...Associate Level Material Sedimentary Rock Worksheet Use the following table to describe and distinguish between the effects of weathering and erosion. Each response must be at least 200 words. |Effects of Weathering |Effects of Erosion |What are the Differences? | |Weathering is a process in which the |Erosion is a natural process and can be |The main difference between these two | |surface of rock starts to break down. Two |healthy for the ecosystem. When material is|processes seems to be that while weathering| |types of weathering exist: chemical and |removed from one location, it is inevitably|causes effects at the site of the rock, | |mechanical. |placed somewhere else; this is called |erosion causes effects at a site other than| |Chemical weathering occurs when the rock |deposition. Both erosion and deposition are|that which was weathered. Weathering | |begins to break down and the chemical |natural processes. But when human |involves two processes that often work in | |composition changes as a result. These |activities substantially alter, increase or|concert to decompose rocks. Both processes | |chemical reactions break down the bonds |impede the natural movement of sediment, |occur in place. No movement is involved in | |holding the rocks together, causing them to|serious damage can occur. As stated, human...
Words: 993 - Pages: 4
...Associate Level Material Sedimentary Rock Worksheet Use the following table to describe and distinguish between the effects of weathering and erosion. Each response must be at least 200 words. Effects of Weathering Effects of Erosion What are the Differences? Mechanical or physical weathering includes two main processes: fracturing and abrasion, which may be intense in wet and dry regions. Wind, rain, snow, ice and other geological events cause mechanical weathering. This type of weathering leads to splitting of rocks and minerals into fragments. Big and sudden changes in air temperature, which are very common in deserts or water temperature changes, always cause expansion or contraction of minerals. For example, when water enters a crack and freezes, it widens the crack and eventually leads to breaking of the surface. Plant roots have a similar effect when they grow so big that they reach the crack in the rock. At some point, the rock will fall apart. This type of weathering changes the mineral composition of rocks by chemical processes and it can sometimes lead to dangerous conditions. Water is the basic agent in chemical weathering because it initiates the whole process. Some of its effects are oxidation (rusting), hydration and carbonization. Chemical weathering also causes loss of chemical elements by solution in water. Caves, stalactites and stalagmites are created by different chemical processes of weathering Sheet erosion is soil movement from raindrop...
Words: 971 - Pages: 4
...Associate Level Material Sedimentary Rock Worksheet Use the following table to describe and distinguish between the effects of weathering and erosion. Each response must be at least 200 words. |Effects of Weathering |Effects of Erosion |What are the Differences? | |Through mechanical and chemical weathering |Erosion is a term that describe the |Weathering involves two processes that | |of exposed rocks on Earth's surface chunks |transport of regolith from one place to |often work in concert to decompose rocks. | |of once embedded in bedrock are now exposed|another as oppose to weathering which |Both processes occur in place. No movement | |to the elements and over time they break |happens in place. Both processes can |is involved in weathering. Chemical | |down. Feldspar crystals in granite break |happen at the same time where weathering |weathering involves a chemical change in at| |down to form clay minerals. Other materials|can cause and rock to break down and then |least some of the minerals within a rock. | |such as quartz break down into sand which |materials from that are then transported |Mechanical weathering involves physically | |varies in grain sizes. "Seditment with |elsewhere by the wind in an erosion |breaking rocks into fragments without | |grain sizes between those of sand and clay |process. Fluids that cause the most erosion|changing...
Words: 942 - Pages: 4
...[pic] Axia College Course Design Guide SCI/245 Version 5 Physical Geology Start Date: 9/24/2012 End Date: 11/25/2012 Course Materials Murck, B. W., Skinner, B. J., & Mackenzie, D. (2008). Visualizing geology. Hoboken, NJ: John Wiley & Sons. Axia College’s Writing Style Handbook, available online at https://axiaecampus.phoenix.edu/Writing_Style_Handbook_AxiaUOP.pdf All electronic materials are available on your student Web site. 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, 2008, 2007 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...
