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Oceanography Study Words II

Word List with 36 words
*By Dictionary.com

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Words in This List

delta
noun
shock waves in solid rock generated by earthquakes or underground explosions
electric current
noun
rate of flow of electric charge in the direction that a positive moving charge would take
floatation
noun
separation of minerals in a mass based on their ability to sink in, or float on, a given liquid
flood plain
noun
nearly flat plain along the course of a stream or river that is naturally subject to flow
horizontal sorting
noun
graded bedding occurring at the bottom of a body of water
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meander
verb (used with
define the margin of a body of water with a meander line
nautical mile
noun
unit of distance used chiefly in navigation, now replaced by the international nautical mile
ooze
noun
calcareous mud composed of the shells of one-celled organisms, found along the ocean bottom
ophiolites
noun
assemblage of mafic igneous rocks representing remnants of former oceanic crust
outer core
noun
layer located directly under the mantle composed of liquid nickel and iron
pangaea
noun
hypothetical landmass that existed when all continents were joined, about 300 million years ago
panthalassa
noun
ocean that surrounded the supercontinent Pangaea
photosynthesis
noun
using sunlight as the source of energy and with the aid of chlorophyll and associated pigments
plutonic
adjective
pertaining to a class of igneous rocks that have solidified far below the earth's surface
precipitation
noun
falling products of condensation in the atmosphere, as rain, snow, or hail
rift valley
noun
subsea chasm extending along the crest of a mid-ocean ridge
rifting
noun
narrow break, crack or other opening in a rock, usually made by cracking or splitting
saltation
noun
leaping movement of particles of sand or gravel, as from the force of wind or running water
seafloor spreading
noun
process in which new ocean floor is created as molten material from the earth's mantle rises
seamounts
noun
submarine mountain rising above the floor of the sea with its summit below the surface of the water
sialic
noun
rocks that comprise the continental portions of the upper layer of the earth's crust
slope
verb (used with
inclined or oblique direction or angle considered with reference to a vertical or horizontal plane
sonar
noun
method for detecting and locating objects submerged in water by echolocation
stromatolites
noun
laminated calcareous fossil structure built by marine algae and having a rounded or columnar form
subduction zone
noun
collision of the earth's crustal plates results in one plate's being drawn down by another
submarine
noun
something situated or living under the surface of the sea
submarine canyon
noun
steep-sided valley on the sea floor of the continental slope
terrigenous sediment
noun
derived from the erosion of rocks on land
traction
noun
action of drawing a waterway
transform fault
noun
fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor
trench
noun
long, steep-sided, narrow depression in the ocean floor
turbidite
noun
sedimentary deposit laid down by a turbidity current
turbidity currents
noun
dense current of sediments in suspension moving along the slope and bottom of a lake or ocean
upper mantle
noun
portion of the mantle lying above a depth of about six hundred miles
v-shaped valley
noun
deep depression extending primarily in one direction
watershed
noun
ridge or crest line dividing two drainage areas

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