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Feldspars and Feldspathoids : Structures, Properties and Occurrences - W.L. Brown

Feldspars and Feldspathoids

Structures, Properties and Occurrences

By: W.L. Brown (Editor)

Hardcover Published: 30th September 1984
ISBN: 9789027718266
Number Of Pages: 542

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The feldspars form the most abundant group of minerals in the crust of the Earth and Moon and also occur in many meteo- rites. They playa fundamental role in all rock-forming processes at shallow depths, but are rare or absent from the upper mantle. Their detailed study is thus essential for the understan- ding of such varied processes as magma genesis and differentia- tion, metamorphism, al teration, erosion and sedimentation. This interest is show by the fact that two previous NATO Advanced Study Institutes on feldspars were held in Oslo in 1962 and in Manchester in 1972. The feldspars are particularly sui table for detailed studies, as they have very simple chemistry and develop some of the most complex microstructures known. The microstructures are often slow to form but are easily preserved, so that they are potentially extremely informative about the geological history of the rocks in which they occur. Furthermore, their study involves physical and chemical methods of increasing sophistication so that the results obtained are not always immediately understandable to research workers outside the field of modern mineralogy. Progress in knowledge about feldspars is probably slower in penetrating the fields of petrology and geochemistry than that on other mineral groups. For these reasons among others, i~ was particularly appropriate to hold a third NATO ASI on feldspars approximately ten years after the last one.

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`...a valuable addition to an important field of mineralogy.' Science, 229

Feldspars.- 1. Average Structures of Alkali and Plagioclase Feldspars : Systematics and Applications.- 2. Phase Relations of Plagioclase Feldspars.- 3. The Modulated Structure of the Intermediate Plagioclases and Its Change with Composition.- 4. Spectroscopy of Feldspars.- 5. Thermal Expansion of Alkali Feldspars.- 6. Mechanical Properties of Feldspars.- 7. The Exchange Equilibrium Distribution of Alkali and Alkaline-Earth Elements Between Feldspars and Hydrothermal Solutions.- 8. Alkali Feldspar Exsolution : Kinetics and Dependence on Alkali Interdiffusion.- 9. Feldspars and the Thermal History of Igneous Rocks.- 10. Transmission Electron Microscope Investigations of the Microstructures of Microclines.- 11. Massif Anorthosites : Another Partisan Review.- Feldspathoids.- 12. Feldspathoids : Their Average and Real Structures.- 13. Feldspathoid Stabilities and Phase Inversions - A Review.- 14. Chemistry, Occurrence and Paragenesis of Feldspathoids : A Review.

ISBN: 9789027718266
ISBN-10: 9027718261
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 542
Published: 30th September 1984
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.4 x 15.6  x 3.1
Weight (kg): 2.13