Outrageously Funny Word Dictionary :: Whistonian

👉 Whistonian is a type of geology that describes rocks from the Quaternary period (105,000 to 70,000 years ago) and is characterized by the presence of quartz crystals. These rocks were formed during the Late Triassic period and are primarily composed of sandstone and shale. The term "Whistonian" comes from the name of the region in which they are found, where the Quaternary period began.

whistonian