860-288801 - Clay loaded with iron oxides and dried out, Rio Tinto, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288798 - Reflections on Rio Tinto, near its source, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288800 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288799 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
1278-196 - Wieliczka Salt Mine Tourist Route, Chapel of St. Kinga with carved details in Kopalnia soli Wieliczka, UNESCO World Heritage Site, Krakow, Poland, Europe
1278-195 - Wieliczka Salt Mine Tourist Route, Chapel of St. Kinga with chandeliers in Kopalnia soli Wieliczka, UNESCO World Heritage Site, Krakow, Poland, Europe
1278-194 - Wieliczka Salt Mine Tourist Route, Chapel of St. Kinga staircase in Kopalnia soli Wieliczka, UNESCO World Heritage Site, Krakow, Poland, Europe
832-57718 - Rock salt mined from an underground mine is piled up at the Detroit Salt Company, the salt is used mainly for high de-icing, Detroit, Michigan, USA
1031-22 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-14 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-34 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-15 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-26 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-31 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-18 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-29 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-30 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-28 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-39 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-17 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-33 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-24 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-25 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-21 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-16 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-35 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-27 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-23 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-36 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-38 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-37 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.
1031-19 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide. .
1031-20 - The mine uses the most sophisticated modern mining techniques to bring grit salt to the surface, including a laser guided JOY excavator and mechanical drills and lift.
1031-32 - Mining grit salt is very different to the traditional image of cramped dark areas and men with pickaxes! The nature of grit salt mines mean they resemble vast caverns, up to 20 metres wide.