K H Williford
Overview
Explore the profile of K H Williford including associated specialties, affiliations and a list of published articles.
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Articles
6
Citations
78
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0
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Recent Articles
1.
Liu Y, Tice M, Schmidt M, Treiman A, Kizovski T, Hurowitz J, et al.
Science
. 2022 Aug;
377(6614):1513-1519.
PMID: 36007094
The geological units on the floor of Jezero crater, Mars, are part of a wider regional stratigraphy of olivine-rich rocks, which extends well beyond the crater. We investigated the petrology...
2.
Farley K, Stack K, Shuster D, Horgan B, Hurowitz J, Tarnas J, et al.
Science
. 2022 Aug;
377(6614):eabo2196.
PMID: 36007009
The Perseverance rover landed in Jezero crater, Mars, to investigate ancient lake and river deposits. We report observations of the crater floor, below the crater's sedimentary delta, finding that the...
3.
Mangold N, Gupta S, Gasnault O, Dromart G, Tarnas J, Sholes S, et al.
Science
. 2021 Oct;
374(6568):711-717.
PMID: 34618548
Observations from orbital spacecraft have shown that Jezero crater on Mars contains a prominent fan-shaped body of sedimentary rock deposited at its western margin. The Perseverance rover landed in Jezero...
4.
McMahon S, Bosak T, Grotzinger J, Milliken R, Summons R, Daye M, et al.
J Geophys Res Planets
. 2018 Jul;
123(5):1012-1040.
PMID: 30034979
The Martian surface is cold, dry, exposed to biologically harmful radiation and apparently barren today. Nevertheless, there is clear geological evidence for warmer, wetter intervals in the past that could...
5.
Williford K, Ushikubo T, Lepot K, Kitajima K, Hallmann C, Spicuzza M, et al.
Geobiology
. 2015 Oct;
14(2):105-28.
PMID: 26498593
An approach to coordinated, spatially resolved, in situ carbon isotope analysis of organic matter and carbonate minerals, and sulfur three- and four-isotope analysis of pyrite with an unprecedented combination of...
6.
Mahaffy P, Webster C, Stern J, Brunner A, Atreya S, Conrad P, et al.
Science
. 2014 Dec;
347(6220):412-4.
PMID: 25515119
The deuterium-to-hydrogen (D/H) ratio in strongly bound water or hydroxyl groups in ancient martian clays retains the imprint of the water of formation of these minerals. Curiosity's Sample Analysis at...