An evaporite sequence from ancient brine recorded in Bennu samples

被引：11

作者：

Mccoy, T. J. ^{[1
]}

Russell, S. S. ^{[2
]}

Zega, T. J. ^{[3
]}

Thomas-Keprta, K. L. ^{[4
]}

Singerling, S. A. ^{[5
]}

Brenker, F. E. ^{[5
]}

Timms, N. E. ^{[6
]}

Rickard, W. D. A. ^{[7
]}

Barnes, J. J. ^{[3
]}

Libourel, G. ^{[8
]}

Ray, S. ^{[1
,27
]}

Corrigan, C. M. ^{[1
]}

Haenecour, P. ^{[3
]}

Gainsforth, Z. ^{[9
]}

Dominguez, G. ^{[10
]}

King, A. J. ^{[2
]}

Keller, L. P. ^{[11
]}

Thompson, M. S. ^{[12
]}

Sandford, S. A. ^{[13
]}

Jones, R. H. ^{[14
]}

Yurimoto, H. ^{[15
]}

Righter, K. ^{[11
,16
]}

Eckley, S. A. ^{[4
]}

Bland, P. A. ^{[6
]}

Marcus, M. A. ^{[17
]}

Dellagiustina, D. N. ^{[3
]}

Ireland, T. R. ^{[18
]}

Almeida, N. V. ^{[2
]}

Harrison, C. S. ^{[2
]}

Bates, H. C. ^{[2
]}

Schofield, P. F. ^{[2
]}

Seifert, L. B. ^{[11
]}

Sakamoto, N. ^{[19
]}

Kawasaki, N. ^{[15
]}

Jourdan, F. ^{[6
,7
]}

Reddy, S. M. ^{[6
]}

Saxey, D. W. ^{[7
]}

Ong, I. J. ^{[3
]}

Prince, B. S. ^{[3
]}

Ishimaru, K. ^{[3
]}

Smith, L. R. ^{[3
]}

Benner, M. C. ^{[3
]}

Kerrison, N. A. ^{[3
]}

Portail, M. ^{[20
]}

Guigoz, V. ^{[20
]}

Zanetta, P. -m. ^{[21
]}

Wardell, L. R. ^{[1
]}

Gooding, T. ^{[1
]}

Rose, T. R. ^{[1
]}

Salge, T. ^{[2
]}

机构：

[1] Smithsonian Inst, Dept Mineral Sci, Natl Museum Nat Hist, Washington, DC 20560 USA

[2] Nat Hist Museum, Planetary Mat Grp, London, England

[3] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ USA

[4] NASA, Johnson Space Ctr, Jacobs Technol, Houston, TX USA

[5] Klinikum DJW Goethe Univ, Schwiete Cosmochem Lab, Frankfurt, Germany

[6] Curtin Univ, Space Sci & Technol Ctr, Sch Earth & Planetary Sci, Perth, WA, Australia

[7] Curtin Univ, John de Laeter Ctr, Perth, WA, Australia

[8] Univ Cote Azur, Observ Cote Azur, CNRS, Lab Lagrange, Nice, France

[9] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA USA

[10] Calif State Univ, Dept Phys, San Marcos, CA USA

[11] NASA, ARES, Johnson Space Ctr, Houston, TX USA

[12] Purdue Univ, Dept Earth Atmospher & Planetary Sci, W Lafayette, IN USA

[13] NASA Ames Res Ctr, Moffett Field, CA USA

[14] Univ Manchester, Dept Earth & Environm Sci, Manchester, England

[15] Hokkaido Univ, Nat Hist Sci, Sapporo, Hokkaido, Japan

[16] Univ Rochester, Dept Earth & Environm Sci, Rochester, NY USA

[17] Lawrence Berkeley Natl Lab, Berkeley, CA USA

[18] Univ Queensland, Sch Environm, St Lucia, Qld, Australia

[19] Hokkaido Univ, Creat Res Inst, Sapporo, Hokkaido, Japan

[20] Univ Cote Azur, CNRS, CRHEA, Valbonne, France

[21] Univ Jean Monnet, INSERM, St Etienne, France

[22] Southwest Res Inst, Boulder, CO USA

[23] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA

[24] Open Univ, Fac Sci Technol Engn & Math, Milton Keynes, England

[25] Royal Ontario Museum, Dept Nat Hist, Toronto, ON, Canada

[26] Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan

[27] Los Alamos Natl Lab, Los Alamos, NM USA

来源：

NATURE | 2025年 / 637卷 / 8048期

基金：

英国科研创新办公室; 英国科学技术设施理事会;

关键词：

WATER; ENCELADUS; EVOLUTION; MINERALS;

D O I：

10.1038/s41586-024-08495-6

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Evaporation or freezing of water-rich fluids with dilute concentrations of dissolved salts can produce brines, as observed in closed basins on Earth1 and detected by remote sensing on icy bodies in the outer Solar System2,3. The mineralogical evolution of these brines is well understood in regard to terrestrial environments4, but poorly constrained for extraterrestrial systems owing to a lack of direct sampling. Here we report the occurrence of salt minerals in samples of the asteroid (101955) Bennu returned by the OSIRIS-REx mission5. These include sodium-bearing phosphates and sodium-rich carbonates, sulfates, chlorides and fluorides formed during evaporation of a late-stage brine that existed early in the history of Bennu's parent body. Discovery of diverse salts would not be possible without mission sample return and careful curation and storage, because these decompose with prolonged exposure to Earth's atmosphere. Similar brines probably still occur in the interior of icy bodies Ceres and Enceladus, as indicated by spectra or measurement of sodium carbonate on the surface or in plumes2,3.

引用

页码：1072 / 1077

页数：19

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