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El germanio hidrotermal sobre el sureste del Pacífico surge
Science (New York, N.Y.)
|January 3, 1986
Resumen
Los respiraderos hidrotermales liberan germanio al océano, creando un amplio penacho que actúa como un rastreador para las reacciones del fondo marino. Esto sugiere una amplia difusión de fluidos de baja temperatura a lo largo de la elevación del Pacífico Oriental.
Área de la Ciencia:
- La geoquímica es la geoquímica.
- Oceanografía La oceanografía es la oceanografía.
- Geología marina geología marina.
Sus antecedentes:
- La actividad hidrotermal en las cordilleras del océano medio libera firmas químicas en el océano.
- La comprensión de estas firmas ayuda a rastrear los procesos geológicos y la química del océano.
Objetivo del estudio:
- Para investigar el germanio como un trazador para la actividad hidrotermal.
- Para caracterizar la naturaleza de la ventilación hidrotermal a lo largo de la elevación del Pacífico Este.
Principales métodos:
- Análisis de la geoquímica de la columna de agua oceánica.
- Mapeo de las columnas de germanio por encima de la elevación del Pacífico Este.
Principales resultados:
- El enriquecimiento de germanio observado en la columna de agua por encima del sur del Pacífico Oriental Rise.
- Se detectó una pluma de germanio amplia y difusa, en contraste con las plumas afiladas de otros trazadores.
- Esto sugiere una pervasiva ventilación de fluidos hidrotermales de baja temperatura.
Conclusiones:
- El germanio sirve como un nuevo trazador oceánico para la alteración hidrotermal.
- La pluma difusa de germanio indica una ventilación generalizada y de baja temperatura fuera del eje principal de la cresta.
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