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Extension (geology) : ウィキペディア英語版 | Extensional tectonics Extensional tectonics is concerned with the structures formed, and the tectonic processes associated with, the stretching of the crust or lithosphere. ==Deformation styles== The types of structure and the geometries formed depend on the amount of stretching involved. Stretching is generally measured using the parameter , known as the ''beta factor'' where , is the initial crustal thickness and is the final crustal thickness. It is also the equivalent of the strain parameter ''stretch''.〔(Park, R.G. 1997. Foundations of Structural Geology. 3rd edition, Routledge, 216pp. )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Extensional tectonics」の詳細全文を読む
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