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Synopsis
This book explores the early volcanic breccias near Ebbetts Pass in Alpine County, California, with a focus on their propylitization—a process that involves the alteration of volcanic rocks by hydrothermal solutions. The author provides a detailed description of the secondary mineralogy of the propylitized rocks, discussing variations in the type and proportions of secondary minerals replacing the same primary mineral. These variations are attributed to differences in the original composition of the primary minerals, local changes in the composition of the altering solutions, and an apparent effect due to the way thin sections are cut. Delving into the broader context of propylitization, the author explores the role of ground water in the process, arguing that it played an important part, especially as a medium through which heat and CO2 were transferred to the altered rocks. The author also considers other hypotheses for the cause of propylitization, including autohydration, hydrothermal alteration by solutions derived from unerupted magma, and hydrothermal alteration by ore-bearing solutions. The author concludes by emphasizing the significance of this study for understanding the processes involved in propylitization and their implications for the formation of mineral deposits.
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Propylitization of Tertiary Volcanic Rocks Near Ebbetts Pass, Alpine County
Print on DemandSeller: Forgotten Books, London, United Kingdom
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Paperback. Condition: New. Print on Demand. This book explores the early volcanic breccias near Ebbetts Pass in Alpine County, California, with a focus on their propylitizationâ"a process that involves the alteration of volcanic rocks by hydrothermal solutions. The author provides a detailed description of the secondary mineralogy of the propylitized rocks, discussing variations in the type and proportions of secondary minerals replacing the same primary mineral. These variations are attributed to differences in the original composition of the primary minerals, local changes in the composition of the altering solutions, and an apparent effect due to the way thin sections are cut. Delving into the broader context of propylitization, the author explores the role of ground water in the process, arguing that it played an important part, especially as a medium through which heat and CO2 were transferred to the altered rocks. The author also considers other hypotheses for the cause of propylitization, including autohydration, hydrothermal alteration by solutions derived from unerupted magma, and hydrothermal alteration by ore-bearing solutions. The author concludes by emphasizing the significance of this study for understanding the processes involved in propylitization and their implications for the formation of mineral deposits. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781528528658_0
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Propylitization of Tertiary Volcanic Rocks Near Ebbetts Pass, Alpine County, California (Classic Reprint)
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781528528658
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Propylitization of Tertiary Volcanic Rocks Near Ebbetts Pass, Alpine County, California (Classic Reprint)
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781528528658
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