Petrology is a required subject of study in a majority of geology programs in the United States and is an integral part of geology curricula in Canada and elsewhere in the world. The subject merits this important position because rocks make up much of the Earth. Furthermore, many subdisciplines in geology incorporate petrologic knowledge. Thus, petrology provides the foundation for the study of the Earth and its history. 

Petrophysics is the study of rock properties and their interactions with fluids (gases, liquid hydrocarbons and aqueous solutions). Because petroleum reservoir rocks must have porosity and permeability, we are most interested in the properties of porous and permeable rocks. The purpose of this text is to provide a basic understanding of the physical properties of permeable geologic rocks and the interactions of the various fluids with their interstitial surfaces. Particular emphasis is placed on the transport properties of the rocks for single phase and multiphase flow. <...>

This book has been written for those studying petroleum geology or engineering, for whom the role of the petrophysicist can become a lucrative and satisfying career. The handbook will be equally useful to students and practioners of environmental science and hydrogeology, where the understanding of groundwater flow is an important part of their technical remit.

The Asian continent formed during the past 800 m.y. during late Neoproterozoic through Jurassic closure of the Tethyan ocean basins, followed by late Mesozoic circum-Pacific and Cenozoic Himalayan orogenies. The oldest gold deposits in Asia reflect accretionary events along the margins of the Siberia, Kazakhstan, North China, Tarim–Karakum, South China, and Indochina Precambrian blocks while they were isolated within the Paleotethys and surrounding Panthalassa Oceans. Orogenic gold deposits are associated with large-scale, terrane-bounding fault systems and broad areas of deformation that existed along many of the active margins of the Precambrian blocks. Deposits typically formed during regional transpressional to transtensional events immediately after to as much as 100 m.y. subsequent to the onset of accretion or collision. Major orogenic gold provinces associated with this growth of the Asian continental mass include: