Firma UCR

Vol. 73 (2025): July-December

Published: 2025-08-20

Artículos

The “puzolana” quarry of Llano Grande, SW flank of the Irazú Volcano (Costa Rica): geological and mineralogical characterization

Andrés Ulloa, Guillermo E. Alvarado, Federico Rivera, Gerardo Rodríguez, Evelyn Rodríguez (Author)

1-29
The Turín mining prospect, Tilarán Range: a gold-bearing zone with a mineralization age of 2.0 Ma

Alejandro Arauz, Guillermo E. Alvarado (Author)

30-36
Geology, hydrothermal alteration, and mineralogy of Cerro Minas (Santa Ana, Costa Rica): Subvolcanic bodies coeval with the sedimentation of the Pacacua Formation (Lower Miocene)

Guillermo E. Alvarado, Luis A. Zeledón, Leonardo Quesada, Gerardo A. Rodríguez, Peter C. Ryan, Paulo León, Christian Solano (Author)

37-60
The Pleistocene Coyote from the Río Nacaome, Costa Rica

Spencer G. Lucas, Guillermo E. Alvarado (Author)

61-72
Petrographic, mineralogical, and geochemical aspects of the Zulay pit gossan (Turrubares, Costa Rica)

Guillermo E. Alvarado, Andrés Ulloa, Leonardo Quesada, Carl Nelson, Paulo León, Manuel Barrantes, Daniel Gebregiorgis, Bryan E. Moncada-Villegas, Luis E. Morales-Cambronero (Author)

73-91
Field observations on the evolution of the effusive eruption of Pacaya Volcano, Guatemala, from March 5 to April 24, 2021

José L. Méndez Soto, Gustavo Chigna, William Chigna, Sara S. Fuentes, Juan P. Castañeda (Author)

92-111
3D modeling of the internal structure of Poás volcano, Costa Rica: using Leapfrog Geo software

Marianela Molina, Carlos Vargas, Percy Denyer (Author)

112-132
Sedimentology of Eocene-Miocene deposits of the Reventazón river in a transect from las Ánimas to Peralta, Cartago province, Costa Rica

Daniel Monge-Badilla, Valentin Chesnel (Author)

133-172

Revista geológica de América central ISSN Impreso: 0256-7024 ISSN electrónico: 2215-261X

OAI: https://revistas.ucr.ac.cr/index.php/rgeologica/oai