Words: 4447 - Pages: 18
...Part 1: Recording Observations In the following chart, record your observations of each test for the seven minerals. After you have completed all tests, name the minerals in Part 2 of this worksheet. An example of how to fill out the chart is illustrated follows. Recorded Observations for Minerals 1-7 Tests Example Mineral 1 Mineral 2 Mineral 3 Mineral 4 Mineral 5 Mineral 6 Mineral 7 Color White Gold Green White Pink White White Black Streak White Black White White White White White Brown Luster Shiny Shiny Specks Shiny Specks Shiny Dull Shiny Shiny Shiny Specks Specific Gravity 3.18 5.1 2.8 2.7 2.6 2.65 2.4 2.2 Cleavage & Fracture Cleavage Fracture Fracture Cleavage Fracture Fracture Cleavage Fracture Hardness 4 3.1-5.4 1-2.9 1-2.9 3.1-5.4 6.1-10 1-2.9 1-2.9 Acid No Reaction No Reaction No Reaction Active bubbling and Fizz No reaction No reaction No Reaction Light bubbling and fizz Part 2: Naming the Minerals Name the minerals in the following table. Then, insert a percentage of how certain you are in your identification. Finally, explain your percentage of certainty: What was confusing about this mineral? What other minerals do you think it could be? Remember, the minerals include seven of the following: borax, calcite, corundum, graphite, gypsum, orthoclase feldspar, pyrite, quartz, talc, and topaz. Identification of Mineral Percent Certain Explanation of Certainty Example: Fluorite 80% certain I am almost certain this mineral is fluorite, but I am...
Words: 1502 - Pages: 7
...of Natural Sciences | | |SCI/245 Version 6 | | |Geology | Copyright © 2011, 2009, 2008, 2007, 2006 by University of Phoenix. All rights reserved. Course Description This course gives an overview of physical geology by introducing concepts such as plate tectonics and geologic time. Students gain familiarity with the processes that shape the earth's surface and recognize the relevance of studying geology. Topics include the rock cycle, weathering, formation of geological features, and preservation of geological resources. Policies Faculty and students/learners will be held responsible for understanding and adhering to all policies contained within the following two documents: • University policies: You must be logged into the student website to view this document. • Instructor policies: This document is posted in the Course Materials forum. University policies are subject to change. Be sure to read the policies at the beginning of each class. Policies may be slightly different depending on the modality in which you attend class. If you have recently changed modalities, read the policies governing your current class modality. Course Materials ...
Words: 3061 - Pages: 13
...GLG 101 - Week 6 Assignment: Metamorphic Rocks Lab PART 2/2 (UOP) FOR MORE CLASSES VISIT www.glg101tutorial.com Resources: pp. 108–116 of Geoscience Laboratory and Appendixes K & L Identify and classify the rock examples in Appendix K. Answer the Appendix L questions from your lab book. Write your responses in Appendix K. Complete All of Appendix K & L. Post completed Appendix K & L in the individual forum. Due day 7. ================================================= GLG 101 Assignment Deserts Lab (UOP) FOR MORE CLASSES VISIT www.glg101tutorial.com Resources: pp. 265–276 of Geoscience Laboratory and Appendix M Answer the Appendix M questions from your lab book. Write your responses in Appendix M. Complete ALL of Appendix M. Post completed Appendix M to the individual forum. Due day 7. ================================================= GLG 101 Assignment: Earthquake Technology Lab (UOP) FOR MORE CLASSES VISIT www.glg101tutorial.com Resources: pp. 156–170 of Geoscience Laboratory and Appendix F Answer the questions listed in Appendix F from the lab book. Write your responses in Appendix F. Complete ALL of Appendix F. Post the completed Appendix F in the individual forum. Due day 7. ================================================= GLG 101 Assignment Groundwater Lab (UOP) FOR MORE CLASSES VISIT www.glg101tutorial.com Resource: pp. 213–227 of Geoscience Laboratory and Appendix N. Answer the Appendix N questions from...
