A large igneous province could extrude roughly a million cubic kilometers of volcanic rocks over the span of a million years. “The scale of these volcanic provinces, I think, is very difficult ...

THE second volume of Prof. Johannsen's work on petrography is both a descriptive petrography of the quartz-bearing igneous rocks and an illustration of the author's proposed new method of ...

A DISCUSSION on the origin of igneous rocks was held in Section C (Geology) of the British Association at York on September 7. The discussion was opened by Prof. Arthur Holmes, who sketched out a ...

Together, retired earth science teachers Eugene Genova and Ron Russ travel far and wide searching for fossils.

In 1931, the Lafayette meteorite was rediscovered in a drawer at Purdue University. Since then, it has become a focus for ...

Dissolved carbon dioxide may have bubbled up from magma far below Earth's surface, contributing to prolonged warming.

Mars was a frigid, dry, dead world, just like it is now. Something slammed into the unfortunate planet, sending debris into ...

Many kids and some adults enjoy collecting rocks. I still enjoy it but now I only look for rocks that indicate mineral ...

Obsidian is perhaps best known in its role as the dark black blade atop ancient spears and axes – but what if we wanted to ...

"We're constantly finding new minerals, because we're exploring areas that might have conditions we didn't know about," Anderson said. There are three main types of rock — igneous, sedimentary and ...

The characteristics of the rocks that hold fossils can be as informative as the fossils themselves. There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all ...

The aim is to harness lava as it is flowing after an eruption and use the molten rock as eco-friendly architectural building ...