Erg Chech 002is an achondrite type meteorite found in Algeria in 2020.
The particularity of this meteorite is that it does not resemble any meteorite known to date and that we know nothing of the parent body from which it came.
This meteoriteisdated 4.565 billion years (older than our Earth), it wasformed at the beginning of the solar system.
It is the oldest magmatic rock in the solar system known to date !
This meteorite also has the particularity to have large green crystals of pyroxene.
The Atacamaites were discovered in the Atacama desert in Chile.
They are black and glassy objects of about 1 cm, they were formed following an impact about 7.8 million years ago.
Their small size, heterogeneity, state of oxidation and level of contamination distinguish them from tektites, which is why a study conducted by J. Gattacceca, Bertrand Devouard, Jean-Alix J-A Barrat, Pierre Rochette, M.L. Balestrieri, G. Bigazzi, G. Ménard, F. Moustard, E. dos Santos, R. Scorzelli, proposes to name them “tektoids”.
The impactor was an iron meteorite, most probably of the IIAB group.
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.
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.
It is a rare type, but the particularity of NWA 10158 is that it must have arrived on Earth a long time ago for proof of its terrestrialisation.
NWA 10158 does not look like a classical mesosiderite and it is only with a scientific analysis that its exact type has been determined.
This meteorite is nevertheless an aesthetic meteorite, and each cut slice is different.
It is a rare type, but the particularity of NWA 10158 is that it must have arrived on Earth a long time ago for proof of its terrestrialisation.
NWA 10158 does not look like a classical mesosiderite and it is only with a scientific analysis that its exact type has been determined.
This meteorite is nevertheless an aesthetic meteorite, and each cut slice is different.
It is a rare type, but the particularity of NWA 10158 is that it must have arrived on Earth a long time ago for proof of its terrestrialisation.
NWA 10158 does not look like a classical mesosiderite and it is only with a scientific analysis that its exact type has been determined.
This meteorite is nevertheless an aesthetic meteorite, and each cut slice is different.
It is a rare type, but the particularity of NWA 10158 is that it must have arrived on Earth a long time ago for proof of its terrestrialisation.
NWA 10158 does not look like a classical mesosiderite and it is only with a scientific analysis that its exact type has been determined.
This meteorite is nevertheless an aesthetic meteorite, and each cut slice is different.
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