| 11. | Electrical conductivity data suggest that a hydrothermal system exists beneath Lascar.
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| 12. | This data suggests the volcano is actively venting warm hydrothermal fluids.
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| 13. | This species inhabits the hydrothermal vent fields of the Indian Ocean.
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| 14. | It occurs in low temperature hydrothermal veins at temperatures less than.
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| 15. | Paramelaconite forms as a secondary mineral in hydrothermal deposits of copper.
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| 16. | :: Or perhaps in deep water-see hydrothermal vent.
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| 17. | These deep sea marine species survive in environments like hydrothermal vents.
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| 18. | Lautite is formed in veins under hydrothermal conditions at medium temperatures.
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| 19. | They may be magma chambers or the result of hydrothermal phenomena.
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| 20. | Some parts of the Southern Spur display evidence of hydrothermal alteration.
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