Abstract
Still on board our hover car, in this chapter we will explore the deep ocean’s submarine canyons, seamounts, plateaus, deep ocean trenches, and the mid-ocean ridge. We will meet pioneer marine geologist Francis Shepard and learn how submarine canyons are formed by underwater landslides. We will learn that there is a connection between the testing of nuclear bombs in the Pacific and Charles Darwin’s theory for the formation of coral atolls. We will learn about Zealandia, the 8th undiscovered continent. We will ponder what creatures inhabit deep-sea sediments leaving only traces in the mud of their existence and what happens to its body when a whale dies. Will humans mine manganese nodule deposits on the deep ocean floor, knowing that once destroyed this habitat will never recover? To mine or not to mine – it is a moral dilemma.
“In addition to a gentle, voluminous, and un-relenting snowfall of clay and ooze the ocean floor intermittently receives consignments of a large size: rocks plucked from the land and later dropped from melting ice- bergs; stomach stones disgorged by sea lions; rocks borne to sea by rotting giant algae; garbage, paper, radioactively contaminated tools and waste; junk, wrecks from peace and war; artillery projectiles; clinkers from coal- burning steamships; ballast; telephone and telegraph cables; beer bottles, tin cans and much more, imaginable, virtually unimaginable, and sometimes, unmentionable.”
Bruce Heezen and Charles D. Hollister
The Face of the Deep, 1971
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Notes
- 1.
Shepard (1948).
- 2.
Piper et al. (1999).
- 3.
Harris and Whiteway (2011).
- 4.
Hovland (2008).
- 5.
Puig et al. (2012).
- 6.
- 7.
Carey et al. (2014).
- 8.
Cairns (2007).
- 9.
Koslow et al. (2015).
- 10.
Sumaila et al. (2015).
- 11.
Frey et al. (2000).
- 12.
Harris (2011).
- 13.
Smith and Baco (2003).
- 14.
Broecker (2003).
- 15.
- 16.
Purser et al. (2016).
- 17.
Marsh et al. (2018).
- 18.
Corliss et al. (1979).
- 19.
Salinas-de-León et al. (2018).
- 20.
Van Dover et al. (2017).
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Harris, P.T. (2020). The Face of the Deep. In: Mysterious Ocean. Springer, Cham. https://doi.org/10.1007/978-3-030-15632-9_9
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