Gancedo at 30.8 tonnes, paired with the 28.8 tonne "El Chaco," are among the heaviest single-piece meteorite masses recovered on Earth, 3rd and 4th respectively.Įl Chaco Meteorite on Display (Amusing Planet) However, when El Chaco was measured using the same techniques as the newly discovered Gancedo in 2016, it officially weighed in at 28,840 kilograms, over 8,000 kilograms shy of the original estimate. This would have been significantly heavier than Gancedo. Early measurements suggested this meteorite weighed around 37,000 kilograms. Gancedo Being Unearth in 2016 (Sky & Telescope)Įl Chaco was believed to be the largest ever fragment in the Campo del Cielo meteorite shower. This makes this meteorite the third largest in the world, behind Anighito from Greenland and Hoba from Namibia. Once this fragment was extracted, it came to a total weight of 30,800 kilograms, roughly 67,000 pounds. Because of this gesture, the meteorite was named after the town. The town of Gancedo provided the equipment that "saved" the specimen. Gancedo was in danger of being damaged from water levels during the extraction process. The largest of these unearthed fragments was discovered on September 10th, 2016 near the town of Gancedo in the Chaco province by a team from the Asociación de Astronomía del Chaco (Astronomy Association of Chaco). Over 100 tonnes of Campo del Cielo fragments have been discovered, making it the largest grouping of one set of meteorites ever found on Earth.Ĭampo del Cielo Meteorite Field on Google Maps Since the initial discovery of these meteorites, there have been hundreds of pieces found, ranging in weight from just a few milligrams to 30 tonnes (30,000 kilograms). The largest of these craters measures at 115 x 91 meters, roughly 377 x 299 feet. The impact zone includes a minimum of 26 different craters, spanning over 55 square kilometers. It is roughly 1000 kilometers, about 620 miles, northwest of Buenos Aires, Argentina. The area containing the meteorite impact field sits between the provinces of Chaco and Santiago del Estero, Argentina. It was later concluded that the sample consisting of roughly 90% iron and 10% nickel, leading to the belief of the mass being meteoritic in origin, not from volcanic activity as many believed initially. Although Rubin himself determined the discovery to be worthless, he still sent samples of his findings to be analyzed. Nine years later, another gentleman by the name of Rubin de Celis and his men targeted the mass with explosives, giving a strong indication the mass was not a vein but one solid stone. In 1774 another expedition led by Don Bartolomé Francisco de Maguna discovered the iron mass, later labeling it as "el Mesón de Fierro," translating to "The Table of Iron." This was because he believed this mass to be the beginning of a large iron vein. The natives called these masses Piguem Nonralta, which was later translated to Campo del Cielo in Spanish, meaning "Field of Heaven." ![]() Samples were collected and later determined to have an unusually high purity. The military eventually discovered one of these "masses" deep within the soil. The governor of an Argentinian province ordered the local military to search for a rumored mass of iron that the natives of the area had used to construct their weapons. Browse our Campo del Cielo Meteorites here! Campo del Cielo meteorites are arguably the most famous grouping of meteorites discovered to this day, raining down to Earth as estimated 4000-5000 years ago.
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