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Water-supply --- Water utilities --- Effect of global warming on. --- Risk management. --- Water companies --- Public utilities --- Global warming

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As part of a multiyear study on climate-change decisionmaking under uncertainty, RAND researchers are working with water agencies in California to help them better understand how climate change might affect their systems and what actions they may need to take to address this challenge. This report documents the methods and observations used to preserve an archive of the study and provide a basis for refining the approach for future applications.

Water-supply --- Climatic changes. --- Management.

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This book reviews the geochemical and petrological characteristics of potassic igneous rock complexes, and investigates the different tectonic settings in which these rocks occur. The authors provide an overview and classification of these rocks and elucidate the geochemical differences between barren and mineralized potassic igneous complexes. High-K rocks host a number of epithermal gold and porphyry copper-gold deposits. In recent years, there has also been growing recognition of an association of such rocks with iron-oxide copper-gold (IOCG) deposits, intrusion-related gold deposits (IRGDs) and possibly even Carlin-type gold deposits. This book is not only relevant to academic petrologists working on alkaline rocks, but also to exploration geologists prospecting for epithermal gold and/or porphyry copper-gold deposits in modern and ancient terrains. This fourth, updated and expanded edition incorporates new data and references from Africa, Australia, Brazil, China, Greece, Iran, Mongolia, North America, Russia and Turkey, including new maps and sections and new color plates of high-grade gold-copper ore from major deposits hosted by potassic igneous rocks.

Mining Engineering --- Mechanical Engineering --- Engineering & Applied Sciences --- Igneous rocks. --- Gold ores. --- Copper ores. --- Eruptive rocks --- Igneous petrology --- Igneous rocks --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Petrology --- Ores --- Rocks --- Mineral resources. --- Geochemistry. --- Mineralogy. --- Mineral Resources. --- Physical geology --- Crystallography --- Minerals --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Deposits, Mineral --- Mineral deposits --- Mineral resources --- Mines and mining --- Mining --- Natural resources --- Geology, Economic

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This book reviews the geochemical and petrological characteristics of potassic igneous rock complexes, and investigates the various tectonic settings in which these rocks occur. The authors provide an overview and classification of these rocks and elucidate the geochemical differences between barren and mineralized potassic igneous complexes. High-K rocks are genetically associated with a number of epithermal gold and porphyry copper-gold deposits. In recent years, there has also been growing recognition of an association of such rocks with iron-oxide copper-gold (IOCG) deposits, intrusion-related gold deposits (IRGDs) and Carlin-type gold deposits. This fifth updated and expanded edition incorporates new data and references from world-class copper and gold deposits worldwide. It also includes the latest publications on the petrogenesis of high-K magmatism and related mineral deposits. Numerous new representative ore photographs of the mineral deposits described are also included in the new edition. As such, the book offers a valuable guide not only for academic petrologists working on alkaline rocks, but also for exploration geologists prospecting for epithermal gold and/or porphyry copper-gold deposits in modern and ancient terrains.

Igneous rocks. --- Gold ores. --- Mineral resources. --- Geochemistry. --- Mineral Resources. --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Deposits, Mineral --- Mineral deposits --- Mineral resources --- Mines and mining --- Mining --- Natural resources --- Geology, Economic --- Minerals --- Ores --- Eruptive rocks --- Igneous petrology --- Igneous rocks --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Petrology