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单词
pell-mell structure
释义
pell-mell structure
pell-mell structure
[
′pel¦mel ′strək·chər
]
(geology)
A sedimentary structure characterized by absence of bedding in a coarse deposit of waterworn material; it may occur where deposition is too rapid for sorting or where slumping has destroyed the layered arrangement.
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更新时间:2024/11/11 14:02:05