The mass of granite likely formed from unerupted lava cooling below the ancient volcano ... which is why we really don’t see that type of rock on other planets,” said Professor Stephen ...

Lavacicles, a common feature, are squeezed out of a lava tube’s roof by gases under high pressure and then cooled mid-drip. The gooey appearance of a rock wall in Manu Nui cave was formed when ...

Rocks also differ based on how they were formed. Igneous rocks form out of cooling lava or magma. Sedimentary rocks develop from eroded grains of other rocks and organic matter. Metamorphic rocks ...

If such a highly porous rock have a space underneath, a fresh deposit of liquid lava will trickle through the porous cooled lava, forming as it solidifies the pendant stalactites shown in the ...

One way to find water worlds beyond our solar system could be to look for minerals — or more specifically, to study minerals mixed with cool lava on exoplanet surfaces. This is because if water ...

Fessic magma stays deeper in the crust and cools into intrusive rocks such as granite and granodiorite. If it rises into a magma chamber, its viscosity may make it difficult to move. Volcanic rock and ...