Next to the gargantuan Airdevronsix icefall is located one more giant icefall – the 920 m wide and 400 m tall Warren icefall.
Map of the site
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Just like Airdevonsrix icefall, Warren icefall has formed in a location where the giant East Antarctic ice sheet pours (because ice is slow-flowing liquid) in McMurdo Dry Valleys. Here a dolerite sill (intrusion of sturdy rocks) in the Jurassic period broke through the Devonian – Triassic sandstone. This hard rock resists the force of glaciers and as a result, has formed this giant step with a 400 m tall, vertical wall.
Upper rim of falls is at the height of 1,550 m above sea level. Lower reaches of icefall are not even but in general are some 1150 above the sea level – thus the assumed height of icefall is approximately 400 m.
Airdevronsix icefalls together with Warren falls form one of the most magnificent sights on our planet.
- GigaPan image by Zbigniew Malolepszy, 2010. Warren Icefall is seen on the left side.
- Jackie Grom, Ancient Ecosystem Discovered Beneath Antarctic Glacier. Science, April 16, 2009.
Antarctica is an unusual continent, little known to general people and comparatively little investigated. Here are missing numerous kinds of landmarks common in all other continents of the world – but this is compensated by several kinds of landmarks unique to Antarctica.
Antarctica and Sub-antarctic islands were the last part of Earth that was reached and explored by humans. The harsh climate prevents habitation of these lands except for Tristan da Cunha island that has much milder weather.
This is the largest wilderness region in the world with countless natural attractions that are not mentioned in any tourist guidebooks or Internet pages.
Some of the most fascinating and awe-inspiring natural monuments are waterfalls or locations where a river abruptly changes its elevation.