Words: 2964 - Pages: 12
...Associate Program Material History of Rock Worksheet Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. | ORIGIN OF IGNEOUS ROCKS AND THE ROLE OF PLATE TECTONICS | |Igneous rocks form in three main places: where lithospheric plates pull apart at mid-ocean ridges, where plates come together at | |seduction zones and where continental crust is pushed together, making it thicker and allowing it to heat to melting. There are two| |ideas about igneous rocks that are geologically important. The first idea is that igneous rocks evolve - they change from one kind | |of rock into another. The second idea is that rocks are not randomly distributed across the earth. Specific kinds of rocks are | |always found in specific places for specific reasons, all tied into plate tectonic processes. Igneous rocks begin as hot, fluid | |material, and the word "igneous" comes from the Latin for fire. This material may have been lava erupted at the Earth's surface, or| |magma (un-erupted lava) at shallow depths, or magma in deep bodies (plutons). People commonly think of lava and magma as a liquid, | |like molten metal, but geologists find that magma is usually a mush — a liquid carrying a load of mineral crystals. Magma | |crystallizes into a collection of minerals, and some crystallize sooner than others. Not just that, but when they crystallize...
Words: 1045 - Pages: 5
...Material History of Rock Worksheet Leah Bechtel 12/09/2012 SCI/245 Robert Dillon Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. The role of plate tectonics in the origin of igneous rock is extremely important. Igneous rock is formed from magma that reaches the continental and oceanic crust or through hot spots that are around the world. There are three different places where igneous rocks can form; where the lithospheric plates pull apart at mid ocean ridges, where plates come together at seduction zones, and where continental crust is pushed together making the crust thicker and allowing it to heat to a melting point. The word igneous comes from the Latin word for fire, igneous rocks start off as a hot, fluid material which is usually erupted from the Earth’s surface as lava, or magma at shallow depths or deep depths. Magma is a mush like material that can carry a load of minerals, but people often think of lava and magma as a liquid like material of molten metals. The three types of igneous rocks are extrusive, intrusive and platonic rocks. Extrusive rocks are rocks that form and cool on the crust of the Earth whether it is on the continental crust or the oceanic crust. Extrusive rocks cool quickly, within a few seconds to months and they have invisible or very small grains; extrusive rocks have an aphanitic texture. Intrusive rocks are rocks that form within already existing rocks causing sills and dikes...
Words: 957 - Pages: 4
...The Messel Shale Pit is located approximately 35 kilometers southeast of Frankfurt Germany in a town called Hesse. The pit is 1000 meters long, 700 meters wide, and currently, stretches 60 meters deep. It has been dated back to the Eocene age which was fifty four to thirty seven and a half million years ago. Eocene is Greek for “New Dawn”, and is most often recognized as the age of the first large land mammals. The Pit was once a former quarry and was used from 1859 to 1971 for mining oil shale. Oil Shale is a fine grained sedimentary rock in which hydrocarbons or oil shale, can be produced. The area is considered to be a lake that sat within a volcanic crater. The oil shales in the area are said to be the result of a heavy presence of algae. The toxic gases omitted from the volcanic crater are thought to be the reason for such a high number of land animals having been fossilized. It wasn’t until 1875 that the first fossil, a crocodile, had been discovered. Since then, numerous fish and sea creatures, thirty one plant species, 45 mammals, and 43 species of bird have been discovered. Some even had stomach contents and tissue still intact. There is no doubt that the area is extremely important to the world of science. In 1971, the Messel Shale Pit almost became a waste dump, but thankfully the plans for the dump fell through. It wasn’t until 1991 that the site was purchased by the Hessen State for over 35 million marks. The site had contributed so much to science and education...
Words: 367 - Pages: 2
...Damantital, Pannatal Lake and Naini Lake. It is spread over an area of 94 sq. km., which marks the catchment of all the seven lakes. Nainital is situated at 29º23’ N latitude, 79º30’ E longitude at an elevation of 2262m (7421ft) above sea level. The climate of the area is typical monsoonal with the three main climatic seasons being rainy (mid-June to mid-September), winter (November to February) and summer (April to mid-June). The transitional periods spring and autumn are March and October respectively. The total mean annual precipitation is around 1100mm/yr and average temperature is 25º C. The vegetation of the region majorly comprises of pine, deodar and evergreen broad leaf species. The primary motive of the field trips was to identify the rock types and various geological features present in the region. The following figure shows a map depicting the sites...
