USGS geologist Carol Reiss examining hydrothermal vent sample
![Carol Reiss examining hydrothermal vent sample using hand lens](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/CarolReiss_DSC3217.jpg?itok=0aANLOAQ)
Detailed Description
USGS geologist Carol Reiss examining hydrothermal vent sample using hand lens. Sulfide-silicate minerals precipitate from 330°C mineral laden water venting along volcanically active spreading ridges.
Sources/Usage
Public Domain.
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