diluvial epoch; Pleistocene
Geological term for the Pleistocene epoch, often used in older or formal contexts. In modern geology, 更新世 (こうしんせい) is more common.
Fossils were discovered in the diluvial formation.
The diluvial upland in this area is suitable for agriculture.
Diluvial epoch; Pleistocene
From 洪 (flood, vast) and 積 (accumulate), referring to deposits from the biblical flood in early geological theories. The term is now largely replaced by 更新世 in modern scientific usage.