Words: 2631 - Pages: 11
...All about Sedimentary Rocks Zakk Wylde SCI/245 January 30, 2011 Stephen Hallin The changing plate interactions and shifting plate junctures, helps us to understand the sedimentary basins. Although plate tectonics is mostly about the horizontal movements of the lithosphere, it also involves large vertical movements which accounts for changes of the crust thickness. Thick sedimentation has to have an initial depression or progressive subsidence to proceed; the auxiliary vertical movements are what mostly control the sedimentary basins (how they evolve). Geographic changes related to the governing horizontal movements also affect patterns of sedimentation strongly. Therefore, sedimentation can be viewed as the result of a succession of discrete plate tectonic settings, and plate interactions whose effects blend into a continuum of development. Sedimentary rocks are composed from deposits of material worn away from pre-existing rocks. “The word sedimentary comes from the Latin word sedimentum, which means settling. They come from the cementation of sediments that result from the erosion of older rocks. The characteristic feature of sedimentary rocks is their stratification or layering. Examples of sedimentary rock include; chalk, coal, limestone, sandstone...
Words: 845 - Pages: 4
...Sedimentary Rocks Sedimentary rocks are very complex rocks that give us information on our past. Distinguishable characteristics such as color, size, and rounding of the sediments tell scientists about the environment that was once there long ago. How are the sediments formed to preserve this archive of our past? The system of how a rock is formed from sediment is complex and can occur without even knowing. The first step is the sediment. Sediments are tiny particles that are shaved off of rocks, soil, and other solid objects by a fluid source. These sources can include wind, water, and ice. In order to break down this process, the types of sediments must be introduced. Clastic Sediment Clastic sediment is formed from rock and mineral debris as a result of weathering and erosion. The clasts come in a variety of sizes and this is how they are classified. The biggest of the clasts is gravel. Gravel is classified as sediment with pea-sized or larger particles. When gravel becomes compacted and forms a rock, it is known as a conglomerate. The next type of clast is sand. Sand sediments are smaller than gravel, usually the size of a pinhead. When sand hardens, it forms a rock known as sandstone. Getting even smaller is silt. Silt is around the size of a grain of salt. Silt can form into siltstone once compacted and hardened. Finally, there is clay. Clay can be the size of flour particles, or even smaller. Mudstone or shale is the result of rock formation. Another type of sediment...
Words: 743 - Pages: 3
...multiple choice questions that follow the essay/shot answer questions, as a doc, docx or pdf file. Good Luck! 1. Differentiate between relative and absolute dating. List, define and discuss the principles used to define relative age. Discuss isotopic dating: what atomic particles are involved, what are some common isotopes that are used, and what are some uses of isotopic dating? Be sure to explain the calculation of the age of a rock. Relative dating is telling us the age of something compared to that of the substances around it, more plainly stated the sequence of events. Absolute dating tells how old something is, an amount of time can be associated with an object unlike in relative dating. There are four stratigraphy principles used to determine geologic history of a locality or a region: 1) original horizontally, 2) superposition, 3) lateral continuity, and 4) cross-cutting relationships. Original horizontally states that beds of sediment (sedimentary strata) deposited in water forms as horizontal or nearly horizontal layers. If rocks that are at inclined/folded have moved from their original position. The principal of superposition says that within deposition of sediment the oldest layer is at the...
Words: 4905 - Pages: 20
...Introduction: Every aspect of our surroundings, everything we witnessed at the two sites that we visited and everything geologically related can be tied together with a few simple concepts. A central component of those simple concepts is known as the Wilson Cycle. The Wilson Cycle has a massive impact on not only the two sites that we visited, but literally everywhere around the world. By understanding the principles of the Wilson Cycle, we are able to unearth details about a location such as what geologic era it belongs to, what type of plate boundary it is, as well as what type of tectonic activity that was required to allow it to form. In essence, everything relates back to the Wilson Cycle, as evidenced in the following pages. Geologic Background: PALEOZOIC: The Paleozoic era was is the earliest of the three geologic eras and spans from about 542 to 251 million years ago. Numerous events that significantly impacted the overall structure of the earth took place during this time period. The Paleozoic Era is divided into six different subcategories which include: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. Early in the Paleozoic the continents were far apart but moving tectonic plates caused continents to move together into one large continent called Pangaea. Some of the significant geologic events that occurred during the Paleozoic era includes the evolution of a large number of animals, some of which are distant ancestors to modern organisms...
Words: 1579 - Pages: 7
