1Relating to or denoting the fourth epoch of the Tertiary period, between the Oligocene and Pliocene epochs.
- In Japan, decapods associated with coral reef deposits were described in Miocene and Pliocene and Pleistocene rocks.
- This was a Paleogene collisional orogen, which underwent rapid and substantial extension in late Oligocene to early Miocene time, resulting in the subsidence of much of the region below sea level.
- Apatite fission-track analyses indicate latest Oligocene to earliest Miocene ages, and are likely to reflect the same exhumational event that controls the cooling ages of the metamorphic rocks below.
Mid 19th century: formed irregularly from Greek meiōn 'less' + kainos 'new'.
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