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Alexander Du Toit
Alexander du Toit was a geologist who traveled to south america to study certain states' geology. He later published a book about his journeys and findings. He was an early supporter of the theory of continental drift. -
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Timespan
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Alfred Wegener
Alfred Wegener was the first to introduce the theory of continental drift. His idea was rejected because of lack of evidence until 1950 when enough evidence was found to support his theory. -
Arthur Holmes
Arthur Holmes was a geologist. He performed the first ever uranium-lead radiometric dating (measuring the age of a rock). He later wrote the book The Age of the Earth. -
Hugo Benioff
Hugo Benioff was a seismologist. He invented the Benioff seismometer. This device was used to sense the movement of the earth. -
Kiyoo Wadati
Kiyoo Wadati was a seismologist. He researched subduction zone earthquakes. His name is part of the Wadati-Benioff zone. -
Harry H. Hess
Harry H. Hess was a geologist. He is best known for his work on sea floor spreading. He specifically worked on the relationships between seafloor gravity anomalies, serpentized peridotite, and island arcs. -
Sir Edward Bullard
Sir Edward Bullard was a geophysicist. He worked on the development of degaussing techniques. THe research was done for the protectment of shipping from magnetic mines. -
Robert Dietz
Robert Dietz was a marine geologist, geophysicist and oceanographer. He discovered impact craters from meteors such as the Sudbury Basin. He also made the theory of seafloor spreading. -
Drummond Matthews
Drummond Matthews was a British marine geologist and geophysicist. He contributed to the theory of plate tectonics by helping to prove Harry Hess's theory of sea floor spreading. -
U.S. Research ship Atlantis
The Atlantis was Woods Hole Oceanographic Institution's first research vessel. The scientists who researched on this ship discovered the first abyssal plain in 1947. She is currently owned by Argentinan researchers. -
Frederick Vine
Frederick Vine is a marine geologist and geophysicist. He helped to contribute to Harry Hess's theory of sea floor spreading. -
Technology
The technology used for ocean floor mapping is sonar waves. a magnometer is a device used to measure the strength and direction of the magnetic field. Samarium-neodymium dating is what is used to determine the ages of rocks. -
Glomar Challenger
This deep sea research and scientific drilling vessel was launched for oceanography and marine geology studies.
