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DOI | 10.1038/s41561-020-0577-2 |
Experimental evidence for lava-like mud flows under Martian surface conditions | |
Broz, Petr1; Kryza, Ondrej1; Wilson, Lionel2; Conway, Susan J.3; Hauber, Ernst4; Mazzini, Adriano5; Raack, Jan6; Balme, Matthew R.7; Sylvest, Matthew E.7; Patel, Manish R.7,8 | |
2020-05-18 | |
发表期刊 | NATURE GEOSCIENCE |
ISSN | 1752-0894 |
EISSN | 1752-0908 |
出版年 | 2020 |
卷号 | 13期号:6页码:403-+ |
文章类型 | Article |
语种 | 英语 |
国家 | Czech Republic; England; France; Germany; Norway |
英文摘要 | Experimental mudflows under Martian surface conditions propagate similarly to terrestrial pahoehoe lava flows, suggesting mud (rather than igneous) volcanism can explain some flow morphologies on Mars. Large outflow channels on ancient terrains of Mars have been interpreted as the products of catastrophic flood events. The rapid burial of water-rich sediments after such flooding could have led to sedimentary volcanism, in which mixtures of sediment and water (mud) erupt to the surface. Tens of thousands of volcano-like landforms populate the northern lowlands and other local sedimentary depocentres on Mars. However, it is difficult to determine whether the edifices are related to igneous or mud extrusions, partly because the behaviour of extruded mud under Martian surface conditions is poorly constrained. Here we investigate the mechanisms of mud propagation on Mars using experiments performed inside a low-pressure chamber at cold temperatures. We found that low viscosity mud under Martian conditions propagates differently from that on Earth, because of a rapid freezing and the formation of an icy crust. Instead, the experimental mud flows propagate like terrestrial pahoehoe lava flows, with liquid mud spilling from ruptures in the frozen crust, and then refreezing to form a new flow lobe. We suggest that mud volcanism can explain the formation of some lava-like flow morphologies on Mars, and that similar processes may apply to cryovolcanic extrusions on icy bodies in the Solar System. |
领域 | 地球科学 ; 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000533834500003 |
WOS关键词 | LIQUID WATER ; VOLCANISM ; MARS ; BEHAVIOR ; ICE ; MORPHOLOGY ; STABILITY ; INFLATION ; ELYSIUM |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/267646 |
专题 | 地球科学 气候变化 |
作者单位 | 1.Czech Acad Sci, Inst Geophys, Prague, Czech Republic; 2.Univ Lancaster, Lancaster Environm Ctr, Lancaster, England; 3.Univ Nantes, Lab Planetol & Geodynam, CNRS, UMR 6112, Nantes, France; 4.German Aerosp Ctr DLR, Inst Planetary Res, Berlin, Germany; 5.Univ Oslo, Ctr Earth Evolut & Dynam CEED, Oslo, Norway; 6.Westfalische Wilhelms Univ Munster, Inst Planetol, Munster, Germany; 7.Open Univ, Sch Phys Sci, Milton Keynes, Bucks, England; 8.STFC Rutherford Appleton Lab, Space Sci & Technol Dept, Oxford, England |
推荐引用方式 GB/T 7714 | Broz, Petr,Kryza, Ondrej,Wilson, Lionel,et al. Experimental evidence for lava-like mud flows under Martian surface conditions[J]. NATURE GEOSCIENCE,2020,13(6):403-+. |
APA | Broz, Petr.,Kryza, Ondrej.,Wilson, Lionel.,Conway, Susan J..,Hauber, Ernst.,...&Patel, Manish R..(2020).Experimental evidence for lava-like mud flows under Martian surface conditions.NATURE GEOSCIENCE,13(6),403-+. |
MLA | Broz, Petr,et al."Experimental evidence for lava-like mud flows under Martian surface conditions".NATURE GEOSCIENCE 13.6(2020):403-+. |
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