Show simple item record

dc.contributor.advisor Avé Lallemant, Hans G.
dc.creatorFrancis, Ashley Hunt
dc.date.accessioned 2009-06-04T08:28:00Z
dc.date.available 2009-06-04T08:28:00Z
dc.date.issued 2005
dc.identifier.urihttps://hdl.handle.net/1911/17777
dc.description.abstract Structural analysis of units astride the Motagua fault zone, the boundary between the North American and Caribbean plates in Guatemala, is critical to understanding the tectonic evolution of the northwestern Caribbean region. Existing models consider minimal geochronological data and are based on little structural data. Furthermore, published studies of the region predate concepts of microstructures and kinematic indicators. This study integrates classical structural analysis, contemporary techniques, and geochronological data to constrain a tectonic model for the Maya and Chords blocks. Four ductile phases in the Maya block and five in the Chortis block signal two separate tectonic collisions, as progression of structures and strain fields of Maya and Chortis is not correlative. Evidence is presented for collision of Chords and southwestern Mexico at ∼120Ma and for Maya and the Nicaraguan Rise at ∼70Ma. Four brittle phases in both blocks reflect recent deformation following translation of Chords to its current position.
dc.format.extent 149 p.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.subjectGeology
dc.title Deformation history of the Maya and Chortis blocks: Insight to the evolution of the Motagua fault zone, Guatemala
dc.type.genre Thesis
dc.type.material Text
thesis.degree.department Earth Science
thesis.degree.discipline Natural Sciences
thesis.degree.grantor Rice University
thesis.degree.level Masters
thesis.degree.name Master of Science
dc.identifier.citation Francis, Ashley Hunt. "Deformation history of the Maya and Chortis blocks: Insight to the evolution of the Motagua fault zone, Guatemala." (2005) Master’s Thesis, Rice University. https://hdl.handle.net/1911/17777.


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record