Meteor crater (IMAGE) Goldschmidt Conference Caption Meteor Crater, Arizona. This crater is the result of an impact of a 50m meteor, whereas the impacts described in the current work may have been hundreds of times bigger. Credit Credit: Dr Dale Nations, AZGS. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.