User talk:John osas

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Happy editing! Vsmith (talk) 03:10, 22 June 2021 (UTC)

I've removed your recent addition from the stratigraphy article. It was rather poorly written and unsourced. The article could use a section covering the use of various isotopes and isotopic ratios is stratigraphic studies. I would suggest that you find some good references and add a section to the article. However, a brief sentence in the lead with no follow-up later in the article is inadequate. Thank you, Vsmith (talk) 03:10, 22 June 2021 (UTC)