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Colombia | |
| Green, D. H., Lockwood, J. P., and Kiss, E., 1968, Eclogite and Almandine-Jadeite-Quartz Rock from the Guajira Peninsula, Colombia, South America, American Mineralogist, V. 53, p. 1320-1335. |
| Castellanos-Alarcón, O. M., Ríos-Reyes, C. A., & Mantilla-Figueroa, L. C. (2016). Occurrence of a skarn-type mineralogy found in Ciénaga Marbles, located in the NW foothills of the Santa Marta Massif (Colombia). Dyna, 83(196), 69-79. |
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Ecuador | |
| Alejandro Félix collection. |