About 12,000 years ago, a large cometary explosion melted a vast area of the Atacama Desert in Chile. The heat was so important that the sandy soil was transformed into silicate glass.
The minerals discovered in the Pica Glas correspond to the composition of the material brought back to Earth by the NASA Stardust mission, from the comet Wild 2. L’analyse a permis de découvrir des minéraux que l’on trouve dans les météorites :
Cubanite, troilite and inclusions rich in calcium and aluminum.
The dating of the impact about 12000 years ago, coincides with the mass extinction in South America of large mammals.
This current theory can however be contested by new theories.
About 12,000 years ago, a large cometary explosion melted a vast area of the Atacama Desert in Chile. The heat was so important that the sandy soil was transformed into silicate glass.
The minerals discovered in the Pica Glas correspond to the composition of the material brought back to Earth by the NASA Stardust mission, from the comet Wild 2. L’analyse a permis de découvrir des minéraux que l’on trouve dans les météorites :
Cubanite, troilite and inclusions rich in calcium and aluminum.
The dating of the impact about 12000 years ago, coincides with the mass extinction in South America of large mammals.
This current theory can however be contested by new theories.
About 12,000 years ago, a large cometary explosion melted a vast area of the Atacama Desert in Chile. The heat was so important that the sandy soil was transformed into silicate glass.
The minerals discovered in the Pica Glas correspond to the composition of the material brought back to Earth by the NASA Stardust mission, from the comet Wild 2. L’analyse a permis de découvrir des minéraux que l’on trouve dans les météorites :
Cubanite, troilite and inclusions rich in calcium and aluminum.
The dating of the impact about 12000 years ago, coincides with the mass extinction in South America of large mammals.
This current theory can however be contested by new theories.
About 12,000 years ago, a large cometary explosion melted a vast area of the Atacama Desert in Chile. The heat was so important that the sandy soil was transformed into silicate glass.
The minerals discovered in the Pica Glas correspond to the composition of the material brought back to Earth by the NASA Stardust mission, from the comet Wild 2. L’analyse a permis de découvrir des minéraux que l’on trouve dans les météorites :
Cubanite, troilite and inclusions rich in calcium and aluminum.
The dating of the impact about 12000 years ago, coincides with the mass extinction in South America of large mammals.
This current theory can however be contested by new theories.
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