Oilfield Glossary
Oilfield Glossary
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lamination

Relative thicknesses of laminations, beds and strata
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1. n. [Geology]
A fine layer (~ 1 mm thick) in strata, also called a lamina, common in fine-grained sedimentary rocks such as shale, siltstone and fine sandstone. A sedimentary bed comprises multiple laminations, or laminae.