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El Pacífico Oriental se elevará cerca de 13oN: Geología de los nuevos campos hidrotermales
Science (New York, N.Y.)
|March 18, 1983
Resumen
Los depósitos masivos de sulfuro se están formando activamente en la cresta Rise del Pacífico Este. La actividad de las fuentes hidrotermales, evidenciada por anomalías de manganeso y helio-3, confirma la producción continua de sulfuro en esta región geológicamente activa.
Área de la Ciencia:
- Geología marina Geología marina.
- La geoquímica es la geoquímica.
- Oceanografía La oceanografía es la oceanografía.
Sus antecedentes:
- Los depósitos masivos de sulfuro son formaciones geológicas significativas que se encuentran en las crestas oceánicas medias.
- El East Pacific Rise es un centro de propagación muy activo conocido por la actividad hidrotermal.
Objetivo del estudio:
- Para investigar la presencia y la formación de depósitos masivos de sulfuro.
- Para evaluar la actividad hidrotermal actual a lo largo de la elevación del Pacífico Este.
Principales métodos:
- Análisis de muestras de agua de mar para detectar anomalías de manganeso y helio-3.
- Cartografía geológica del fondo marino.
Principales resultados:
- Abundantes depósitos masivos de sulfuro identificados en la cresta de la elevación del Pacífico Este (13°N).
- Las anomalías significativas de manganeso y helio-3 indican una intensa actividad de las fuentes hidrotermales actuales.
- También se encontraron sulfuros masivos en montañas submarinas cercanas fuera del eje.
Conclusiones:
- Los procesos hidrotermales están produciendo activamente sulfuros masivos en la elevación del Pacífico Este.
- Las anomalías observadas confirman la actividad geológica en curso y la formación de sulfuro.
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