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Articles, 4 records found
Articles 4 records found  
1.
17 p, 1.4 MB Characterization and tectonic implications of Mesozoic-Cenozoic oceanic assemblages of Costa Rica and Western Panama / Denyer, P. (Universidad de Costa Rica. Escuela Centroamericana de Geología) ; Baumgartner, P. O. (Université de Lausanne. Institut de Géologie et Paléontologie) ; Gazel, E. (Universidad de Costa Rica. Escuela Centroamericana de Geología)
The Pacific face of Costa Rica and western Panama has been extensively studied because of the wide occurrence of oceanic assemblages. In Northern Costa Rica, the Santa Elena Nappe made by ultramafic and mafic associations overthrusts the Santa Rosa Accretionary Complex. [...]
2006 - 10.1344/105.000000367
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 219-235  
2.
16 p, 2.0 MB Emplacement of Jurassic-Lower Cretaceous radiolarites of the Nicoya Complex (Costa Rica) / Denyer, P. (Universidad de Costa Rica. Escuela Centroamericana de Geología) ; Baumgartner, P. O. (Université de Lausanne. Institut de Géologie et Paléontologie)
We present a new model to explain the origin, emplacement and stratigraphy of the Nicoya Complex in the NW part of the Nicoya Peninsula (Costa Rica) based on twenty-five years of field work, accompanied with the evolution of geochemical, vulcanological, petrological, sedimentological and paleontological paradigms. [...]
2006 - 10.1344/105.000000366
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 203-218  
3.
10 p, 732.3 KB Magmatic and geotectonic significance of Santa Elena Peninsula, Costa Rica / Gazel, E. (Universidad de Costa Rica. Escuela Centroamericana de Geología) ; Denyer, P. (Universidad de Costa Rica. Escuela Centroamericana de Geología) ; Baumgartner, P. O. (Université de Lausanne. Institut de Géologie et Paléontologie)
We present a new integrated interpretation of the geochemistry and geotectonic significance of the Santa Elena Peninsula, which is divided in three units: 1) an overthrust allocthonous unit of ultramafic and mafic rocks, the Santa Elena Nappe; 2) an autochthonous basaltic sedimentary suite, resting immediately below the overthrust, the Santa Rosa Accretionary Complex; and 3) Islas Murciélago pillow and massive basaltic flows. [...]
2006 - 10.1344/105.000000365
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 193-202  
4.
13 p, 1.2 MB Evidence for middle Cretaceous accretion at Santa Elena Peninsula (Santa Rosa Accretionary Complex), Costa Rica / Baumgartner, P. O. (Université de Lausanne. Institut de Géologie et Paléontologie) ; Denyer, P. (Universidad de Costa Rica. Escuela Centroamericana de Geología)
An oceanic assemblage of alkaline basalts, radiolarites and polymictic breccias forms the tectonic substratum of the Santa Elena Nappe, which is constituted by extensive outcrops of ultramafic and mafic rocks of the Santa Elena Peninsula (NW Costa Rica). [...]
2006 - 10.1344/105.000000364
Geologica acta, Vol. 4, Núm. 1-2 (2006) , p. 179-191  

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4 Baumgartner, P. O.
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