Flexural rigidity of Fennoscandia inferred from the postglacial uplift

Article Abstract:

The flexural rigidity of Fennoscandia gathered from the postglacial uplift was studied. The research modelled the isostatic response to deglaciation using an Earth model with a layered mantle viscosity. The resulting flexural rigidity was discovered to be uniform all over the Fennoscandia. The seismic lithosphere also had a significant thickness increase from western coast of Norway going to the ice depocentre below the Baltic Sea. A similar lateral change in the flexural rigidity is consequently assumed.

Scandinavia, Ice sheets, Glaciers

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Flexural rift flank uplift at the Rio Grande rift, New Mexico

Article Abstract:

The flank uplifts at the Rio Grande rift were evaluated to determine if they originated by lithospheric flexure. Only one flanking range, the Sacremento Mountains, was found to be convincingly flexural. Existing flexural rift flank uplift models were tested and finite element models were used to examine the behaviour of the lithosphere. The modeling assumes an elastic lithosphere.

Geology, Structural, Structural geology, Rio Grande Rift

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