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Western Interior Seaway. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, and the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years. The ancient sea, which existed from the early Late Cretaceous (100 Ma ...
Hypothetical ruins. Public access. Yes. The Cuban underwater formation is a site thought to be a submerged granite structural complex off the coast of the Guanahacabibes Peninsula in the Pinar del Río Province of Cuba. [1][2][3]
Underwater diving was practiced in ancient cultures to gather food and other valuable resources such as pearls and precious coral, and later to reclaim sunken valuables, and to help aid military campaigns. Breathhold diving was the only method available, occasionally using reed snorkels in shallow water, and stone weights for deeper dives. [1]
Water covers about 71% of Earth's surface. [ 1 ] The origin of water on Earth is the subject of a body of research in the fields of planetary science, astronomy, and astrobiology. Earth is unique among the rocky planets in the Solar System in having oceans of liquid water on its surface. [ 2 ] Liquid water, which is necessary for all known ...
Gulf of Khambhat on the right. Image NASA Earth Observatory. On 19 May 2001, India's Union Minister for Human Resource Development, Science and Technology division, Murli Manohar Joshi, announced that the ruins of an ancient civilization had been discovered off the coast of Gujarat, in the Gulf of Khambhat. The site was discovered by NIOT while ...
Ocean exploration is a part of oceanography describing the exploration of ocean surfaces. Notable explorations were undertaken by the Greeks, the Romans, the Polynesians, the Phoenicians, Phytheas, Herodotus, the Vikings, the Portuguese and Muslims. Scientific investigations began with early scientists such as James Cook, Charles Darwin, and ...
Marine geology. 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. Marine geology has strong ties to geophysics and to physical oceanography.
Ocean secrets. The newly discovered seamount off the coast of Chile is 3,109 meters or 1.9 miles tall. - Schmidt Ocean Institute. Many of the world’s highest mountains aren’t visible on land ...