When we got to the 102nd floor, we made a hard right out of the elevator and there was a door to our left. Jean-Yves Ghazi opens the door to the 103rd floor of the Empire State Building â April 30, 2013 (credit: Evan Bindelglass / CBSNewYork)
The volcanic origin of Madeira Island ... Macaronesia, a group of five archipelagos of volcanic origin located in the North Atlantic is composed of the Madeira Islands, Canary Islands, Cape Verde, and the Azores.The Archipelago of Madeira was created through a Hot Spot.The island is only the top quarter of the entire volcanic system.acaronesia, a group of five archipelagos of volcanic origin located in the North Atlantic is composed of the Madeira Islands, Canary Islands, Cape Verde, and the Azores. The Archipelago of Madeira was created through a Hot Spot. The island is only the top quarter of the entire volcanic system.
The translation into English of Natural History written by Pliny the Elder of Rome shows a few sentences on the subject of a volcanic glass called obsidian (lapis obsidianus), discovered in Ethiopia by Obsidius, a Roman explorer. Obsidian is the rock formed as a result of quickly cooled lava, which is the parent material.