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Items: 6

1.

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.

J Geophys Res Planets. 2018 May;123(5):1012-1040. doi: 10.1029/2017JE005478. Epub 2018 May 24. Review.

2.

Biological regulation of atmospheric chemistry en route to planetary oxygenation.

Izon G, Zerkle AL, Williford KH, Farquhar J, Poulton SW, Claire MW.

Proc Natl Acad Sci U S A. 2017 Mar 28;114(13):E2571-E2579. doi: 10.1073/pnas.1618798114. Epub 2017 Mar 13.

3.

Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates.

Williford KH, Ushikubo T, Lepot K, Kitajima K, Hallmann C, Spicuzza MJ, Kozdon R, Eigenbrode JL, Summons RE, Valley JW.

Geobiology. 2016 Mar;14(2):105-28. doi: 10.1111/gbi.12163. Epub 2015 Oct 24.

PMID:
26498593
4.

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.

Proc Natl Acad Sci U S A. 2015 May 19;112(20):E2560. doi: 10.1073/pnas.1503754112. Epub 2015 Apr 20. No abstract available.

5.

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.

Proc Natl Acad Sci U S A. 2015 Feb 17;112(7):2087-92. doi: 10.1073/pnas.1419241112. Epub 2015 Feb 2.

6.

Mars atmosphere. The imprint of atmospheric evolution in the D/H of Hesperian clay minerals on Mars.

Mahaffy PR, Webster CR, Stern JC, Brunner AE, Atreya SK, Conrad PG, Domagal-Goldman S, Eigenbrode JL, Flesch GJ, Christensen LE, Franz HB, Freissinet C, Glavin DP, Grotzinger JP, Jones JH, Leshin LA, Malespin C, McAdam AC, Ming DW, Navarro-Gonzalez R, Niles PB, Owen T, Pavlov AA, Steele A, Trainer MG, Williford KH, Wray JJ; MSL Science Team.

Science. 2015 Jan 23;347(6220):412-4. doi: 10.1126/science.1260291. Epub 2014 Dec 16.

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