Located a very visible long submerged arrow submerged underwater pointing to a specific location that looks like what was a rectangular structure. Is it a map artifact or is it a terrain shaped feature pointing to something important?Can anyone explain further or have any clues what this is? It is located off of the coast of Argentina.
Relatively common features in the ocean, here is a sample Seamount; an underwater mountain, ie. a mountain that is underwater and fails to reach the surface.
Deepest part and place of the world's oceans. Mariana Trench and Ridge, with ridge islands and Challenger Deep. The Challenger Deep is the deepest surveyed point in the oceans, with a depth of about 11000 metres (about 36000 feet). The exact depth is unknown. The trench forms the boundary between two tectonic plates, where the Pacific Plate is subducted beneath the small Mariana Plate. The bott...
The deepest points on Earth (Google Earth atleast), located at -35,717 feet (at the head of the pin). That's a little over 6.75 miles down!
http://en.wikipedia.org/wiki/Challenger_Deep
Monterey Canyon, or Monterey Submarine Canyon, is a submarine canyon in Monterey Bay, California. It is the subject of ongoing study by the scientists at the Monterey Bay Aquarium Research Institute,the Moss Landing Marine Laboratories, and other oceanographic institutions.
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