Evidence for the impact crater includes several examples of ‘shocked’ quartz grains in breccia (IMAGE)

Europlanet

Evidence for the impact crater includes several examples of ‘shocked’ quartz grains in breccia

Caption

Evidence for the impact crater includes several examples of ‘shocked’ quartz grains in breccia – a sedimentary rock type with large fragments cemented into a finer-grained matrix. The grains show signs of being deformed in the enormous pressures of the impact, which were between 10 and 30 gigapascals.

Credit

Sánchez-Garrido et al 2022.

Usage Restrictions

Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms.

License

CC BY-NC-SA

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.