|
|
Impact (MA) |
Time (MA) |
Age (MA) |
|
|
the Impact Site |
|
|
|
|
|
Y86032 |
Anorthositic fragmental breccia |
Highlands |
|
|
1.1±0.2 |
1.1±0.2 |
<0.05 |
Y793169 |
Mare gabbro |
Mare |
|
|
|
|
|
|
|
|
|
|
<0.04 |
<0.02 |
<0.02 |
Y793274 |
Basaltic regolith breccia |
Mare |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
QUE94269 |
Anorthositic regolith breccia |
Highlands |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Based on information presented by Eugster et al. (1991), Nishiizumi et al. (1991), Vogt et al. (1991), Hill et al. (1991), Nishiizumi et al. 1992, Warren (1994), Grier et al. (1995), Kring et al. (1995), Swindle et al. 1995, Kring et al. (1996), Nishiizumi et al. (1996), Bischoff and Weber (1997), Grossman (2000), Grossman and Zipfel (2001).