Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars

D. W. Ming; P.D. Archer Jr.; D.P. Glavin; J.L. Eigenbrode; H.B. Franz; B. Sutter; A.E. Brunner; J. C. Stern; C. Freissinet; A.C. McAdam; P.R. Mahaffy; M. Cabane; P. Coll; J.L. Campbell; S.K. Atreya; P.B. Niles; J.F. Bell III; D.L. Bish; W.B. Brinckerhoff; A. Buch; P.G. Conrad; D.J. Des Marais; B.L. Ehlmann; A.G. Fairén; K. Farley; G.J. Flesch; P. Francois; Ralf Gellert; J. A. Grant; J.P. Grotzinger; S. Gupta; Kenneth E. Herkenhoff; J.A. Hurowitz; L.A. Leshin; K.W. Lewis; S. M. McLennan; Karl E. Miller; J. Moersch; R.V. Morris; R. Navarro- González; A.A. Pavlov; G.M. Perrett; I. Pradler; S. W. Squyres; Roger E. Summons; A. Steele; E.M. Stolper; D.Y. Sumner; C. Szopa; S. Teinturier; M.G. Trainer; A.H. Treiman; D. T. Vaniman; A.R. Vasavada; C.R. Webster; J.J. Wray; R.A. Yingst

doi:10.1126/science.1245267

Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars

Science

By: D. W. Ming, P.D. Archer Jr., D.P. Glavin, J.L. Eigenbrode, H.B. Franz, B. Sutter, A.E. Brunner, J. C. Stern, C. Freissinet, A.C. McAdam, P.R. Mahaffy, M. Cabane, P. Coll, J.L. Campbell, S.K. Atreya, P.B. Niles, J.F. Bell III, D.L. Bish, W.B. Brinckerhoff, A. Buch, P.G. Conrad, D.J. Des Marais, B.L. Ehlmann, A.G. Fairén, K. Farley, G.J. Flesch, P. Francois, Ralf Gellert, J. A. Grant, J.P. Grotzinger, S. Gupta, Kenneth E. Herkenhoff, J.A. Hurowitz, L.A. Leshin, K.W. Lewis, S. M. McLennan, Karl E. Miller, J. Moersch, R.V. Morris, R. Navarro- González, A.A. Pavlov, G.M. Perrett, I. Pradler, S. W. Squyres, Roger E. Summons, A. Steele, E.M. Stolper, D.Y. Sumner, C. Szopa, S. Teinturier, M.G. Trainer, A.H. Treiman, D. T. Vaniman, A.R. Vasavada, C.R. Webster, J.J. Wray, and R.A. Yingst

https://doi.org/10.1126/science.1245267

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Abstract

H₂O, CO₂, SO₂, O₂, H₂, H₂S, HCl, chlorinated hydrocarbons, NO, and other trace gases were evolved during pyrolysis of two mudstone samples acquired by the Curiosity rover at Yellowknife Bay within Gale crater, Mars. H₂O/OH-bearing phases included 2:1 phyllosilicate(s), bassanite, akaganeite, and amorphous materials. Thermal decomposition of carbonates and combustion of organic materials are candidate sources for the CO₂. Concurrent evolution of O₂ and chlorinated hydrocarbons suggests the presence of oxychlorine phase(s). Sulfides are likely sources for sulfur-bearing species. Higher abundances of chlorinated hydrocarbons in the mudstone compared with Rocknest windblown materials previously analyzed by Curiosity suggest that indigenous martian or meteoritic organic carbon sources may be preserved in the mudstone; however, the carbon source for the chlorinated hydrocarbons is not definitively of martian origin.

Suggested Citation

Ming, D.W., Archer, P., Glavin, D., Eigenbrode, J., Franz, H., Sutter, B., Brunner, A., Stern, J.C., Freissinet, C., McAdam, A., Mahaffy, P., Cabane, M., Coll, P., Campbell, J., Atreya, S., Niles, P., Bell, J., Bish, D., Brinckerhoff, W., Buch, A., Conrad, P., Des Marais, D., Ehlmann, B., Fairén, A., Farley, K., Flesch, G., Francois, P., Gellert, R., Grant, J.A., Grotzinger, J., Gupta, S., Herkenhoff, K.E., Hurowitz, J., Leshin, L., Lewis, K., McLennan, S.M., Miller, K., Moersch, J., Morris, R., Navarro- González, R., Pavlov, A., Perrett, G., Pradler, I., Squyres, S.W., Summons, R.E., Steele, A., Stolper, E., Sumner, D., Szopa, C., Teinturier, S., Trainer, M., Treiman, A., Vaniman, D.T., Vasavada, A., Webster, C., Wray, J., Yingst, R., 2014, Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars: Science, v. 343, no. 6169, 10 p., https://doi.org/10.1126/science.1245267.

Additional publication details
Publication type	Article
Publication Subtype	Journal Article
Title	Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars
Series title	Science
DOI	10.1126/science.1245267
Volume	343
Issue	6169
Year Published	2014
Language	English
Publisher	American Association for the Advancement of Science
Contributing office(s)	Astrogeology Science Center
Description	10 p.
Larger Work Type	Article
Larger Work Subtype	Journal Article
Larger Work Title	Science
Other Geospatial	Gale Crater;Mars;Yellowknife Bay