Igneous intrusions are a type of rock feature. They form when molten rock cools below the surface of the Earth. Join Isla and Connor as they explore igneous rock landscape features at Traprain Law ...

It was the opinion of Darwin, that the volcanic districts of the world had earthy crusts resting on lakes of igneous melted matter. Humboldt believes that the volcanic region of Quito, in South ...

THE direction of remanent magnetization of igneous rocks has recently been examined in detail 1 in order to investigate the secular variation in the geomagnetic field, and its relation to the ...

An igneous rock has come to be regarded, more constantly than before, not merely as a mineral-aggregate, but as-the product of consolidation of a molten rock-magma; and consideration has been ...

One of the primary mission objectives is to search for signs of ancient microbial life on Mars, and igneous rocks and ...

A grimoire that casts a spell, upon being read. Usable even by those incapable of magick. lnvokes Fire Boon, which enchants weapons with fire. 500 ...