- 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...
- basin, just
northeast of Mare Tranquillitatis. Mare
Crisium is a
basin of
Nectarian age. It was
formed by the
flooding of
basaltic lava that
filled an ancient...
-
subsequent Late
Imbrian epoch. The
Early Imbrian was
preceded by the
Nectarian. In the
Lunar geologic timescale, the Late
Imbrian epoch occurred between...
-
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...
- 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...
- −3000 — – −2500 — – −2000 — – −1500 — – −1000 — – −500 — – 0 — Pre-
Nectarian Nectarian Imbrian Eratosthenian Copernican Late
Early Periods on 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...
- to be of the
Lower Imbrian epoch, but the
actual basin is
probably Pre-
Nectarian. The
basin has
irregular margins and
lacks a
defined multiple-ringed structure...
