continental fringe
41sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
42Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …
43Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …
44Minnesota — This article is about the U.S. state of Minnesota. For the river, see Minnesota River. For other uses, see Minnesota (disambiguation). State of Minnesota …
45Demersal fish — Bluespotted ribbontail ray resting on the seafloor Demersal fish live on or near the bottom of the sea or lakes.[1] They occupy the sea floors and lake beds, which usually consist of mud, sand, gravel or rocks …
46Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… …
47David Edgar (playwright) — David Edgar Born 26 February 1948 (1948 02 26) (age 63) Birmingham, England Occupation Playwright Nationality British …
48Minneapolis — This article is about the city in Minnesota. For other uses, see Minneapolis (disambiguation). Minneapolis   City   City of Minneapolis …
49Marine habitats — Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fishes Littoral zone …
50Musical theatre — The Black Crook (1866), considered by some historians to be the first musical[1] Musical theatre is a form of theatre combining songs, spoken dialogue, acting, and dance. The emotional content of the piece – humor, pathos, love, anger – …
