Home
Resource
The hot and the restless: a series of magmatic and deformational events in northeastern North America from early rifting to recent times
PDF
PDF format is widely accepted and good for printing.
Plug-in required
PDF-1(19.22 MB)
Citation & Export
View Usage Statistics
Staff View

Citation & Export
Hide

Simple citation

Sequeira Peraza, César. The hot and the restless: a series of magmatic and deformational events in northeastern North America from early rifting to recent times. Retrieved from https://doi.org/doi:10.7282/t3-6rsj-ht15

Export

Click here for information about Citation Management Tools at Rutgers.

Statistics
Hide

Description

TitleThe hot and the restless: a series of magmatic and deformational events in northeastern North America from early rifting to recent times
NameSequeira Peraza, César (author); Withjack, Martha O. (chair); Schlische, Roy W. (co-chair); Mountain, Gregory S. (internal member); Turrin, Brent D. (internal member); Gazel, Esteban (outside member); Rutgers University; School of Graduate Studies
Date Created2019
Other Date2019-10 (degree)
SubjectGeological Sciences, Strain, Geology, Structural -- North America
Extent1 online resource (xiii, 204 pages) : illustrations
DescriptionThis thesis presents geochronological, structural and geophysical evidence of a complex tectonic history of northeastern North America in a geologic window from the Permian to Recent times, spanning the beginning of rifting of supercontinent Pangea until the current passive margin stage. 40Ar/39Ar geochronology on mafic and felsic sheet intrusions from New England suggests a high sensitivity of the method to a fine crystalline texture, excess argon from Paleozoic crustal rocks, and argon loss from subsequent thermal events. Before the widely recognized ~201 Ma Central Atlantic Magmatic Province, magmatic events occurred at ~271 Ma, ~247 Ma and ~220 Ma. The combination of these and previously published ages with structural data of sheet intrusions and faults allowed dating and characterization of the stress/strain state that resulted from the interaction of magmatism and crustal deformation. Consequently, the data suggest a shift from NW-SE extension before and during rifting, to NE-SW extension and strike-slip regimes after rifting. Seismic-reflection data, well-log data and recent seismic activity provide evidence of such late deformation; however, channel fills of glacial origin could create artifacts in the geophysical data that obscure the true deformation.
NotePh.D.
NoteIncludes bibliographical references
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/t3-6rsj-ht15
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
Version 8.5.5
Rutgers University Libraries - Copyright ©2024