ZEOLITAS DEL VALLE CENTRAL DE COSTA RICA Y SUS ALREDEDORES

19 different species of zeolites have been found in 25 outcrops in the Valle Central of Costa Ricaand in the Siquirres region. All the zeolites are secondary minerals and crystallized in little veins and vesiclesof the basalts and pyroclastic rocks of the La Cruz and Grifo Alto formations, belonging...

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Autor Principal: Zeledón, Luis Alonso
Formato: Artículo
Idioma: Español
Publicado: Universidad de Costa Rica 2011
Materias:
Acceso en línea: http://revistas.ucr.ac.cr/index.php/geologica/article/view/7247
http://hdl.handle.net/10669/22479
Sumario: 19 different species of zeolites have been found in 25 outcrops in the Valle Central of Costa Ricaand in the Siquirres region. All the zeolites are secondary minerals and crystallized in little veins and vesiclesof the basalts and pyroclastic rocks of the La Cruz and Grifo Alto formations, belonging to the Aguacate Groupand the alcaline igneous rocks of Guayacán. The most frequent species of zeolites are stibnite, chabasite, laumontite, mesolite/mordenite, thomsonite, and analcim. Natrolite only was found near to Siquirres.