Electrical properties of the earth’s crust

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• 责任者：Unknown
• 责任方式：Unknown
• 出版者：s. n.
• 出版年：1874
• 出版地：s. l.
• 出版日期：1874/1/1 0:00:00
• 分类号：262
• 语言：English

摘要

Such a duct may in fact exist. The conductivity of rocks tends to decrease with depth near the earth’s surface, as overburden pressure reduce the amount of pore space which may be filled with water(in near-surface rocks, it is the water which renders a rock conductive).