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The significance of reworked palynomorphs (middle Cambrian to Tournaisian) in the Visean Toca da Moura Complex (South Portugal). Implications for the geodynamic evolution of Ossa Morena Zone

2014-01Journal article Open access
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dc.contributor.authorLopes, Gilda
dc.contributor.authorPereira, Zélia
dc.contributor.authorFernandes, Paulo
dc.contributor.authorWicander, Reed
dc.contributor.authorMatos, João Xavier
dc.contributor.authorRosa, Diogo
dc.contributor.authorOliveira, José Tomás
dc.date.accessioned2014-02-21T21:00:07Z
dc.date.available2014-02-21T21:00:07Z
dc.date.issued2014-01
dc.descriptionAvailable online 15 August 2013por
dc.description.abstractThe 404.5 m deep SDJ1 borehole is located in the Jongeis mining sector of the Santa Susana Basin (SSB), and has been palynostratigraphically studied. The SSB is a Carboniferous coal-bearing basin developed along the suture contact between the Ossa Morena Zone (OMZ) and the South Portuguese Zone (SPZ). The recovered palynologic assemblages are assigned to the NM Miospore Biozone of mid Visean age, with the lowermost 6.8 m of the borehole yielding an in situ miospore assemblage assigned to the SL Miospore Biozone of mid Moscovian age. All of the studied samples contained more than 90% of reworked palynomorphs ranging in age from the middle Cambrian to the early Tournaisian (0–397.7 m depth), with the first 6.8 m (397.7–404.5 m depth) yielding reworked palynomorphs from the middle Cambrian to the mid Moscovian. This particular palynologic signature provides further evidence for the interpretation of the reworked palynomorphs in the Toca da Moura Complex (TMC) and its importance in the geodynamic evolution of the OMZ, regarding the probable provenance areas of the reworked palynomorphs within the OMZ and SPZ. Six reworked sub-assemblages were discriminated: i. middle to (?)upper Cambrian; ii. Lower to Middle Ordovician; iii. middle to upper Silurian; iv. Lower Devonian; v. Upper Devonian and vi. lower Carboniferous. From the study of the palynomorph assemblages (both in situ and reworked) recovered from the SDJ1 borehole samples, new inferences are made regarding the recognition of the subsurface extension of the Toca da Moura Complex and its structural relationship to the Pennsylvanian continental coal-bearing SSB. These new data, together with the palynologic study of a control sample (STS15) from the Jongeis old coal mine, housed in the LNEG Geological Museum, in Lisbon, makes possible new interpretations concerning the evolution of the SSB.por
dc.identifier.citationLopes, Gilda... [et al.] - The significance of reworked palynomorphs (middle Cambrian to Tournaisian) in the Visean Toca da Moura Complex (South Portugal). Implications for the geodynamic evolution of Ossa Morena Zone. In: Review of Palaeobotany and Palynology, Vol. 200 (January 2014), p. 1-23por
dc.identifier.issn0034-6667
dc.identifier.urihttp://hdl.handle.net/10400.9/2204
dc.language.isoengpor
dc.relationPTDC/CTE-GEX/72694/2006 - FCT Projectpor
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.revpalbo.2013.07.003por
dc.subjectPalinostratigrafiapor
dc.subjectPalinomorfospor
dc.subjectEvolução geodinâmicapor
dc.subjectOrogenia Variscapor
dc.subjectCarbónicopor
dc.subjectPaleozóicopor
dc.subjectCâmbrico Médiopor
dc.subjectTournaisianopor
dc.subjectComplexo de Toca da Moura (Portugal)por
dc.subjectPortugal (Sul)por
dc.subjectZona de Ossa-Morenapor
dc.titleThe significance of reworked palynomorphs (middle Cambrian to Tournaisian) in the Visean Toca da Moura Complex (South Portugal). Implications for the geodynamic evolution of Ossa Morena Zonepor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleReview of Palaeobotany and Palynologypor
person.familyNameLopes
person.familyNamePereira
person.familyNameFernandes
person.familyNameXavier Matos
person.familyNameRosa
person.givenNameGilda
person.givenNameZélia
person.givenNamePaulo
person.givenNameJoão Manuel
person.givenNameDiogo
person.identifier422469
person.identifier.ciencia-id6115-5FB8-F2D6
person.identifier.ciencia-id6C1B-ED1C-8F5D
person.identifier.ciencia-id051D-A133-65D9
person.identifier.ciencia-idFE16-BE78-D4EA
person.identifier.ciencia-idCC15-B6CC-084A
person.identifier.orcid0000-0002-6866-5127
person.identifier.orcid0000-0003-3056-6219
person.identifier.orcid0000-0003-4888-0230
person.identifier.orcid0000-0002-6108-1030
person.identifier.orcid0000-0003-0160-5215
person.identifier.ridJ-6577-2014
person.identifier.ridI-4511-2017
person.identifier.scopus-author-id57197129025
person.identifier.scopus-author-id7006112964
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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