Groundwater differentiation of the aquifer in the Vizcaino Biosphere Reserve, Baja California Peninsula, Mexico

L. Brito-Castillo, L. C. Méndez Rodríguez, S. Chávez López, B. Acosta Vargas

167-179

The structure of the Goulfey-Tourba sedimentary basin (Chad-Cameroon): a gravity study

J. J. Nguimbous-Kouoh, T. Ndougsa-Mbarga, P. Njandjock-Nouck, A. Eyike, José Oscar Campos-Enríquez, E. Manguelle-Dicoum

181-193

Reconnaissance study of Colola and Maruata, the nesting beaches of marine turtles along the Michoacan coast in southern Mexico

A. L. Fuentes-Farias, V. H. Garduño-Monroy, G. Gutiérrez-Ospina, Ligia Lucina Pérez-Cruz, E. Meléndez-Herrera, Jaime Urrutia-Fucugauchi

201-212

Depth estimation to crystalline basement in the valley of La Paz, Baja California Sur, Mexico

A. Cruz-Falcón, R. Vázquez-González, J. Ramírez-Hernández, F. Salinas-González, E. Nava-Sánchez, E. Troyo-Diéguez

213-224

Significance tests for the relationship between “El Niño” phenomenon and precipitation in Mexico

José Luis Bravo Cabrera, Enrique Azpra Romero, Victor Carlos Zarraluqui Such, Carlos Gay García, Francisco Estrada Porrúa

245-261

Poisson relation applied to the Navarrete Plutonic Complex, northeast North-Patagonian Massif, Argentina

F. Lince Klinger, M. E. Gimenez, M. P. Martinez, A. Rapalini, I. Novara

263-274