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El Salvador | |
| Stoiber, R.E., Rose Jr., W.I. (1974) Fumarole incrustations at active Central American volcanoes. Geochimica et Cosmochimica Acta, 38, 495-516. |
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Nicaragua | |
| Hynek, B. M., McCollom, T. M., Marcucci, E. C., Brugman, K., & Rogers, K. L. (2013). Assessment of environmental controls on acid‐sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118(10), 2083-2104. |