Formation of a Simple Crater

Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA Contact/Compression stage Projectile Shock wave End contact/compression stage Ejecta Rarefaction (release wave) Shock wave Material flow Excavation stage Vapor Ejecta curtain Melt End excavation stage Transient cavity Modification stage Ejecta Ejecta Fractured rock Final crater Uplifted rim Melt-rich material Ejecta blanket Breccia lens Fractured rock Bevan M. French\David A. Kring\LPI\UA