Geochemistry of basalts from the Dumisseau Formation, southern Haiti: implications for the origin of the Caribbean Sea crust

Sen, Gautam; Hickey‐Vargas, Rosemary; Waggoner, D. G.; Maurrasse, F. J.

doi:10.1016/0012-821x(88)90006-4

Cited by 65 publications

(58 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Finally the trace of the EPGFZ does not seem to be influenced by tectonic inheritance, since the transition between the two crustal domains does not appear to represent a zone of weakness for fault localization. (Edgar et al, 1973;Leroy, 1997, Mauffret et al, 2001) and is based onshore on outcrops (Sen et al, 1988;Hastie et al, 2008). The identification of structures of the eastern Cayman Trough passive margin is based on reflection seismic profiles and correlations with onshore formations in Jamaica .…”

Section: Discussionmentioning

confidence: 99%

The northern Caribbean plate boundary in the Jamaica Passage: Structure and seismic stratigraphy

et al. 2016

View full text Add to dashboard Cite

show abstract

Section: Discussionmentioning

confidence: 99%

The northern Caribbean plate boundary in the Jamaica Passage: Structure and seismic stratigraphy

et al. 2016

View full text Add to dashboard Cite

show abstract

“…El basamento ígneo local, donde se ubica el larimar, se correlaciona y denomina Formación Dumisseau (Maurasse, 1979;Sen et al, 1988). Gran parte de la geología local, que se presenta a continuación, está basado en el informe geológico de la hoja topográfi-ca Ciénaga, 1: 50 000 (IGME-BRGM-INYPSA, 2010), por ser uno de los más recientes, en el cual se compiló gran parte de los trabajos anteriores.…”

Section: Contexto Geológico Regionalunclassified

“…Los basaltos, por lo general, presentan fenocristales de plagioclasa y de piroxenos, mayormente clinopiroxeno, algunos con estructura en reloj de arena, y escaso ortopiroxeno; minerales opacos y raramente olivino, con la excepción de las picritas. Las rocas ígneas básicas son por lo general ricas en Ti, algunas alcalinas, y basaltos toleíticos (Maurasse, 1979;Sen et al, 1988;Sinton et al, 1998;IGME-BRGM-INYPSA, 2010).…”

Section: Contexto Geológico Regionalunclassified

Mining in Hispaniola at the beguinning of the Discovery (1503-1515)

Galán¹

2017

Bol. geol. min.

View full text Add to dashboard Cite

The first years of the colonization of the New World after the euphoria of the discovery were very difficult years, due to the uncertainty, inexperience and failure to fulfill expectations of both the Crown and the settlers. But the island of Hispaniola became a bridgehead able to give a satisfactory response under President Nicolas de Ovando (1502-1509) with spectacular gold mining results able to meet the expected demands of the Discovery of the New World and ensure its economic survival. The chroniclers of the time reflected this mining differently, enlightening us with tillage methods, location, operational problems, etc. showing the significance of its activity. Uncovering these data, a technical analysis of the complex production system could give a more realistic picture that supports its development and assesses the extent of the efforts of those American miners.

show abstract

“…This terrane is composed of Upper Cretaceous basalts similar to those that form the substratum of the Caribbean Sea (Maurrasse et al, 1979;Sen et al, 1988;Mann, 1999;Kerr et al, 2002).…”

Section: Geological Settingmentioning

confidence: 99%

High resolution magnetic, regional gravity and petrophysical characterization of the Dominican Republic tectonic domains with special focus on the Central Cordillera

Ayala¹,

García-Lobón²,

Viruete³

et al. 2017

Bol. geol. min.

View full text Add to dashboard Cite

Ayala, C., et al., 2017. High resolution magnetic, regional gravity and petrophysical characterization of the Dominican Republic tectonic domains with special focus on the Central Cordillera. Boletín Geológico y Minero, 128 (3): 611-631 ISSN: 0366-0176 DOI: 10.21701/bolgeomin.128.3.005 611 High resolution magnetic, regional gravity and petrophysical characterization of the Dominican Republic tectonic domains with special focus on the Central Cordillera C. Ayala (1,2) , J. L. García-Lobón (1) , J. Escuder-Viruete (1) , C. Rey-Moral (1) , A. Pérez-Estaún (3, †) y A. Padín-Debén (4) (1) Geological Survey of Spain (IGME), C/ La Calera n. 1, 28760 Tres Cantos, Madrid. Tl.: +34 917287218, Fax: +34 917287202 c.ayala@igme.es; jl.garcia@igme.es; j.escuder@igme.es; c.rey@igme.es (2) Now visiting at the Institute of Earth Sciences Jaume Almera-CSIC, C/ Lluís Solé i Sabarís s/n, 08028 Barcelona. ABSTRACTThe aim of this study is twofold: to make a geological interpretation of available ground gravity and high resolution airborne magnetic surveys carried out over the Dominican Republic, and to define the spatial limits of key tectonic units of the Central Cordillera. Potential fields and petrophysical data allow the establishment of the spatial limits and the relationships of the key tectonic units at local and regional scale. Therefore, gravity and magnetic data have been integrated to produce models of the upper crustal structure across the Central Cordillera following corresponding geological cross-sections that have been extended in depth. Since there are no seismic or borehole data to constrain the models in our study area, modelling is based on potential field data and the analysis of the physical properties that have been measured from surface rocks (586 density and magnetic susceptibility samples). The main features of the potential fields maps are: (1) NW-SE-trending anomalies delineating the main tectonic units, which coincide with the major strike-slip fault zones that limit those units; (2) exceptional geophysical mapping examples of volcano-sedimentary units; and (3) significant anomalies due to a magmatism widely spread all over Hispaniola Island. The modelling results reveal the petrophysical heterogeneities and subsurface geometry of the tectonic units, faults and shear zones. The model shows that Tireo Fm extends up to 7 km in depth. The Duarte Complex has been modelled as a layer of c. 5-7 km in thickness beneath the Tireo Fm and the S. Juan Basin. Some of the intrusive bodies may reach depths of c. 8 km.Key words: Central Cordillera-Dominican Republic, Density, Geophysical mapping, Magnetic susceptibility, Potential field modelling.Caracterización de los dominios tectónicos de la República dominicana, con especial énfasis en la Cordillera Central, mediante datos aeromagnéticos de alta resolución, gravimetría regional y petrofísica Presente (e.g. Mann et al., 1991, 1995 (Bowin, 1975;Lewis and Draper, 1990;Mann et al., , 1995 . Contexto geológico La geología de La Hispaniola está formad...

show abstract

Geochemistry of basalts from the Dumisseau Formation, southern Haiti: implications for the origin of the Caribbean Sea crust

Cited by 65 publications

References 28 publications

The northern Caribbean plate boundary in the Jamaica Passage: Structure and seismic stratigraphy

The northern Caribbean plate boundary in the Jamaica Passage: Structure and seismic stratigraphy

Mining in Hispaniola at the beguinning of the Discovery (1503-1515)

High resolution magnetic, regional gravity and petrophysical characterization of the Dominican Republic tectonic domains with special focus on the Central Cordillera

Contact Info

Product

Resources

About