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Microbially influenced formation of Neoarchean ooids.
Flannery DT, Allwood AC, Hodyss R, Summons RE, Tuite M, Walter MR, Williford KH. Flannery DT, et al. Among authors: williford kh. Geobiology. 2019 Mar;17(2):151-160. doi: 10.1111/gbi.12321. Epub 2018 Nov 18. Geobiology. 2019. PMID: 30450841
Sulfur-cycling fossil bacteria from the 1.8-Ga Duck Creek Formation provide promising evidence of evolution's null hypothesis.
Schopf JW, Kudryavtsev AB, Walter MR, Van Kranendonk MJ, Williford KH, Kozdon R, Valley JW, Gallardo VA, Espinoza C, Flannery DT. Schopf JW, et al. Among authors: williford kh. Proc Natl Acad Sci U S A. 2015 Feb 17;112(7):2087-92. doi: 10.1073/pnas.1419241112. Epub 2015 Feb 2. Proc Natl Acad Sci U S A. 2015. PMID: 25646436 Free PMC article.
Reply to Dvořák et al.: Apparent evolutionary stasis of ancient subseafloor sulfur cycling biocoenoses.
Schopf JW, Kudryavtsev AB, Walter MR, Van Kranendonk MJ, Williford KH, Kozdon R, Valley JW, Gallardo VA, Espinoza C, Flannery DT. Schopf JW, et al. Among authors: williford kh. Proc Natl Acad Sci U S A. 2015 May 19;112(20):E2560. doi: 10.1073/pnas.1503754112. Epub 2015 Apr 20. Proc Natl Acad Sci U S A. 2015. PMID: 25902537 Free PMC article. No abstract available.
A Field Guide to Finding Fossils on Mars.
McMahon S, Bosak T, Grotzinger JP, Milliken RE, Summons RE, Daye M, Newman SA, Fraeman A, Williford KH, Briggs DEG. McMahon S, et al. Among authors: williford kh. J Geophys Res Planets. 2018 May;123(5):1012-1040. doi: 10.1029/2017JE005478. Epub 2018 May 24. J Geophys Res Planets. 2018. PMID: 30034979 Free PMC article. Review.
Photogeologic Map of the Perseverance Rover Field Site in Jezero Crater Constructed by the Mars 2020 Science Team.
Stack KM, Williams NR, Calef F 3rd, Sun VZ, Williford KH, Farley KA, Eide S, Flannery D, Hughes C, Jacob SR, Kah LC, Meyen F, Molina A, Nataf CQ, Rice M, Russell P, Scheller E, Seeger CH, Abbey WJ, Adler JB, Amundsen H, Anderson RB, Angel SM, Arana G, Atkins J, Barrington M, Berger T, Borden R, Boring B, Brown A, Carrier BL, Conrad P, Dypvik H, Fagents SA, Gallegos ZE, Garczynski B, Golder K, Gomez F, Goreva Y, Gupta S, Hamran SE, Hicks T, Hinterman ED, Horgan BN, Hurowitz J, Johnson JR, Lasue J, Kronyak RE, Liu Y, Madariaga JM, Mangold N, McClean J, Miklusicak N, Nunes D, Rojas C, Runyon K, Schmitz N, Scudder N, Shaver E, SooHoo J, Spaulding R, Stanish E, Tamppari LK, Tice MM, Turenne N, Willis PA, Yingst RA. Stack KM, et al. Among authors: williford kh. Space Sci Rev. 2020 Nov 3;216(8):127. doi: 10.1007/s11214-020-00739-x. eCollection 2020 Dec. Space Sci Rev. 2020. PMID: 33568875 Free PMC article.
Aqueously altered igneous rocks sampled on the floor of Jezero crater, Mars.
Farley KA, Stack KM, Shuster DL, Horgan BHN, Hurowitz JA, Tarnas JD, Simon JI, Sun VZ, Scheller EL, Moore KR, McLennan SM, Vasconcelos PM, Wiens RC, Treiman AH, Mayhew LE, Beyssac O, Kizovski TV, Tosca NJ, Williford KH, Crumpler LS, Beegle LW, Bell JF 3rd, Ehlmann BL, Liu Y, Maki JN, Schmidt ME, Allwood AC, Amundsen HEF, Bhartia R, Bosak T, Brown AJ, Clark BC, Cousin A, Forni O, Gabriel TSJ, Goreva Y, Gupta S, Hamran SE, Herd CDK, Hickman-Lewis K, Johnson JR, Kah LC, Kelemen PB, Kinch KB, Mandon L, Mangold N, Quantin-Nataf C, Rice MS, Russell PS, Sharma S, Siljeström S, Steele A, Sullivan R, Wadhwa M, Weiss BP, Williams AJ, Wogsland BV, Willis PA, Acosta-Maeda TA, Beck P, Benzerara K, Bernard S, Burton AS, Cardarelli EL, Chide B, Clavé E, Cloutis EA, Cohen BA, Czaja AD, Debaille V, Dehouck E, Fairén AG, Flannery DT, Fleron SZ, Fouchet T, Frydenvang J, Garczynski BJ, Gibbons EF, Hausrath EM, Hayes AG, Henneke J, Jørgensen JL, Kelly EM, Lasue J, Le Mouélic S, Madariaga JM, Maurice S, Merusi M, Meslin PY, Milkovich SM, Million CC, Moeller RC, Núñez JI, Ollila AM, Paar G, Paige DA, Pedersen DAK, Pilleri P, Pilorget C, Pinet PC, Rice JW Jr, Royer C, Sautter V, Schulte M, Sephton… See abstract for full author list ➔ Farley KA, et al. Among authors: williford kh. Science. 2022 Sep 30;377(6614):eabo2196. doi: 10.1126/science.abo2196. Epub 2022 Sep 30. Science. 2022. PMID: 36007009
27 results