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- ...biozones, looks at the multiple taxa usually over three and monitor their FO and LO without necessarily having a relation between one another. H) Barren20 KB (2,916 words) - 21:04, 21 April 2022
- ...evear, 1988, Clay minerals for petroleum geologists and engineers: Society fo Economic Paleontologists and Mineralogists, Short Course Notes No. 22.</ref17 KB (2,356 words) - 19:24, 19 January 2022