Lava Tubes

Some articles on lava, lava tubes, lava tube:

Geology Of Venus - Lava Flows and Channels
... Lava flows on Venus are often much larger than Earth's, up to several hundred kilometres long and tens of kilometres wide ... It is still unknown why these lava fields or lobate flows reach such sizes, but it is suggested that they are the result of very large eruptions of basaltic, low-viscosity ... On Earth, there are two known types of basaltic lava ʻAʻa and Pāhoehoe ...
Colonization Of The Moon - Locations - Lunar Lava Tubes
... Lunar lava tubes are a potential location for constructing a Lunar base ... Any intact lava tube on the moon could serve as a shelter from the severe environment of the Lunar surface, with its frequent meteorite impacts, high-energy ultra-violet radiation and ... Lava tubes provide ideal positions for shelter because of their access to nearby resources ...
Lava Landforms - Lava Tubes
... Lava tubes are formed when a flow of relatively fluid lava cools on the upper surface sufficiently to form a crust ... which being made of rock is an excellent insulator, the lava can continue to flow as a liquid ... When this flow occurs over a prolonged period of time the lava conduit can form a tunnel-like aperture or lava tube, which can conduct molten rock many ...
Daikon Island
... Daikon Island is a shield volcano, a type of volcano composed of fluid lava flows ... of the island undulates slightly, and consists of a lava plateau ... Daikon Island in the Osoe district there are lava tubes of up 200 metres (660 ft)) ...
Northern Cordilleran Volcanic Province - Geology - Geologic Features
... are considerably larger than the encircling matrix, are commonly found in lava flows throughout the Northern Cordilleran Volcanic Province ... Lava tubes are widespread in the Northern Cordilleran Volcanic Province, and are typically basaltic in composition ... At the Level Mountain Range, lava tubes reach diameters of 1 m (3.3 ft) to 2 m (6.6 ft) ...

Famous quotes containing the word lava:

    We walk on molten lava on which the claw of a fly or the fall of a hair makes its impression, which being received, the mass hardens to flint and retains every impression forevermore.
    Ralph Waldo Emerson (1803–1882)