ABSTRACT
UWE MARTENS, CARLOS ORTEGA-OBREGÓN, JULIANA ESTRADA AND MARVIN VALLE
“The basement presents two areas of different metamorphic grade, essentially separated along the Motagua fault zone in central Guatemala. For the purpose of this discussion the area north of the Motagua fault zone will be referred to as the Maya block, and the area to the south of it as the Chortis block ...”G. Dengo: Problems of tectonic relations between Central America and the Caribbean, 1969.
