...[pic] Course Syllabus GLG/101 Geology with Lab Please print a copy of this syllabus for handy reference. Whenever there is a question about what assignments are due, please remember this syllabus is considered the ruling document. Copyright Copyright ©2009 by University of Phoenix. All rights reserved. University of Phoenix© is a registered trademark of Apollo Group, Inc. in the United States and/or other countries. Microsoft©, Windows©, and Windows NT© are registered trademarks of Microsoft Corporation in the United States and/or other countries. All other company and product names are trademarks or registered trademarks of their respective companies. Use of these marks is not intended to imply endorsement, sponsorship, or affiliation. Edited in accordance with University of Phoenix© editorial standards and practices. Facilitator Information Michael Gutierrez gofiguretravel@email.phoenix.edu (University of Phoenix) gofiguretravel@q.com (Personal) 602-301-2633 (mountain) Facilitator Availability I am available from 10 a.m.-10 p.m. Mountain Time on most days, but I attempt to reserve Saturday for my family. On Sundays, I tend to be online in the late evening only. If these times are not convenient for you,...
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...Plate Tectonics Press Release Public Education on Earthquake Preparedness By Krystle Wilson March 28, 2014 Los Angeles, CA – Earthquakes occurs frequently in Los Angeles and its surrounding areas in California. I would like to take some time today to discuss earthquake preparedness and discuss descriptions of hazards associated with earthquakes in Los Angeles. I will also discuss the origin and causes of earthquakes, relation to the shifting plates to the natural process of mountain building, relation of earthquakes to plate tectonics and faults in Los Angeles. I will share some historical disasters associated with past earthquakes and discuss potential of future earthquake events. Descriptions of hazards associated with earthquakes in Los Angeles Earthquakes occurs and it occurs where there are tectonic plates or fault lines. The main earthquake hazard is the effect of ground shaking. The ground shaking can create hazards with buildings that may potentially collapse, roads may be unleveled, ground may split open. Because of Los Angeles being a large city with large population of people and buildings, there are gas lines running underneath the city. If an earthquake occurs, it may cause rupturing of the pipe line which could lead to fires and explosions. (Michigan Tech, n.d.). Origin and causes of Earthquakes “The earthquakes in California in general are caused by the movement of huge blocks of the earth’s crust – the Pacific and...
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...California. Overland, it runs for 625 miles, running north-south from Point Arena in north San Francisco to the border with Mexico. The most risky stretch of this fault, the southern part, passes about 35 miles from Los Angeles. Being the biggest and most populated city closest to the fault, Los Angeles is a high-risky region in the event of a big earthquake. There are over four million residents and 400, 000 businesses within Los Angeles city, an area of 475 square miles. It is one of the City’s greatest responsibilities to protect the public and ensure that all responsible agencies are prepared for immediate response and rescue operations in the event of earthquakes and other related disasters. The starting point, the focus of this press release, is educating the public about the causes of earthquakes, associated disasters, and vulnerability of Los Angeles to future earthquake events. Hazards Associated Earthquakes in Los Angeles The common disasters associated with earthquakes include the disruption of public, social and business activities, as well as destruction of property, and in serious cases, loss of life. In addition, earthquakes destroy infrastructure such as electricity lines, roads, water, and sewage drainage systems. Consequently, if an earthquake strikes it will paralyze transport services, cut off water and electricity supply, cut off communication lines as well as halt all business activities. Additionally, it can cause public panic, which is a recipe for confusion...
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...earthquakes, mudflows and rock falls. Examples of volcanic mountains are Mount St. Helens, Mount Fuji, and Pinatubo. (Kusky, 2010). The earth’s crust is made up of huge slabs known as plates. Plates fit together like a jigsaw puzzle and float on the mantle. They are in constant motion, either towards each other or away from each other. Plate tectonics is considered to be the main theory currently used by most Earth Scientists to describe motion within the outer-most layer of the sold Earth, which is also known as the lithosphere. It is this movement that induces friction that causes earthquakes and volcanic eruptions. Volcanism is associated with two of the plate boundary types, divergent and convergent margins. Volcanoes are formed when two tectonic plates meet; the heavier plate slides underneath the light plate and melts down to become magma. This mixes with trapped gases and steam in the magma chamber (Gates, 2009). Pressure from surrounding rocks forces the magma to the surface through weak points, such as fractures and when it reaches the crust an explosion occurs with regard to the amount of pressure available and the viscosity of magma creating a subduction volcano. Volcanoes can additionally be formed when two tectonic plates move away from each other. The impact of the divergence of these plates leads to the melting of rocks in the mantle that...
