pl23_expl1833.jpg
![Rocks that have been totally altered by hot (hydrothermal) fluids expl1833.jpg Rocks that have been totally altered by hot (hydrothermal) fluids](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl1833.jpg)
Description
Rocks that have been totally altered by hot (hydrothermal) fluids. Theiroriginal minerals are now completely replaced by different minerals, often muchlighter in color.
Credit
New Zealand-American Submarine Ring of Fire 2005 Exploration; NOAA Vents Program
Display Date
2005 May 9
Location
New Zealand, Kermadec Arc
Collection
Voyage to Inner Space
Keywords
Ocean Exploration