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单词 pink bed
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pink bed
pink bed n. Geology (originally) a pink-coloured bed of sandstone found in quarries in Dorset, England; (later also) any of various pink-coloured beds of sedimentary rock.
ΚΠ
1858 A. C. Ramsay et al. Descriptive Catal. Rock Specimens 80Pink Bed’, forming a part of the freestone series of the middle Purbeck.
1972 Countryman Autumn 62 ‘How many beds are there?’ I asked. ‘Well, there's “thornback”, “whitsun bed”, “rag”, and “pink bed”—depending on where the quarry is,’ he replied.
1990 Earth & Planetary Sci. Lett. 98 303 The white beds [in Italy] were probably deposited under the same conditions as the underlying pink beds.
2001 Geol. Soc. Amer. Abstr. with Programs 33 30 A..northeast extension of this trend would bring it to the southeast side of the Pink Beds pluton.
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