What are hydrothermal Vents?

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Presentation transcript:

What are hydrothermal Vents?

The mid ocean ridge The mid-ocean ridge is a point in the middle of the ocean where plates are diverging Moving apart This is known as a central rift valley Water seeps into the crack that forms This water forces its way back to the surface through hydrothermal vents or deep-sea hot springs

The water coming from the vents is extremely hot! Can be over 700 degrees F This is much hotter than the surrounding water

What are black smokers? The water coming from these vents is filled with minerals mainly sulfides The warm water cools when it hits the ocean The minerals cool and solidify, depositing the minerals around the vent Black smokers are one type of mineral deposits around hydrothermal vents

The mineral deposits build up around the vents creating chimney-like structures The smoke is a cloud of dense mineral particles

Is there any great importance to these smokers? Life! In this dark cold portion of the planet the “smokers” give life The heat from the vents warms The water is rich in nutrients and minerals All types of life exists by the vents