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... tremor, temblor or seismic activity) is the result of a sudden release of energy in theEarth's crust that creates seismic waves. Earthquakes are measured with a seismometer; a device which also records is known as aseismograph. The moment magnitude (or the related and mostly obsolete Richter magnitude) of an earthquake is conventionally reported, with magnitude 3 or lower earthquakes being mostly imperceptible and magnitude 7 causing serious damage over large areas. Intensity of shaking is measured on the modified Mercalli scale. At the Earth's surface, earthquakes manifest themselves by shaking and sometimes displacing the ground. When a large earthquakeepicenter is located offshore, the seabed sometimes suffers sufficient displacement to cause a tsunami. The shaking in earthquakes can also trigger landslides and occasionally volcanic activity. In its most generic sense, the word earthquake is used to describe any seismic event — whether a natural phenomenon or an event caused by humans — that generates seismic waves. Earthquakes are caused mostly by rupture of geological faults, but also by volcanic activity, landslides, mine blasts, and nuclear experiments. An earthquake's point of initial rupture is called its focus orhypocenter. The term epicenter refers to the point at ground level directly above the hypocenter. [pic] [pic] Global earthquake epicenters, 1963–1998 [pic] [pic] Global plate tectonic movement |Contents ...
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...Properties of the Island of Gozo Introduction The geo-morphology of Gozo is one of its environmental assets. Through the span of time, geo-morphological processes generated different landforms that today embellish the island with its scenic beauty and rural character. Various geo-morphological processes have produced a varied surface landscape and coastline, restricted in accessibility where it controls the inhabitantsÕ lifestyle and their living. The Stratigraphy The origins of the Maltese archipelago can be traced to shallow marine carbonate sediments, superimposed phases of strike slip faulting and rifting and geo-morphological scars triggered by different climatic processes and complex tectonic repercussion of the advancing of the African and Eurasian plates towards each other.1 This group of limestone islands rest on the Malta-Hyblean platform, which is a wide shelf bridge that connects the Ragusa platform of southern Sicily and the Tripolitana platform of northern Libya.2 The Maltese stratum comprises hard massive sometimes-reefal tectonically competent coralline limestone, ductile fine-grained biomicrites and plastic marls and clays of tectonically incompetent behaviour.3 These sedimentary beds belong to the geologically recent mid-Tertiary period. The sediments settled in shallow marine waters and their deposition occurred in stages with five main geological strata, which differ in composition and structural resistance (Refer to Figure 1). . ...
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...Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions, or in the distribution of weather around the average conditions (i.e., more or fewer extreme weather events). Climate change is caused by factors such as biotic processes, variations in solar radiation received by Earth, plate tectonics, and volcanic eruptions. Certain human activities have also been identified as significant causes of recent climate change, often referred to as "global warming". Scientists actively work to understand past and future climate by using observations and theoretical models. A climate record — extending deep into the Earth's past — has been assembled, and continues to be built up, based on geological evidence from borehole temperature profiles, cores removed from deep accumulations of ice, floral and faunal records, glacial and periglacial processes, stable-isotope and other analyses of sediment layers, and records of past sea levels. More recent data are provided by the instrumental record. General circulation models, based on the physical sciences, are often used in theoretical approaches to match past climate data, make future projections, and link causes and effects in climate change. Terminology The most general definition of climate change is a change in the statistical properties of the climate system when considered over long periods...
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...Mysliwiec Conversations with the Earth November 29th, 2012 Volcanoes A volcano is a landform that generally is circular in cross-section that is constructed from lava and tephra erupted onto the Earth’s surface, usually the crust. The opening through which the lava and tephra are emitted is called the volcanic vent. Lava is magma that reaches the Earth’s surface. Magma is melted rock at high pressure and temperature. Magma rises because it is initially less dense than the rock surrounding rock. It eventually equals the density of the surrounding rock and becomes a magma chamber. Tephra is pumice or ash that is blown into the air during eruptions. Volcanoes are generally found where tectonic plates converge and diverge; but are usually not created where tectonic plates slide past one another. As a result volcanoes can be found in all sorts of climate locations. There are four primary types of volcanoes which all have varying effects on the environment. This paper will explore these various types of volcanoes and show how they differ, as well as giving examples of eruptions for each of the types discussed. Principle Types of Volcanoes Cinder cones: Cinder cones are built from particles and blobs of congealed lava ejected from a single vent; they are the simplest forms of volcanoes. Gas charged lava is violently blown into the air and breaks up into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone. Most...
