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28:, near the tip of Madagascar, 180 meters (590 ft) high and 5 kilometres (3.1 mi) inland. Chevrons such as Fenambosy have been hypothesized as providing evidence of "
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Scheffers, A., Kelletat, D., Scheffers, S. R., Abbott, D. H., and Bryant, E. A., 2008, Chevrons – enigmatic sedimentary coastal features,
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lies about 1,700 kilometres (1,100 mi) east-southeast of the
Madagascar chevrons and in deep ocean. it is hypothesized to be an
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and magnetic components that are argued to be associated with impact ejecta.
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have not been directly sampled, cores from the area contain high levels of
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estimates the age of this feature to be about 4,500 to 5,000 years old.
103:"Chevrons" are not mega-tsunami deposits--A sedimentologic assessment,
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Impacts, mega-tsunami, and other extraordinary claims,
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This article about a regional geological feature is a
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55:by the Holocene Impact Working Group. Although its
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117:Pinter, N., and Ishman, S. E., 2008,
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101:Bourgeois, J. and Weiss, R., 2009,
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90:Zeitschrift für Geomorphologie
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92:, v. 52, no. 3, pp. 375-402.
22:chevron-shaped land features
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24:on the southwest coast of
145:Ancient Crash, Epic Wave
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253:Geography of Madagascar
173:25.016707°S 44.177118°E
268:Regional geology stubs
178:-25.016707; 44.177118
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258:Geological hazards
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127:2014-10-17 at the
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164:44°10′38″E
161:25°01′00″S
121:GSA Today.
74:References
26:Madagascar
65:Geologist
57:sediments
38:asteroids
125:Archived
263:Tsunami
105:Geology
61:nickel
34:comets
42:Earth
204:stub
16:The
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