Benutzer:Amada44/Cueva de los Cristales

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| name = Cueva de los Cristales
(Cave of the Crystals) | photo = | caption = A man standing in the cave. | location = Naica, Chihuahua, Mexico | depth = | length = | coordinates = | survey = | survey electronic format = | discovery = | geology = | number of entrances = | list of entrances = | difficulty = | hazards = | access = | translation = Cave of the Crystals | language = Spanish | pronunciation =


GPS|27|51|3|N|105|29|47|W|


Cueva de los Cristales (Cave of the Crystals) is a cave connected to the Naica Mine Vorlage:Convert deep in Chihuahua, Mexico. The main chamber contains giant selenite crystals, some of the largest natural crystals ever found.[1] The cave's largest crystal found to date is Vorlage:Convert in length, Vorlage:Convert in diameter and 55 tons in weight. The cave is about Vorlage:Convert in length and Vorlage:Convert in width. The cave is extremely hot with air temperatures reaching up to Vorlage:Convert with 90 to 100 percent humidity. The cave is relatively unexplored due to the extreme temperatures and high humidity.[2] Without proper protection people can only endure approximately ten minutes of exposure at a time.[3]

Formation of the crystals

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Naica lies on an ancient fault and there is an underground magma chamber below the cave. The magma heated the ground water and it became saturated with minerals, including large quantities of gypsum. The hollow space of the cave was filled with this mineral rich hot water and remained filled for about 500,000 years. During this time, the temperature of the water remained very stable at over 50°C. This allowed microscopic crystals to form and grow. They continued to grow to immense sizes.[4]

References

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  1. ↑ Stefan Lovgren: Giant Crystal Cave's Mystery Solved. In: National Geographic News. 6. April 2007, abgerufen am 12. Juni 2009.
  2. ↑ BBC: A rare glimpse of the cave of crystals. 19. Januar 2010, abgerufen am 19. Januar 2010.
  3. ↑ Neil Shea: Crystal palace. In: National Geographic Magazine. November 2008, abgerufen am 12. Juni 2009.
  4. ↑ www.stormchaser.ca
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Category:Caves of Mexico Category:Geology 

[[de:Höhlen_von_Naica#H.C3.B6hle_der_Kristalle_.28spanisch:_Cueva_de_los_Cristales.29]]
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[[ja:クリスタルの洞窟]]
[[pt:Caverna dos Cristais]]
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