Универсальный англо-русский словарь. Академик.ру. 2011.
Purbeckian — In geology, the Purbeckian refers to the highest and youngest member of the Jurassic system of rocks, also known as the Purbeck Beds. Either name is derived from the district known as the Isle of Purbeck in Dorset where the strata are splendidly… … Wikipedia
Tithonian Stage — ▪ geology uppermost of the three divisions of the Upper Jurassic Series, representing all rocks formed worldwide during the Tithonian Age, which occurred between 150.8 million and 145.5 million years ago during the Jurassic Period. The… … Universalium
