Clear Lake Essay

The Yellowstone volcano is very active volcanic system which requires much observation. The geysers, mudd pots, hotsprings and steam vents are all examples of the heat from molten rock of a volcano. For many years the Yellowstone volcano could not be located. There is not obvious signs of a volcano, but scientists looked for other clues. Rhyolite is present in a location that has pinetress and many mosquitoes can be found due to the lakes that have formed. Rhyolite is a very violent eruption, due to the high silica content,  it flows slowly, like honey, and tends to pile up and form lava

Native Plant Study- The area that Lake Doonella is located in has great vegetation and variety of native plants which gives the native animals and local residents a beautiful home as well as a lovely sight for tourists. There are numerous different plants in all different shapes and sizes that call this area home. Some plants even have berries growing on them in many different colours for the animals to feed off. During the field walk there were many trees and plants but the most commonly viewable one was the Scribbly gum. ( shown in .. (ref off iBooks)

The volcanoes are located where there is a divergence or convergence in the tectonic plates and bring their lava from the deepest of the terrestrial mantle. The materials and explosions of these ginates represent a constant risk in the places inhabited by the human being, nevertheless the people ususually live in these areas no matter the risk. On the other hand the volcanos can change the geology of an impressive form, or to cool the temperature of the earth, or to darken the sky. The scientific community increases its efforts to try to understand better what happens in volcanoes, however it is impossible to predict these conditions.

The west coast of North America has been tectonically and volcanically active for billions of years. The Sierra Nevada Mountains in eastern California were born of volcanoes, and magma has been erupting in the Long Valley to the east of the mountains for over three million years (Bailey, et. al., 1989). However, the climactic eruption of the region occurred relatively recently in the region's geologic history. About 760,000 years ago, a huge explosion of magma warped the Eastern Sierra into the landscape that exists today. The eruption depleted a massive magma chamber below the earth's surface so that the ceiling of the chamber imploded, forming what is now known as

Analyse the factors that causes differences in the hazards posed by volcanoes around the world (40 marks)

Greasy Lake is the story of three friends who are bad characters. Until they run into a situation where they question, just how bad they are. Just because they act badly and look bad does not mean they are. They are teenagers in a period, “when courtesy and winning ways [are] out of style when it [is] good to be bad, when they [cultivate] decadence like a taste.” (112) They look bad, wearing torn-up leather jackets, slouching around with toothpicks in their mouths and wearing their shades morning, noon and night. They have the attitude, they drive their parents cars fast, and burn rubber as the pull out of the driveway. They have the bad habits. They drink “gin and grape juice, Tango, Thunderbird, and Bali Hai,

In the short story Greasy Lake written by T.C. Boyle, the story is about three friends who believe they are “bad”. On a particular night they go out looking for trouble, and trouble is what they find. The tone of this story is serious, dark, and very graphic. This story is full of literary devices. Metaphors and similes come thick and fast on the shores of Greasy Lake, and Boyle never contents himself with one when he can offer two or three. The comparisons for their abundance, are neither aimless nor without purpose; they enable us to see the referent from strategic points of view.

“Greasy Lake” by T. C. Bolyle narrated from the perspective of an unnamed narrator, told as a reflective account of his youth. In the story, he recounts details of his experiences on a summer evening with two friends. The reader experiences the misadventures of the protagonist that night along as told from the viewpoint of the now mature narrators retrospective. Exposed in the story are two character traits of the protagonist. Those traits are immaturity and rebellion, along with the trait of introspection on the part of the narrator.

