Shallow crustal structure below Mexico City
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Abstract
From unreversed seismic refraction profiles, using quarry blasts as source, a 2-layer upper crustal structure below Mexico City is obtained: for the first layer (2 km thick) ἀ1 (the compressional wave velocity)= 2.9 km/sec, for the second layer ἀ2=4.7 km/sec. These values compare reasonably well with the values obtained in the Lake of Texcoco from short reversed refraction profiles.
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References
MARSAL, R. and R. GRAUE, 1969. EI subsuelo del Iago Texcoco, in El Hundimiento de la Ciudad de Méxicoy Proyecto Texcoco (Nabor Carrillo Volume). 167-202.
MEYER, R. P., J. S. STEINHART and G. P. WOOLLARD Central plateau of Mexico, 1957. In Explotion Studies of Continental Structure. Carnegie Institution of Washington, Pub. No. 622, Washington D. C., pp. 199-225.
MOOSER, F., 1961. Informe sobre la geologia de la Cuenca del Valle de México y zonas colindantes, Secretaria de Recursos Hidráulicos, Comisión Hidrlógica de la Cuenca del Valle de Mexico, 99 p.