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单词 Intrusive sheet
释义

Intrusive sheet

英语百科

Sheet intrusion

(重定向自Intrusive sheet)
A sill of monzonite intrudes Cambrian carbonate bedrock, near Notch Peak, Utah.

A sheet intrusion, or tabular intrusion, is a planar sheet of roughly the same thickness, that forms inside a pre-existing rock. When it cuts into another unlayered mass, or across layers, it is called a "dike". When it is formed between layers in a layered rock mass, it is called a "sill".

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更新时间:2025/6/18 6:13:30