North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Teotihuacan, México, Mexico;
Reference: Manzanilla, L., L. Barba, R. Chávez, A. Tejero, G. Cifuentes, and N. Peralta (1994). Caves and Geophysics: An Approximation to the Underworld of Teotihuacan, Mexico. Archaeometry 36(1):141-157 (used with permission).
Total field magnetic anomaly map surveyed to the west of the Pyramid of the Sun. Sensor height is 0.3 m. Note the inverse magnetized pattern indicating the presence of a void or cavity adjacent to the basaltic flow. Contour interval is 200 nT.