Geology and gold deposits of the Telpaneca district
Sin fecha
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Not previously investigated, the old mines were cleaned out and mapped. They were found to have worked quartz veins in shear zones cutting phyllite
Ministerio de Energía y Minas - Centro de Documentación
Marjorie Montiel
Hospital Bautista, 1 C. Este, 1 Cuadra al Norte. Managua
2280-9500 al 09
De Lunes a Viernes de las 8:00am - 5:00pm.
