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Powder Avalanches and Slab Avalanches, 2001.
An examination of what weather conditions and impacts both types of avalanche cause, and how they can be controlled.
1,575 words (approx. 6.3 pages), 11 sources, AU$ 61.95
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Abstract
This paper differentiates between the dangerous slab avalanche, and the often harmless powder avalanche. It explains what weather conditions contribute to the worst avalanches. It also examines the significant impacts avalanches have on the environment and shows certain preventative techniques to protect and limit the damages and deaths caused by avalanches.
From the Paper
"There are two types of avalanches; powder avalanches and slab avalanches. In very cold, dry weather, light powdery snow grains don't stick together. If this snow is pushed down the slope, it forms a powder avalanche, which swirls along like an enormous white cloud. Normally these avalanches aren't that dangerous as there isn't much snow in them, they are also easy to get away from, most of the time. The slab avalanche is the most dangerous, and causes the most damage. A slab avalanche starts off as a solid chunk of frozen snow about the size of a soccer field and about 30 feet thick ( McClung, David and Schaerer, Peter, 129). It usually forms on sunny days that are followed by frosty nights and snow that melts and freezes again. These slabs are cracked, commonly by the edge of a ski, and break into many different thick pieces that haul down the slope, taking out whatever is in its path."
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The Grand Canyon Super Group of Fossils, 2000.
1,840 words (approx. 7.4 pages), 7 sources, AU$ 71.95
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Abstract
This paper presents a detailed look at the group of fossils in a certain are of the Grand Canyon in the United States. The paper concentrates on the paleontology of these fossils and their uniqueness.
From the Paper
"The Grand Canyon Supergroup is a thick sequence of Precambrian strata located in-between overlying Paleozoic rocks and underlying crystalline rocks. This Supergroup is comprised mainly by the Nankoweap Formation and the Chuar Group that include three sub-formations and seven members. These formations, groups, and members still puzzle many geologists and paleontologists for their is no conclusive evidence regarding the Supergroup's formation as well as classifying some of the fossils found there. The 2100 meters of the Grand Canyon Supergroup is still undergoing extensive research and will until all the mysteries surrounding it are solved."
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The Gaia Theory of the Earth and Plate Tectonics, 2001.
An examination of the Gaia theory which maintains that soon after the formation of life, organisms began to change the environment, as well as adapt to this environment.
1,237 words (approx. 4.9 pages), 6 sources, AU$ 50.95
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Abstract
Gaia and the plate tectonics; is the Earth alive?
This paper examines the Gaia theory that has emerged concerning the earth, its formation, and the living and non living creatures that adorn it. The paper also examines plate tectonics, living organisms, formation of water, etc.
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The Loma Prieta Earthquake in San Francisco, 2000.
The purpose of this paper is to illustrate the geology before the quake, evaluate its aftermath, and predict what may happen in the near future.
1,492 words (approx. 6.0 pages), 8 sources, AU$ 59.95
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Abstract
To understand the extent of devastation of the 17 October 1989 Loma Prieta earthquake, we must consider all the factors that played a role in the damage. This includes the history of the local geology around the Marina District of San Francisco, where the most damage from the quake had taken place, and also the geology and tectonics of the surrounding faults. The purpose of this paper is to illustrate the geology before the quake, evaluate its aftermath, and predict what may happen in the near future.
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