Carbonate rocks buried deep in the martian crust
Nature Geoscience
2010년10월11일
Extensive deposits of carbonate sedimentary rocks may be buried several kilometres beneath the surface of Mars, according to a study published online this week in Nature Geoscience. The presence of abundant carbonate minerals could indicate the past existence of a surface environment rich in carbon dioxide.
Carbonate minerals have previously been detected on Mars, but the observations have been sparse and isolated. Joseph Michalski and Paul Niles used satellite data to assess the geology of the Leighton Crater, near the martian Syrtis Major volcano. Their data reveal extensive deposits of carbonate minerals that were exposed by a meteorite impact. The team proposes that these deposits represent ancient sediments that were subsequently buried by volcanic material from Syrtis Major.
doi: 10.1038/ngeo971
리서치 하이라이트
-
8월18일
Environment: Protecting global forest biodiversityNature
-
8월17일
Climate change: North Atlantic hurricane season starting earlierNature Communications
-
8월17일
Climate change: Energy institutions’ decarbonization scenarios evaluated against the Paris AgreementNature Communications
-
8월16일
Food: Modelling global famine and associated deaths from nuclear weapon detonationNature Food
-
8월12일
Climate change: The Arctic is warming nearly four times faster than the rest of the worldCommunications Earth & Environment
-
8월11일
Ecology: Forest responses to climate changeNature
