WikipediaPena de Bernal
A natural stone standing as high as 433 meters in the territory of Northern and Central Mexico in Queretaro region has been confirmed as the world's tallest monolith. Natural stone is named Natural Monument Pena de Bernal. Monolith is a geological feature is a large stone (single stone) that soars upward like a mountain.
PMM has set a world body Monolith Pena de Bernal as a biosphere reserve in 2001 and gazetted as a world heritage site in 2009. Although it has been designated as a biosphere reserve and a world heritage site, Pena de Bernal still has a mystery to scientists associated with the origin, age and composition of the rocks.
To answer the above then the mystery of a recent study conducted by The National Autonomous University of Mexico, from the study revealed that harisl Pena de Bernal is nonolit highest on the planet. Sequence number two is the Rock of Gibraltar in the peninsula Peninsula with a height of 426 meters. Third is Mount Sugaeloaf in Brazil with a height of 396 meters. The data is based on journal Geosphere in April 2013.
The results above have broken the previous measurements which states that the Pena de Bernal as the tallest monolith in the world number 3 under the Rock of Gibraltar and Mount Sugaeloaf. With a height of Pena de Bernal previous 360 meters. However, a recent study conducted by The National Autonomous University of Mexico to break the previous record.
Pena de Bernal monolith containing dacitic composition as volcanic rocks; 67 percent as siliceous minerals resistant to weather changes. That is the reason why the peak of the monolith can last for centuries suaca from the brunt of the wind, rain and weathering processes. So it remains sturdy looming between the surrounding environment.
Of the chemical composition of the monolith Pena de Bernal researchers can uncover the origin of the formation of this monolith is formed in a subduction zone. That is where one plate dives under another plate and then sink into the mantle to near the edge of the continent. The analysis is accepted by reasonable because the location of Pena de Bernal is part of the Mexican volcanic belt, which formed in the right conditions.
The researchers estimated the age of the monolith Pena de Bernal formed about 8.7 million years ago, which is much older than previously thought (34 million years ago).
Sources:
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