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Igneous Rocks Earths Surface
378 wordsOut of the three different types of rocks, igneous rocks are by far the most abundant rock on the earths surface. From the oceans to the mountains, you will find igneous rocks everywhere and it is easy to see why. Igneous rocks are a result of solidified magma. Magma is found underneath the earths surface all over. Mountains are usually volcanoes; either extinct, dormant or active. Volcanoes contain magma. Magma is cooling all the time. This would mean that the rocks that form from lava spews, o...
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Igneous Rocks Pacific Ocean
1,877 words... Flood Geology Explain the Fossil Record? Creation Ex Nihilo Technical Journal, 10 (1996): 1: 32 - 69). All creationists, however, seem to agree that many Achaean and Proterozoic formations are of pre-flood age, and that at least Paleozoic strata represent flood deposits. ] The Precambrian craton's of all continents are composed of numerous distinct terrane's of different isotopic ages, structural trends, lithotomies, and paleo magnetic and tectonic histories. These terrane's are typically bo...
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Earth Surface Seismic Waves
2,491 wordsNotes on the lithosphere- (rock sphere) Upper most part is crust of earth. Compiled of rocks of outer crust. Outermost shell. Upper part- rocks we see at and near the earths surface. Crust is 5 to 10 km thick under most oceans and 24 to 60 km thick under the continents. The lithosphere under the crust is solid, dense material. (more dense than surface materials). Lithosphere 100 - 200 km. Notes on the asthenosphere- zone beneath the lithosphere. Thick like tar. Weak because of high temperatures ...
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Oceanic Crust Igneous Rocks
1,525 wordsI. INTRODUCTION A mountain is an elevated land mass usually higher than its surroundings. Some are isolated, but they usually appear in ranges (Ms Bs 95 W 32). A group of ranges closely related in form, origin, and alignment is a mountain system; an elongated group of systems is a chain; and a complex of ranges, systems, and chains continental in extent is a cordillera, zone, or belt. (Ms Bs 95 W 32). Some mountains are remains of plateaus, mesas, and buttes, through erosion (Summerfield). Other...
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Million Years Ago 65 Million Years
1,087 wordsWHERE DID THEY GO? BY JOHN J. HATFIELD EARTH SCIENCE LAB 2234 TERM 2 INTRODUCTION The biggest mystery surrounding the dinosaur is how did they die? For over 130 million years dinosaurs ruled the earth. Then 65 million years ago, at the end of the Cretaceous period, they died out. Nobody can really say what actually eliminated the species, although everyone has their very own idea. Asteroid impact, atmospheric changes (hot to cold), catastrophic eruptions and astronomical events (supernovas etc. ...
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