By Dorrik Stow
This can be a e-book approximately an ocean that vanished six million years in the past - the sea of Tethys.
Named after a Greek sea nymph, there's a experience of puzzle approximately this type of giant, historical ocean, of which all that continues to be now are a couple of little swimming pools, just like the Caspian Sea. there have been different nice oceans within the historical past of the Earth - Iapetus, Panthalassa - yet Tethys used to be the final of them, vanishing an insignificant second (in geological phrases) prior to guy got here at the scene. as soon as Tethys stretched internationally. How will we recognize? and the way may well this sort of gigantic ocean vanish? The clues of its life are scattered from Morocco to China. This booklet tells the tale of the sea, from its origins a few 250 million years in the past, to its disappearance. It additionally tells of its effect on lifestyles on the earth. The dinosaurs have been simply commencing to get going while Tethys shaped, and so they have been lengthy lifeless by the point it disappeared. Dorrik Stow describes the strong forces that formed the sea; the marine lifestyles it as soon as held and the wealthy deposits of oil that lifestyles left in the back of; the influence of its currents on surroundings and weather.
It is never discovered how extremely important oceans are to weather and setting, and for this reason to lifestyles on the earth. the tale of Tethys can also be a narrative of extinctions, and floods, and amazing episodes reminiscent of the digital drying up of the Mediterranean, earlier than being crammed back through a dramatic cascade of water over the straits of Gibralter. And within the telling of that tale, we additionally find out how geologists prepare the clues in rocks and fossils to find Tethys and its heritage.