the lusitanian basin (portugal)

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geradores. Principais potenciais geradores. Selante. GPEP, 1986. Synthesis Chart published by the Portuguese. Oil Agency (GPEP) in 1986, based in previous.
THE LUSITANIAN BASIN (PORTUGAL): A NEW SYNTHETIC LITHOSTRATIGRAPHIC AND GEODYNAMIC CHART Rui PENA DOS REIS (Univ. Coimbra, Portugal) Nuno PIMENTEL (Univ. Lisboa, Portugal) A.J.V. GARCIA (Univ. Fed. Sergipe, Brasil)

ATLANTIS MAPG Convention, Marrakesh, 28-31 October 2007

LUSITANIAN BASIN (Portugal)

GEODYNAMIC FRAMEWORK OF IBERIA IN UPPER TRIASIC

ATLANTIC

IBERIA

Modif. de Ziegler, 1988

MOROCCO

TETHYS N AFRICA

Modif. Ziegler, 1988

La Coruña

Banco da Galiza

Vigo

The Lusitanian Basin in the western atlantic margin and its relationship with other neighbouring western iberian Mesozoic sedimentary basins.

Monte de Vigo

Porto

Monte de Porto

100 km

BasinsMesozóicas e Terciárias Bacias Soco Hercínico Basement Lisboa Planície abissal do Tejo

Horst das Berlengas Batimetria em metros

TRANSVERSE PROFILE OF THE IBERIAN MARGIN, AT THE NORTH-EASTERN ATLANTIC MARGIN L u s i t a n i a n Outern domain (deep-off-shore)

B a s i n Inner domain

Structural high (Berlenga)

(on-shore and shallow off-shore)

Sea-level UC

LC

Highly stretched Lower and Upper Crust

Ribeiro, 1990

Less stretched Lower and Upper Crust RIBEIRO, 1990

MAIN FORMER CHARTS WITH THE STRATIGRAPHIC FRAMEWORK FOR THE LUSITANIAN BASIN

Partial stratigraphic synthesis charts published in 1980, based on previous works by several authors.

CRETACEOUS UPPER JURASSIC

Synthesis Chart published by the Portuguese Oil Agency (GPEP) in 1986, based in previous publications and oil exploration unpublished data

Principais potenciais geradores

Principais potenciais geradores

Selante

SOURCE ROCK

RESERVOIR

GPEP, 1986

Synthesis proposed by R.C.L. Wilson in 1988, based on previous works by P.Choffat, C.Palain, G.Manupella, J.Rey, M.Ramalho, R.Rocha, F.Guery, GPEP, and others.

Chart from Milupobas Contract, developed by academics (Rocha et al.) for the Portuguese Oil Agency (GPEP, 1996)

Integration of the Lusitanian Basin Chart with other Western Iberian basins and ODP boreholes data (Pinheiro et al., 1996)

Stratigraphic Chart presented by Kullberg (2002), based on previous works by several authors

F.Lourinhã F.Abadia F.Montejunto

Subs.tectónica

Kullberg (2002)

Partial stratigraphic synthesis charts published in Azeredo et al. 2003 & Rey et al. 2005, based on previous works by several authors.

CRETACEOUS

LOWER and MIDDLE JURASSIC

NEW LITOSTRATIGRAPHIC CHART by Pena dos Reis, Pimentel & Garcia (2007)

Fine

SILICICLASTICS Coarse

CARBONATES

50 km

MAGMATISM 3rd CYCLE ALCALINE

GEODYNAMIC EVOLUTION Inversion beginning

Passive Margin 3rd Oceanic Rupture 2nd Oceanic Rupture 2nd CYCLE TRANSITIONAL Alcali/Olivinic

1st Oceanic Rupture Subsidence in Pull apart basins

Tectonic Instability

1st CYCLE TOLEITIC

Platform prograding to the W over Ramp

Thermal Subsidence

NW Ramp tilting

Tectonic subsidence

Independent blocks