What is the difference between canyons and trenches

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This means an excavation can be any size and shape. By contrast, a trench is a specialized part of excavation that involves creating a narrow space surface cavity. The bottom line is that all trenches are excavations, but not all excavations cavities are trenches. What are deep under water canyons called? How are canyons and trenches alike? How are land canyons an ocean trenches alike? What is deep underwater canyons formed where the oceanic crust bends downward?

Why does the ocean crust sink back into the mantle? What are similarities between canyons and valleys? Area between enemy trenches? What are other names for the deep ocean floor? What are the relationships between river valleys and sea canyons? A long narrow valley between high cliffs? What is the difference between an ocean trench and a ridge? What is the difference between a ocean ridge and trench? Why does deep-ocean trench occur? Features that look like canyons in the ocean floor are? What was the area between the trenches on the western front called?

What are the difference between trenches and faults? What are areas between trenches? Improve this question. Jim Jim 1 1 gold badge 1 1 silver badge 5 5 bronze badges. Hi Jim, how did a reputable online dictionary define each of the words? What differences did you notice? Wikipedia is full of interesting information but it's not a dictionary. Please edit your post to include the research you've done on the definitions of the words, and let us know if there's still an issue we need to resolve.

Chappo Thanks for the guidance, I've updated the question with definitions and given my understanding of those definitions at the bottom. I had seen that post on ELL but was hoping for a more precise technical definition if one existed. My hope is for some reference to a geography textbook style definition if it exists. This question arose from coming across a gorge and ravine in one day, and wondering what the distinguishing factors might have been : — Jim.

Note that you have not quoted from the comprehensive Oxford English Dictionary but instead Oxford Living Dictionaries. These two are related by using the same city in the UK in their titles, but the definition sources are from an entirely different set of lexicographers and editing principles. Understand that, while there is some implication of differing scale attached to the words, a lot depends on local terrain.

What might be called a canyon in some parts of the country would likely be called a ditch in others. Add a comment. Active Oldest Votes. There are no exact synonyms, but you can often replace one word for another and get by. One gives It gives for your desired terms the following: Gorge A steep-sided, narrow floored valley cut into bedrock Ravine - strangely, not defined but used multiple times for versions of ravine Canyon A deeply incised, steep-sided river valley Gully A small hollow or channel incised into sediments or unconsolidated rock by running water For a very specified definition: Arroyo - Incised valley bottom, particularly in the western U.

The arroyos can be cut as deeply as 20m, be over 50m wide and tens or even hundreds of kilometres long There are all sorts of words for different scales and topologies of watershed areas: gulch, hollow, couloir, valley, coombe or cwm for word-nerds and on and on. What is the site of crust formation? A turbidity current can form a?

Which is located nearest a continent? How is an ocean submarine canyon formed? Which feature is located nearest continent? In which region of the ocean is the submarine canyon located? The deepest depth of the Monterey bay in meters?

Which feature would you expect to find at the mouth of a submarine canyon? How could rivers form Submarine canyons? Is fracture zone part of continental margin? The difference between a canyon and a gorge? What is the distance between Arizona and the Grand Canyon? Why are you more likely to find submarine canyons in areas where the continental shelf drops quikly to the abyssal plain?

What are the difference between Mount Everest and the Grand Canyon? What is true about canyons? What is the orgin of a submarine canyon? What is a gap between mountains? How is a canyon different from a valley?