emplacement and Ni-Laterite Soil Formation / Lewis, J. F. (The George Washington University. Department of Earth and Environmental Sciences) ; Draper, G. (Florida International University. Department of Earth Sciences) ; Espaillat, J. (Corporación Minera Dominicana) ; Proenza, J. A. (Universitat de Barcelona. Departament de Cristalografia, Mineralogia i Dipòsits Minerals) ; Jiménez, J. (Falconbridge Dominicana)
Ultramafic rocks, mainly serpentinized peridotites of mantle origin, are mostly associated with the ophiolites of Mesozoic age that occur in belts along three of the margins of the Caribbean plate. The most extensive exposures are in Cuba. [...]
2006 - 10.1344/105.000000368
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 237-263  
7.
19 p, 12.9 MB Primitive Cretaceous island-arc volcanic rocks in eastern Cuba : the Téneme Formation / Proenza, J. A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Díaz-Martínez, R. (Instituto Superior Minero Metalúrgico de Moa. Departamento de Geología) ; Iriondo, A. (Universidad Nacional Autónoma de México. Centro de Geociencias) ; Marchesi, C. (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Melgarejo i Draper, Joan Carles (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Gervilla Linares, Fernando (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Garrido, C. J. (Universidad de Granada. Departamento de Mineralogía y Petrología) ; Rodríguez Vega, Antonio (Instituto Superior Minero Metalúrgico de Moa. Departamento de Geología) ; Lozano Santacruz, Rufino (Universidad Nacional Autónoma de México. Instituto de Geología) ; Blanco-Moreno, J.A. (Instituto Superior Minero Metalúrgico de Moa. Departamento de Geología)
The Téneme Formation is located in the Mayarí-Cristal ophiolitic massif and represents one of the three Cretaceous volcanic Formations established in northeastern Cuba. Téneme volcanics are cut by small bodies of 89. [...]
2006 - 10.1344/105.000000360
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 103-121  
8.
17 p, 1.4 MB Metamorphism on Chromite Ores from the Dobromirtsi Ultramafic Massif, Rhodope Mountains (SE Bulgaria) / González-Jiménez, J.M. (Universidad de Granada. Departamento de Mineralogía y Petrología and Instituto Andaluz de Ciencias de la Tierra) ; Kerestedjian, T. (Bulgarian Academy of Sciences. Geological Institute) ; Proenza, J.A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Gervilla, F. (Universidad de Granada. Departamento de Mineralogía y Petrología and Instituto Andaluz de Ciencias de la Tierra)
Podiform chromitite bodies occur in highly serpentinized peridotites at Dobromirtsi Ultramafic Massif (Rhodope Mountains, southeastern Bulgaria). The ultramafic body is believed to represent a fragment of Palaeozoic ophiolite mantle. [...]
2009 - 10.1344/104.000001447
Geologica acta, Vol. 7, Núm. 4 (Desembre 2009) , p. 413-429  

See also: similar author names
1 Proenza, J.
6 Proenza, J.A.
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