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| stra·tig·ra·phy [ strə tíggrəfee ] (plural stra·tig·ra·phies) |
noun |
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| Definition: |
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1. study of rock strata: the study of the origin, composition, and development of rock strata
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2. disposition of rock strata: the way in which rock strata are arranged, and the chronology of their formation
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3. archaeology vertical section through ground: a section cut vertically through the Earth showing its different layers and allowing artefacts to be dated according to the layers in which they are found
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| [Mid-19th century. <stratum] |
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  stra·tig·ra·pher noun |
| stra·ti·graph·ist noun |
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