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Crater populations in the early history of Mercury
Author(s) -
Guest John E.,
Gault Donald E.
Publication year - 1976
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl003i003p00121
Subject(s) - impact crater , mercury (programming language) , geology , population , astrobiology , crater lake , lunar craters , physics , demography , sociology , computer science , programming language
Crater populations on two major geologic units of Mercury have been classified into three morphologic types which characterize their state of degradation. The results indicate that one or more processes either prior to or contemporary with the formation of the 1300 km diameter Caloris Planitia reduced the population of fresh craters smaller than 70‐80 km diameter and totally erased the population of fresh craters smaller than 20‐30 km.