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A fact from Laura J. Crossey appeared on Wikipedia's Main Page in the Did you know column on 6 August 2022 (check views). The text of the entry was as follows:
Did you know... that Laura J. Crossey has shown that travertines(example pictured) are more likely to form when meteoric groundwater mixes with deeper groundwater from the Earth's mantle?
The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
Travertine formations in Grand Canyon National Park
... that Laura J. Crossey has shown that travertines (pictured) are more likely to form when meteoric groundwater mixes with deeper groundwater from the earth's mantle? Source: Cook, Terri; Abbott, Lon (May 30, 2018). "Travels in Geology: Havasu Canyon: Land of blue-green water". www.earthmagazine.org : "Laura Crossey recently determined that travertine formation is strongly favored when groundwater originally sourced from rain or snowmelt (known as meteoric groundwater) mixes with much deeper groundwater that has risen up from the mantle. "
Nice work Mary Mark Ockerbloom! Article meets length and citation requirements, nice illustration to accompany the DYK, and I found it interesting. DYK fact is adequately supported by the reference. JamieF (talk) 02:34, 11 July 2022 (UTC)[reply]