Term
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Definition
| shallow beach deposits, quartz rich sand, continental shelf, tidbit deposits (graded bedding, fining upwards) glacial deposits (coarse sediment on high latitude cont. shelves.) |
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Definition
| deep sea, Abyssal clay (red clay), from volcanic ash, wind blown dust, deep ocean currents. |
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Term
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Definition
| from living organism, sediment from living organism, two types (macroscopic-rare large bones, teeth) and (microscopic - abundant tiny shells, or tests) |
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Term
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Definition
| tiny microscopic shell clumps/layers of sediment. |
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Term
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Definition
| precipitating in water, such as manganese or oolites |
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Term
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Definition
| sediment from land, or terrigenous. |
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Term
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Definition
| from meteorites or outer space in origin |
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Term
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Definition
| the space between two splitting ridges. the ends are called fracture zones |
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Term
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Definition
| the areas at the end or tails of transform faults. |
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Term
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Definition
| vents that occur along divergent plate boundaries. or oceanic ridges. warm vents <30c, white smokers 30350c |
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Term
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Definition
| x>1km rounded tops look like (n). have not breached surface or been weathered across the top |
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Term
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Definition
| or table mounts are x>1km and have been flattened due to weather on top. likely exposed as an island at some point. |
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Term
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Definition
| X<1km are smaller than seamounts and generally did not or have not had a very long time to grow from volcanic activity. |
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Term
| Name the marine sub provinces starting with continent to MOR |
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Definition
| continental shelf, continental slope, continental rise, abyssal hill, mid oceanic ridge. |
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Term
| Name the marine sub provinces starting with MOR and ending at volcanos. |
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Definition
| MOR, abyssal hill province, trench, volcanic arc. |
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Term
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Definition
| underwater sediment rivers, they carry sediment from continent to sea causing erosion and settle sediment in a fining upward layering. heaviest on bottom lightest on top. generally occur along continental slope, caused by density. |
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Term
| continental shelf depth/slope |
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Definition
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Term
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Definition
| 130-2000m / terminus slope <4 deg. |
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Term
| continental rise depth/slope |
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Definition
| depth > 2000m / gentle slope with fans laid across it. partially covering oceanic crusts. |
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Term
| Continents crusts are made of _________ and there density is ____g/cm^3 |
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Definition
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Term
| oceanic crusts are made of _____ and there density is ___g/cm^3 |
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Definition
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Term
| Average Plate movement Rate is |
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Definition
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Term
| Is earth growing or shrinking? |
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Definition
| neither it is in dynamic equilibrium, or being destroyed and created at the same rate. |
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Term
Plate tectonics was hypothesized by ____ in ____.
Was accepted as theory by _____ in ______ |
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Definition
(wegner, 1912)
(wilson, 1965) |
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Term
| The lithosphere contains how many large,medium plates? |
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Definition
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Term
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Definition
CLAM OI
crust and lithosphere-rigid-100km, asthenosphere-plastic-700km, mesosphere -rigid-3000km, , outer core-liquid-5000km, Inner core-solid-6000km |
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Term
| what is the crust made of? |
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Definition
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Term
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Definition
| plastic/molten, 0-700km, silicates. part of mantel |
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Term
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Definition
| rigid-700-3000km-silicates. part of mantel. |
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Term
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Definition
| 3000-6000km liquid outer, solid inner. nickel and iron |
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Term
| earthquake focus is where? |
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Definition
| the point of shifting below the surface, point of occurrence |
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Term
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Definition
| above the focus, area on surface directly above focus. |
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Term
| Heat flow in oceans is high at ______ and low at _____ |
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Definition
| mid ocean ridges, subduction zones. |
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Term
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Definition
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Term
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Definition
| the addition of islands to continents. |
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Term
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Definition
| the study of ancient tectonic plates. |
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