HR: 0800h
AN: NS51C-07 [Abstracts]
TI: Archaeomagnetic Investigation at Chapultepec, Mexico City: Case Study of Classical Settlers
AU: * Lopez, V
EM: verola@gmail.com
AF: Universidad Nacional Autonoma de Mexico, Laboratorio de Paleomagnetismo, Instituto de
Geofisica, Ciudad Universitaria, Col. Coyoacan, Del. Coyoacan., Mexico, DF 04150, Mexico
AU: Romero, E
EM: anesoler@geofisica.unam.mx
AF: Universidad Nacional Autonoma de Mexico, Laboratorio de Paleomagnetismo, Instituto de
Geofisica, Ciudad Universitaria, Col. Coyoacan, Del. Coyoacan., Mexico, DF 04150, Mexico
AU: Soler-Arechalde, A M
EM: anesoler@geofisica.unam.mx
AF: Universidad Nacional Autonoma de Mexico, Laboratorio de Paleomagnetismo, Instituto de
Geofisica, Ciudad Universitaria, Col. Coyoacan, Del. Coyoacan., Mexico, DF 04150, Mexico
AU: Espinosa, G
EM: gespinosa.mnh@inah.gob.mx
AF: Instituto Nacional de Antropologia e Historia, Museo Nacional de Historia, Castillo de
Chapultepec, Del. Miguel Hidalgo, Mexico, DF , Mexico
AB:
During the restoration campaign at the Chapultepec Park in Mexico City downtown, a teotihuacan settlement was
found at the south flank of Chapultepec Hill. Samples represent a kind of irregular home kilns with a hole in their
central part bounded by andesite rocks. Alternating field demagnetization had been employed. Rock magnetic
measurements which included: Hysteresis, continuous susceptibility and isothermal remanence experiments
revealed that some spinels, most probably magnetite or Ti-poor Titanomagnetites are responsible for the
remanence. An archeomagnetic date obtained here is of 525 AD which is in good agreement with other
evidences of the Teotihuacan Classic Metepec period (450-600 AD).
DE: 1503 Archeomagnetism
DE: 1560 Time variations: secular and longer
SC: Near-Surface Geophysics [NS]
MN: 2007 Joint Assembly