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...northern California and symbolizes the dynamic geologic processes that have shaped a spectacular landscape. 63829_02_insidecover.qxd 11/25/08 12:53 AM Page ii ESSENTIAL QUESTIONS TO ASK Northern California.1 Introduction Ⅲ What are northern California’s physiographic provinces? Ⅲ What is the Farallon subduction zone? al Ⅲ What two types of plate boundaries exist in northern California today? th Ⅲ What are terranes, how do they originate, and why are they important in northern California? Northern California.2 The Sierra Nevada: California’s Geologic alifornia’s Ge Backbone Ⅲ What is the Sierra Nevada batholith? rra batholi Ⅲ What kinds of rocks surround the Sierra Nevada batholith? ra Ⅲ When and how was the modern Sierra Nevada uplifted? e Ⅲ What types of gold deposits occur in the Sierra Nevada? e? Ⅲ What is the Mother Lode? Northern California.3 The Klamath M Mountains t ath an Ne evada Ⅲ In what ways are the Klamath Mountains and the Sierra Nevada similar? ds ro o ath M Ⅲ What kinds of rocks comprise the ophiolites in the Klamath Mountains and what tectonic events do they signify? ineral occu th ntai Ⅲ What mineral resources occur in the Klamath Mountains? Northern California.4 The Gr Ca rnia e Great Valley fa s th i he Valle Ⅲ What factors have led to the formation of fertile soils in the Great Valley? at t ime y Grea Seq Ⅲ What was the origin of the sedimentary rocks in the Great Valley Sequence...
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...Table of content: Abstract 3 I. INTRODUCTION 4 II. Theory 1: GLOBAL WARMING IN THE PAST 5 • Article 1: Volcanism • Article 2: Orbital variation • Article 3: Solar output • Article 4: Plate tectonic • Article 5: Solar radiation III. Theory2: THE GREENHOUSE EFFECT 7 • Article1: Carbon Dioxide • Article2: Methane • Article Ni trous Oxide • Article Ozone • Article4: Synthetic Chemicals • Article 5: Aerosols IV. Theory3: EFFECTS OF GLOBAL WARMING 13 • Article 1: Weather • Article 2: Ice Sheets and Glaciers • Article 3: Sea Level • Article 4: Agriculture • Article 5: Plants and Animals V. Theory4: The impact of global warming on humanity 22 • Article 1: Extreme storm affects health and infrastructure • Article 2: Heat wave increase death and illness • Article 3: Water and food supplies threatened • Article 4: Drinkable water become increasingly contaminated • Article 5: Large numbers of environmental refugee VI. Theory5: EFFORTS TO CONTROL GLOBAL WARMING 23 • Article 1: Carbone Capture • Article 2: Energie Sources • Article 3: koyoto • Article 4: Programs in the United States • Article 5: Montreal protocol CONCLUSION 27 Bibliography 28 Abstract: Throughout its long history, earth has warmed and cooled time, and again. Climate has changed...
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...in any number of disasters. Some disasters cause more loss of life than others, and population density affects the death count as well. Prediction of earthquake Long term forecasting founded on the knowledge of place where the earthquakes have taken place previously. In order to study the occurrence of earthquake, the knowledge of the current tectonic setting, geological records and the history records are analyzed critically to establish locations and occurrence intervals of earthquake. Pale seismology and seismic gaps are the most crucial aspect when carrying out analysis. Paleoseismology is the study of the earthquakes that have occurred before. Through the analysis of the offset in layers of sediment near the fault zones, it becomes very easy to predict the occurrence intervals of earthquakes. If it is established that earthquakes have interval recurrence of a hundred years, and there is no available records of earthquakes in the last 100 years, then a long- term forecast is done. Through the effect, effort can be undertaken to minimize seismic risk. (Davis, L. 2008). Seismic gaps It is a zone along an active area that is tectonic with no recent occurrence of an earthquake, also known as elastic strain accumulating a rock. Identification of a seismic gap in a particular region makes it easy to predict the likelihood of large earthquake occurring in that place in future (Madan, K. J. 2010). Short-term...
