- The
Nectarian Period of the
lunar geologic timescale was from 3.920
billion years ago to 3.850
billion years ago. It is the
period during which the Nectaris...
- The pre-
Nectarian period of the
lunar geologic timescale runs from 4.533
billion years ago (the time of the
initial formation of the Moon) to 3.920 billion...
- Copernican, Eratosthenian,
Imbrian (Late and
Early epochs),
Nectarian, and Pre-
Nectarian. The
boundaries of this time
scale are
related to
large impact...
-
impact crater on the Moon that
dates from the pre-
Nectarian era. (Older
sources state that it is
Nectarian in age.) It is
located on the
lunar highlands on...
-
subsequent Late
Imbrian epoch. The
Early Imbrian was
preceded by the
Nectarian. In the
Lunar geologic timescale, the Late
Imbrian epoch occurred between...
- was
formed 3.8–3.9
billion years ago. This
event marks the
beginning of
Nectarian period of the
lunar geologic timescale. The best-preserved part of the...
-
Crisium basin, Mare
Anguis is a part of the
Nectarian System,
meaning that it was
formed during the
Nectarian time period. Like most mare, the
surface of...
- basin, just
northeast of Mare Tranquillitatis. Mare
Crisium is a
basin of
Nectarian age. Mare
Crisium is 556 km (345 mi) in diameter, and 176,000
square kilometres...
-
crater floor is flat and it has a
central peak.
Rheita is a
crater of
Nectarian age. By
convention these features are
identified on
lunar maps by placing...
-
Fecunditatis basin formed in the Pre-
Nectarian epoch,
while the
basin material surrounding the mare is of the
subsequent Nectarian epoch. The mare
material is...
