Download presentation
Presentation is loading. Please wait.
1
Mount Erebus
2
A lava flow spilled out of the lava lake on the right side of the image. Final flow length is approximately 20 meters.
3
Quick Facts Location: Antarctica, Ross Island on Ross sea
Age: less than one million years old Elevation: 12,444 feet, 3,794 m Coordinates: 77.5S, 167.2E
4
Small ash eruption from central vent.
5
A quick succession of two small strombolian eruptions from main lava lake. This eruption sequence is very similar to another eruption earlier.
6
More Info Erebus is an active volcano with a convecting lava lake within a summit. It has been continuously active since 1972. Most eruptions are small and stombolian in character.
8
Lava Composition The lava within the lava lake is alkalic in composition. Specifically, it is called anorthoclase phonolite. Anorthoclase is a feldspar mineral. Phonolite refers to rocks made of the minerals alkali feldspar and nepheline. Alkalic lava is common in rift volcanoes.
10
Works Cited Volcano world: http://volcano.und.edu/
Mt. Erebus Volcano Observatory:
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.