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...the differences between water and alcohol 1. you could try burning. alcohol is extremely flammable, whereas water will put out a fire 2. alcohol has a smell, water does not. 3. alcohol will evaporate quickly, water will just sit. 4. pH test, water will be neutral, alcohol will be acidic. 5. you could dye one of them with food coloring and mix them. the alcohol will be the one on the top, because alcohol is less dense than water. 2. Water: molecular mass of 18.015, density of 1 g/cm³ at 4°C, refractive index of 1.3330, solid form less dense than the liquid form, amphoteric properties, boiling point of 100°C at atmospheric pressure, not flammable. Alcohol: molecular mass of 46.07, density of 0.789 g/cm³, refractive index of 1.36242, solid denser than the liquid, slightly more acidic than water, boiling point of 78°C at atmospheric pressure, highly flammable Water (along with life) is what sets our planet apart from our neighbors and it is the topic of this chapter. The hydrosphere is the watery part of the Earth, but this is a little misleading since it gives the impression that there is one place where water occurs. Instead, water is everywhere, or nearly so. Water is present in the atmosphere, in the form of vapor, liquid, and solid. It is tied up in rocks, locked away in the crystal lattices of minerals that make up rocks; it occurs in the innumerable small pore spaces of rocks, from the surface to depths greater than 5 km. Water is also tied up in living...
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...Natural environment From Wikipedia, the free encyclopedia For other uses, see Environment. See also: Nature and Environment (biophysical) Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample access for visitors Bachalpsee in the Swiss Alps; generally mountainous areas are less affected by human activity. A satellite image of the Sahara desert; the world's largest hot desert and third-largest desert after Antarctica and the Arctic The natural environment encompasses all living and non-living things occurring naturally on Earth or some region thereof. It is an environment that encompasses the interaction of all living species.[1] The concept of the natural environment can be distinguished by components: * Complete ecological units that function as natural systems without massive civilized human intervention, including all vegetation, microorganisms, soil, rocks, atmosphere, and natural phenomena that occur within their boundaries * Universal natural resources and physical phenomena that lack clear-cut boundaries, such as air, water, and climate, as well as energy, radiation, electric charge, and magnetism, not originating from civilized human activity The natural environment is contrasted with the built environment, which comprises the areas and components that are strongly influenced by humans belonging to a civilized (i.e. hierarchically structured, agricultural, densely populated...
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...1. Theme – Understanding the environment of Mars Abstract Recent success of 'Mangalyan' (Mars Orbitor Mission) has made all of us proud of our scientists and engineers. The study of Mars' environment will help us in understanding more about our own environment. This text gives inputs on environment of Mars which can be correlated to the concepts learned by the students in class IX Science. The students are not supposed to memorize the facts and figures mentioned in the text, rather study the facts and figures with the above objectives in mind. Fig. 1: Mars Orbiter Mission Spacecraft getting in to Large Space Simulation Chamber for Testing Mars Orbiter Mission (M.O.M) Mars tugs at the human imagination like no other planet. The conditions in Mars are believed to be hospitable since the planet is similar to earth in many ways. Mars and Earth have almost equal period of revolution around the axis. Mars takes 24 hours and 37 minutes to complete equal period of revolution around the axis. While Earth takes approximately 365 days to orbit round the Sun, Mars takes 687 days for an orbit around the Sun. The gravity of Mars is roughly one-third to Earth’s gravity and it has a thin atmosphere with a pressure of 1% that of Earth. The atmosphere, water, ice and geology interact with each other to produce dynamic Martian environment as in Earth. Mars has surface features reminiscent of both the impact craters of the Moon, volcanoes, deserts and 1 polar ice of Earth. It inspires...
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...Science Content Standards A Message from the State Board of Education and the State Superintendent of Public Instruction. In 1998 California adopted academically rigorous content standards in science. The adoption of standards in each core subject area marked a turning point in the education reform movement that began in 1983 with the report A Nation at Risk: The Imperative for Educational Reform, by the National Commission on Excellence in Education. Until then, the reform movement had focused on important but largely structural improvements, such as more instructional time, minimum course requirements for high school diplomas, and an emphasis on local planning efforts to promote efficiency and effectiveness. The desire to improve student achievement was there, but the focus on content-that is, a comprehensive, specific vision of what students actually needed to know and be able to do-was lacking. Standards are a bold initiative. Through content standards in the core subjects, California began to redefine the state’s role in public education. For the first time, the knowledge and skills that students needed to acquire were explicitly stated for the most part by grade level, although science standards at the high school level were organized by discipline. The standards are rigorous. Students who master this content are on a par with those in the best educational systems in other states and nations. The content is attainable by all students, given sufficient time, except for those...
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