The New Encyclopaedia Britannica, Volume 8 |
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Page 66
... meteorite in the rolling plain of the Canyon Diablo region , 19 miles ( 30 km ) west of Winslow , Ariz . , U.S. It is 4,000 feet ( 1,200 m ) in diameter and about 600 feet ( 180 m ) deep inside its rim , which rises nearly 200 feet ( 60 ...
... meteorite in the rolling plain of the Canyon Diablo region , 19 miles ( 30 km ) west of Winslow , Ariz . , U.S. It is 4,000 feet ( 1,200 m ) in diameter and about 600 feet ( 180 m ) deep inside its rim , which rises nearly 200 feet ( 60 ...
Page 67
... meteorite craters . An astrobleme is simply the scar of an impact crater - i.e . , any part of the structure that has survived erosion . Older impact structures may completely lack dis- cernible crater rims , but they still retain some ...
... meteorite craters . An astrobleme is simply the scar of an impact crater - i.e . , any part of the structure that has survived erosion . Older impact structures may completely lack dis- cernible crater rims , but they still retain some ...
Page 68
... ( meteorite ) and ejects steadily increasing amounts to begin the excavation stage . Ejec- tion and crater growth is a continuous , orderly process involving a steady flow of materi- als along shear lines . Cratering ceases when stresses ...
... ( meteorite ) and ejects steadily increasing amounts to begin the excavation stage . Ejec- tion and crater growth is a continuous , orderly process involving a steady flow of materi- als along shear lines . Cratering ceases when stresses ...
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