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Palaeontology Seminar

Posted by C Lowry on Apr 24, 2012 10:08:40 AM

Palaeontology Seminar

 

Floral palaeoecology of the Middle Jurassic of Argentina using palynological analysis and its potential application to hydrocarbon exploration

 

 

Thursday 26th April
Neil Chalmers Seminar Room, DC2, 16:00

 

 

Dr. Stephen Stukins, Department of Palaeontology, NHM

 

 

Palaeoenvironmental reconstructions using palynology are often based upon allochthonous sporomorphs but often fail to take into account how transportation and depositional processes alter the assemblages, leading to misinterpretations. To resolve this, a methodology has been developed that aims to eliminate the bias of the sedimentation process and gives a new interpretation on palaeoenvironmental analysis. This talk reviews the approach using a case study from the Middle Jurassic of the Neuquén Basin, Argentina.

 

The findings show a dynamic ecosystem with broad ecological trends, one opposing the static models of vegetation ecology often presented from palaeo scenarios. In addition, the palaeoenvironmental analysis is combined with sedimentological and geochemical parameters to give an insight into future predictive models for the exploration of complex, marginal marine deposits such as those witnessed in the stunning outcrops of the Lajas Formation.

 

For additional details on attending this or other seminars see http://www.nhm.ac.uk/research-curation/seminars-events/index.html

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