Feel free to stretch, it's been a long ride. We will be stopping by a restaurant later to get some lunch. In front of you, you can see Humphreys Peak, the tallest mountain in the San Francisco Peaks. The San Francisco Peaks is actually a volcanic mountain range and is part of the San Francisco volcanic field. The peaks were once a stratovolcano but is now eroded and are the remains of the volcano. It is the only stratovolcano in the San Francisco Volcanic Field. The tallest mountain, Humphreys Peak, is about twelve thousand, six hundred and thirty-three feet in elevation, which is also three thousand, eight hundred and fifty-one meters tall. In fact, Humphreys Peak is the tallest point in all of Arizona. Also in this area, are more than six hundred volcanoes. Most of the volcanoes found here are basalt cinder cones. These volcanoes are relatively small. They are also usually less than one thousand feet in elevation. Another fact about these basalt cinder cones is that they are formed within a range of a couple of months to a couple of years. The San Francisco Volcanic Field also has several lava domes. Lava domes are formed by dacite and rhyolite magmas. Both of those types of magma are very rich and high in silica. So, as a result, the dacite and rhyolite magmas are very viscous and thick. As a matter of fact, the magmas are so viscous is thick that when volcanoes erupt, the magma tends to pile up and form very steep sided masses, which are the domes.

Smooth Sailing is a private company that operates one cruise ship. Recently, pirate activity in the area where the cruise ship operates has increased, thus affecting the cruise ship’s potential future cash flows. The cash flow decline has directly contributed to a decline in the overall fair value of the cruise ship.

Thermometer gave evidence that Lake Nyos did not have a volcanic eruption because it’s temperature was normal not warm. By testing the water they found there was no sulfur and very little chloride, which dispelled the volcanic theory. They collected samples from the deepest point of the lake, and discovered large gas bubbles coming up which proved the lake was saturated with a gas. Sigurdsson

For example, geologists have identified nearly 100 cinder cones surrounding Mauna Kea, a shield volcano located in Hawaii.

Volcanoes are the eruption of magma, a mixture of rock, crystal, and dissolved gas, expelled through the earth’s crust onto the surface of the earth. Volcanoes consist of the following; a deep magma chamber where magma accumulates, pipes that lead to surface vents, and the vents through which lava is emitted during a volcanic eruption. They occur at three main settings, namely; along subduction zones, a mid-oceanic spreading centres, and above mantle plumes. Environmental effects are determined by the size, explosivity, magma chemistry, and geological location. Volcanoes affect the climate through gases and particulate matter ejected into the atmosphere during an eruption. However, the sulfur content determines the impact on climate rather than the size of the explosion. The effect of volcanic gases and dust may warm or cool the earth’s surface depending on how sunlight interacts with volcanic material. Volcanoes can be divided into two types; effusive and explosive. Both types of volcanoes have the potential to eject large volumes of gases into the stratosphere to causes severe short-term climatic effects and possibly trigger long-term climatic change on a continental and global scale.

Volcanoes are parts of the Earth’s crust that have been forced in an upward position causing a mound like landform on the surface or in water. What lies beneath is magma that has been building up pressure for thousands of years, pushing through a crack or break in the earth’s crust waiting to be released. Once a volcano is finally relived of the pressure, it sends lava flowing and spewing out of the top. Another thing that volcanoes let off is volcanic ash and gases that can be very harmful to any living thing if exposed to these elements.

Have you ever heard of a supervolcano, the most explosive type of volcano on earth? The most famous super volcano on earth is in Yellowstone which has been dormant for 630,000 years, but will erupt in the near future which can be predicted. It can project magma more than 1,000 cubic kilometers. Volcanoes are usually formed along plate boundaries. A volcano can be formed when a oceanic crust is subducted under a continental crust. This creates immense pressure because the substantial weight of the continental crust is sitting on top of the subducted oceanic crust. When the pressure and heat becomes too great, magma from the Mantle rises through cracks in the earth. When two plates converge, it can also create a volcano. Volcanoes are also created in hot spots. Hawaii is an example of a hot spot. A hot spot is created by rising plumes of hot magma which originate in the asthenosphere. One of the ways scientists classify volcanoes is by their activity. There are three main types of volcanoes based on activity: active, dormant and extinct. Active means that they could erupt at any time, dormant means that they haven’t erupted for a long time but could erupt in the future, and extinct means that the volcano will never erupt again. There are more than 1,500 volcanoes on earth, and about 80 of them are under water.