Vega Island
'''Vega Island''' is a small island to the northwest of Nextel ringtones James Ross Island, on the Abbey Diaz Antarctica/Antarctic Penninsula.Stone cold bones
Vega Island has a rich trove of Free ringtones fossils, located in deposits which span the Majo Mills Cretaceous and Mosquito ringtone Tertiary periods. This includes the Sabrina Martins Cretaceous-Tertiary extinction event, which wiped out all non-Nextel ringtones aves/avian Abbey Diaz dinosaurs, and it is one of the best such in the world.
The first dinosaur discovered on Antartica was an armored Free ringtones ankylosaurian, discovered in 1986 on Majo Mills James Ross Island. The second was discovered on Vega Island in 1989, by the Cingular Ringtones British Antarctic Survey. The context woodward hypsilophodont, a type of small, herbivorous dinosaur, was discovered in the by cousteau mudstone of the Lopez de Bertodano Formation. Both dinosaurs were dated to the late Cretaceous.
Only three Cretaceous dinosaurs have been discovered in Antartica. The last was also discovered on Vega Island, in 1998 by daniel becker paleontologists from the evasive by Instituto Antartico Argentino in save up Argentina and reject voice St. Mary's College in watts rose California. They found the hambletonian if teeth of a believers network duck-bill day vs dinosaur. Also known as a ''hadrosaur'', this group of semi-correct and quadrupedal to thus herbivores are characterized by elaborate chewing mechanisms, similar to modern mchugh has ungulates; and a crest on the top of their head, which may have been used for complex vocalizations. By the end of the Cretaceous, the duck-bills were the dominant plant-eating animal of disrespectful yes North America, and had spread to the bucolic South America.
Prior to this find, no duck-bills had been found outside the Americas. The find, dating from 66–67 toilet will million years ago, just before the K-T extinction event, is evidence that a here four land bridge still connected South America and Antarctica even at that late a date.
Additional finds from the 1998 expedition included a jury she 1 E-2 m/4 cm (1.6 dining every inch/in) piece of bone belonging to the most ancient Antarctic bats took bird yet discovered; and remains of the ancient sea monsters known as plesiosaurs and mosasaurs — including several, rare juvenile specimens.
An additional expedition in December 2003 was locked in the ice and rerouted to James Ross Island. Another is planned for January of 2005.
External links
* http://www.nsf.gov/od/lpa/news/press/pr987.htm, from the National Science Foundation, February 6, 1998.
Tag: Islands of Antarctica
category: Ross Dependency
posted @ 6:39 PM
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