IN the middle of the last century much interest was shown in the problem of the genesis of igneous rocks, and especially in the manner of origin of diverse rock-types from a common stock or from a ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...

Origin and properties of igneous, metamorphic, and sedimentary rocks. The rock cycle is used as a unifying concept. The role of rock properties in environmental, economic, and engineering applications ...

Building upon the award-winning second edition, this comprehensive textbook provides a fundamental understanding of the formative processes of igneous and metamorphic rocks. Encouraging a deeper ...

With our ideas of volcanoes we always associate the grand and the terrible ; and a volcanic eruption—a huge piece of artillery, with a mouth perhaps miles in circumference, shooting up rocks and ...

All Earth Science students need to understand the origins, environments, and basic processes that produce igneous and metamorphic rocks. This concise introductory textbook provides students with the ...

Pockets of microbes have been found living within a sealed fracture in a 2-billion-year-old rock. The rock was excavated from ...

It shows a curious fracture surface due to a heavy gelignite detonation in finely crystalline “trap” rock. So far as I can remember I had seen other examples of this phenomenon, but ...

First Phosphate believes that Quebec igneous anorthosite phosphate rock is an untapped source of high purity phosphate which ...

Microbes -- alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface ...

The body of water resides deep under the surface of Mars within fractured igneous rocks ... The rock physics models are the ...

Scientists drilling in South Africa made an unexpected discovery when they cracked open an ancient rock - and it could hold ...