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rdf:type	schema:ClaimReview
http://data.cimple...lizedReviewRating	mostly credible
schema:url	http://www.snopes.com/fact-check/rainbow-mountains-of-peru/
schema:text	A photograph showing a brightly colored mountain range is frequently shared on social media along with the claim that it depicts the "Rainbow Mountains" in Peru: This photograph does show a real location in Peru. However, this mountain range is not officially called the Rainbow Mountains, and the colors in this image have been digitally enhanced. This is a portion of Ausangate, a mountain about 6,384-meters (21,000 feet) high in the Peruvian Andes. Geologist Trevor Nace explained why this mountain displayed a variety of colors in an article published by Forbes: The reason we see the rainbow coloration in the stratigraphic layers of the Ausangate mountain is largely due to weathering and mineralogy. Red coloration of sedimentary layers often indicates iron oxide rust as a trace mineral. Similar to how a nail will rust and turn red when oxidized, sediments that are iron rich will change when exposed to oxygen and water. This, in combination with uplift and tectonically driven crustal shortening has tilted the sedimentary layers on their side exposing stripped stratigraphic intervals. The different coloration is due to different environmental conditions and mineralogy when the sediment was originally deposited and subsequently diagenetically altered. Introduction of goethite or oxidized limonite will introduce a brownish coloration to sandstones. The bright yellow coloration could be due to iron sulphide as trace minerals within the pore cement. In addition, chlorite will often color sediments varying shades of green dependent on diagenetic history and concentration. Although this colorful mountain range is real, this viral photograph is not an accurate depiction of Ausangate. Here is a comparison of two images of Peru's "Rainbow Mountains", one showing their actual color (left) taken by Chaski Peru Trek, a company that organizes tours of the area, and the viral photograph (right) featuring the digitally enhanced colors:
schema:mentions	Andes Mountain range Cement Rainbow Forbes Oxygen Peru Social media Stratigraphy Iron oxide Mineralogy Sedimentary rock Weathering Rust dbpedia:Beak dbpedia:Sulfide dbpedia:Diagenesis dbpedia:Mineral_(nutrient) dbpedia:Ausangate dbpedia:Goethite dbpedia:Thrust_tectonics dbpedia:Chlorite_group dbpedia:Limonite
schema:reviewRating	Mostly True
schema:author	snopescom
schema:datePublished	2017-05-16 (xsd:date)
schema:inLanguage	English
schema:itemReviewed	http://data.cimple.eu/claim/b3c7e2c085e147da426564daa13705828badb95196058d0e10d1cc81

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