Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times.

Details Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times. Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times.

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmgp44a..05r&link_type=abstract

American Geophysical Union, Spring Meeting 2008, abstract #GP44A-05

Computer Science

Databases

1522 Paleomagnetic Secular Variation, 1525 Paleomagnetism Applied To Tectonics: Regional, Global, 1533 Remagnetization, 1540 Rock And Mineral Magnetism, 8110 Continental Tectonics: General (0905)

Scientific paper

The Trans-Mexican Volcanic Belt (TMVB) is a high-altitude volcanic province that traverses central Mexico from the Pacific Ocean to the Gulf of Mexico. For the last 10 Ma, and due to the spatial-temporal tectonic evolution of the area, the TMVB is characterized by its continuous and geochemically inhomogeneous volcanic activity, which has been paleomagnetically studied since the seventies. Here, a compilation of selected site-mean directions of Late Miocene to Quaternary volcanics coming from unpublished and currently available paleomagnetic data from the region is reported. First, the tectonic stability of the western, central and eastern segments of the TMVB is analyzed against the age of the volcanism, in terms of vertical axis crustal block rotations using the same reference directions. Then, the Angular Standard Deviation of the TMVB's Virtual Geomagnetic Poles (VGP) datasets is statistically tested in the age ranges 10-5 Ma and 5-0 Ma (normal, reversed and altogether modes), and compared with the corresponding VGP dispersions obtained from the Paleo Secular Variation from Lavas (PSVL) global databases. In all cases, mean declination and inclination results hardly disagree with the Geocentric Axial Dipole (GAD) hypothesis. It is suggested that the notion that there are many tectonically affected areas in the TMVB should be revised and their directional paleomagnetic data included in the PSVL databases.

Affiliated with

Also associated with

No associations

Rating

Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times. does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Paleomagnetism in the Trans-Mexican Volcanic Belt. Implications for Vertical Axis Crustal Block Rotations and Time-Averaged Geomagnetic Field Since Late Miocene Times. will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1398066