Noun
(plural marker beds)
- (geology) A rock unit with distinctive stratigraphic features which can be traced over a wide area.
marker-bed
English Wiktionary. Available under CC-BY-SA license.
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"marker-bed." YourDictionary, n.d. Web. 19 January 2019. <https://www.yourdictionary.com/marker-bed>.
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marker-bed. (n.d.). Retrieved January 19th, 2019, from https://www.yourdictionary.com/marker-bed
