Plate Tectonics and Basin Modeling Software

Posts Tagged plate tectonics reconstruction

Royal Holloway Research Uses PaleoGIS

Reconstruction of India, Australia and Antarctica's breakup from Gondwana

Reconstruction of India, Australia and Antarctica’s Breakup from Gondwana

We are pleased to share with you a reconstruction animation created using PaleoGIS by Dr. Lloyd White of Royal Holloway, University of London’s Department of Earth Sciences (Royal Holloway). Dr. White included this reconstruction in his presentation at the The Roberts Conference: Passive Margins 2016 (Roberts Conference), held at Royal Holloway April 6–8. The conference explores the role of mechanisms such as “depth-dependant and differential stretching through the lithosphere, polyphase deformation, magmatic activity, and the interplay between structure and sedimentation in rift and passive margin development.” (See Event Details at GlobalEventsList.elselvier.com)

Dr. White’s presentation focused on the tectonic evolution of Gondwana and geological record of breakup along the Indian, Australian and Antarctic passive margins.

The plate model illustrated in the reconstruction was developed by Dr. White and follows work presented in White et al., (2013) “A reassessment of paleogeographic reconstructions of eastern Gondwana: Bringing geology back into the equation” published in Gondwana Research. The model was also presented by Dr. White at this year’s Roberts Conference at Royal Holloway.

See the reconstruction animation here: https://vimeo.com/164527985

Please visit Dr. White’s website for additional information regarding his research. And please contact Dr. White for an abstract of his Roberts Conference presentation last month, at Lloyd.White@RHUL.ac.uk.

Season’s greetings and happy new year!

Season's Greetings animation

snowflake graphic adapted from design by Freepik

Wherever you’re exploring and whatever you’re celebrating, season’s greetings and best wishes for a happy, healthy and prosperous 2016!

 

PaleoGIS Adds Data Deformation Capability

PaleoGIS Adds Deformation of User Data

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Rothwell announces innovative new functionality for end users and plate model vendors.

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Paleo reconstructions performed with rigid plate models inherently have gaps and overlaps between plates. For many tectonic reconstruction exercises, this may not measurably impact analysis results. However, for paleo geographies where plates have been significantly stretched due to rifting or compacted during collisions, the limitations of rigid models may make the reconstructions insufficiently accurate for the task at hand.

Continuing in its position as the industry standard in plate tectonics reconstruction, the next release of PaleoGIS will include new deformation functionality for plate models configured to take advantage of this capability. Reconstruction with these models will automatically deform both plates and user data to their relative paleo shapes, providing a more comprehensive structural visualization of basin evolution.

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Existing deformation methods require plate modelers to include deformation information within the model’s “cookie cutter” layer, potentially creating the need to support both rigid and deformable versions of their models. In the upcoming release of PaleoGIS (version 4.3 for ArcGIS 10.3 and 10.3.1) deformation control is added as separate feature classes within the model database, thereby allowing the same model to be used for applications that may or may not require deformation. Further, this method provides fine-grain control of the
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deformation process, allowing multiple deformation events for individual plates at different ages. Notably, rigid models will remain supported with no change in format, and end users who prefer to make their own plate edits will have the ability to add deformation to their existing rigid plate models.

As with existing versions, PaleoGIS v4.3 will support most commercial and academic plate models. Please contact Sales@RothwellGroup.com for more information.

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