Impact constraints on, and a chronology for, major events in early Mars history

HV Frey - Journal of Geophysical Research: Planets, 2006 - Wiley Online Library
Large‐diameter visible and buried impact basins, seen as “quasi‐circular
depressions”(QCDs) in MOLA gridded data, provide a self‐consistent chronology for major …

Impact constraints on the age and origin of the lowlands of Mars

HV Frey - Geophysical Research Letters, 2006 - Wiley Online Library
Visible and buried impact basins, seen as “Quasi‐Circular Depressions”(QCDs) in MOLA
data, provide important new constraints on the age of the Martian lowlands. The buried …