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Marine geology or geological oceanography is the study of the history and structure of the ocean floor. It involves geophysical, geochemical, sedimentological and paleontological investigations of the ocean floor and coastal zone.
When the age of the ocean crust as determined by magnetic anomalies or drill hole samples was compared to the ocean depth it was observed that depth and age are directly related in a seafloor depth age relationship. [25] This relationship was explained by the cooling and contracting of an oceanic plate as it spreads away from a ridge crest. [26]
Work on mapping the ocean bed accelerated after World War II, when sonar technology made faster depth measurement possible. [ 15 ] The first comprehensive map of the world ocean bottom was published in 1977 by geologists Marie Tharp and Bruce Heezen of Lamont Geological Laboratory at Columbia University in New York, in a collaboration that ...
Oceanography (from Ancient Greek ὠκεανός (ōkeanós) 'ocean' and γραφή (graphḗ) 'writing'), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology.
A geologist is a scientist who studies the structure, composition, and history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the field and the laboratory. Geologists work in the energy and mining sectors to exploit natural resources.
Lee Sang-Mook (born October 18, 1962) is a South Korean marine geologist and computational scientist.He has worked as a researcher at the Korean Ocean Research and Development Institute from 1998 to 2003, and as a professor and researcher at Seoul National University since 2003. [2]
Marine sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor.These particles either have their origins in soil and rocks and have been transported from the land to the sea, mainly by rivers but also by dust carried by wind and by the flow of glaciers into the sea, or they are biogenic deposits from marine organisms or from ...
Frederick John Vine FRS (17 June 1939 – 21 June 2024) was an English marine geologist and geophysicist.He made key contributions to the theory of plate tectonics, helping to show that the seafloor spreads from mid-ocean ridges with a symmetrical pattern of magnetic reversals in the basalt rocks on either side.
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