Science Assignment - Blue Mountains Essay

Submitted By annasaglimbeni
Words: 1152
Pages: 5
Open Document
LAPSTONE HILL

This area is made up of sedimentary rocks of the Hawkesbury Group. Sedimentary rocks are deposited horizontally.

In some areas the rock layers are not horizontal but tilted at an angle. This has occurred because the tectonic plate forces have caused the rock layers to be tilted.

A number of landslides have occurred in the past due to the weakness of the sandstone which has been eroded by weather.

GLENBROOK

Glenbrook has a creek which is located at the bottom of the valley and a valley which is called Glenbrook Gorge. Cliffs on the walls of the valley is composed of Hawkesbury Sandstone and has a number of cracks. The texture of the rock has sandy grains and a redish brown colour. Vegetation is thin on the sloping sides of the valley because there is no nutrients for them to grow and no soil. The roots of the plants have no grip to hold onto.

The valley has been formed because of the following process;

Cracks have developed in the sandstone of the valley walls
Erosion has caused the layer of harder rock to be undercut
Running water has eroded the bottom and sides of the valley
Gravity and lack of support due to undercutting, weathering and erosion have caused the boulders to fall into the creek.
The fallen boulders accumulate on the valley floor
When the creek floods, the fallen boulders are rolled along by the running water.

BLUE MOUNTAINS PLATEAU

The plateau reaches a maximum height of over 1000 metres. The two basalt-capped mountains - Mt Wilson and Mt Tomah.

Basalt is an igneous rock which got to the top of the other rock layers of the Blue Mountains Plateau by magna which cut through the horizontal rock layers. It was a vertical intrusion the lava flowed on top of the sedimentary rocks that were originally there. Mt Tomah is not a fold mountain but a volcanic mountain formed by hardened lava.

EN ROUTE TO KATOOMBA VIA CLIFF DRIVE

Steep canyons have been cut away by rivers and gravity. This is formed when the softer rock underlines the harder rock and as a result of weathering the rock is undercut. The softer rock wears away, leaving overhanging rock ledges. The overhanging rock breaks along joints and forms boulders. These boulders collect in talus slops down the base of the cliff. The stream at the bottom gradually carries away the loose rock fragments.

The cliff faces at the top are straight and vertical. This has occurred because the boulders have broken away.



JUST EAST OF LAPSTONE MONOCLINE

The monocline took place slowly which so the Nepean river was able to cut down into the rock layers at a rate that allowed it to retain its course (which at present cuts into the monocline). It is a narrow V- shaped valley cut by the Nepean River.

ECHO POINT

Echo point overlooks the Jamieson Valley. Consisting of cliffs of Triassic sandstone and shale overlying older rocks. The Narrabeen group rock are located at the bottom beneath the Hawsbury group rock. The 3 sisters is located in Echo Point just to the left which consists of 3 thick columns of rock standing side by side. There are vertical and horizontal cracks in the rocks. Some of the cracks have become much wider than others. This has been cause by ice, water, wind erosion and weathering.

The formation of the 3 sisters started as a flat plateau. This plateau is made of sedimentary rock (ie sandstone). Joints or cracks appears in the plateau. Joints or cracks started to break off the larger plateau. The agents such as erosion continued to wear away the rock. Eventually the sisters formed. There are now 3 sisters standing. Evidence shows that there were 5 sisters because of the 2 smaller rocks next to them.

BLUE MOUNTAINS - a great ecotourism destination.

Blue Mountains is a well known mountain region located in NSW Australia. It is a great Ecotourism because it has natural beauty, culture, history, beautiful scenery, waterfalls, jungles scenery
Show More

Related Documents: Science Assignment - Blue Mountains Essay

Lesson 3 Portfolio Assignment Analysis

Hannah Hymovitch Prof. Nielsen ENGL218 Lesson 3 Portfolio Assignment 1/18/18 Part A: 1. Creative Writing most interests me because it is a way to express my imagination and creativity, convey certain situations that I have been through or want to experience in my life, convey personality traits I wish I had, imagine problem-solving techniques, and to cope with painful emotions in my life. 2. I have completed the SOC111 Intro to Sociology online class with an A-(91.37%) and the STDEV Life Planning…

Words 1761 - Pages 8

Public Forum Debate Case Essay

Biocentric approaches towards policies entrench the human-environmental dualism further Paterson 6 (Barbara, Red Orbit, Avian Demography Unit, Department of Statistical Sciences, University of Cape Town in South Africa, Ethics for Wildlife Conservation: Overcoming the Human-Nature Dualism, 3/1/06, http://www.redorbit.com/news/science/410448/ethics_for_wildlife_conservation_overcoming_the_humannature_dualism/#uOkeloY9LSY3hiby.99) The existence of intrinsic value in nature, on the other hand, would…

Words 3673 - Pages 15

Me and Me Essay

time I traveled by plane, was very anxious, take a flight to New York where they lived relatives of my father, I got to my seat next to the window, I could see how beautiful my country looked from above, the green tree-covered mountains, beautiful beaches and palm trees, blue sky with beautiful clouds, but when I saw the landscape coming to the city of New York, everything was cloudy, dark, all I could see was the lights coming from the buildings, the whole city was full of lights. When we landed in…

Words 1453 - Pages 6

Idk Wht to Do... Essay

Please note the RTN on your record. This means that I am returning your paper ungraded because if I were to grade it as submitted it would fail. You have a lot of interesting information and insight to this topic; however, so far you have given more of an opinion essay on the topic. Please remember, this is a formal research paper, where you need to state claims, then provide scientific research to support your viewpoint (along with citing the sources of the information within your paper). Additionally…

Words 3765 - Pages 16

Essay AP US History

drafted and signed into law a bill that banned slave importation into the United States. A leader in the Enlightenment, Jefferson was a polymath in the arts, sciences, and politics. Considered an important architect in the classical tradition, he designed his home Monticello and other notable buildings. Jefferson was keenly interested in science, invention, architecture, religion, and philosophy; he was an active member and eventual president of the American Philosophical Society. He was conversant…

Words 4396 - Pages 18

Essay on Applying for an Ice-Cream

NSW Government Schools International Students 2012-2013 Your unique Australian study experience rse No cou es eas fee incr nd a in 2012 2013 1 Your unique study experience Experience of a lifetime: safe, secure and the right choice Government schools in Sydney and across New South Wales (NSW) offer an exciting opportunity for your child to live and learn in a safe, friendly, multicultural community. Our schools are world-renowned for the variety of academic and creative subjects and innovative…

Words 8108 - Pages 33

Middle Ages and Europe Essay

MEDIEVAL EUROPE: FROM THE FALL OF ROME TO THE RENAISSANCE A BACKGROUND READING LINKING CLASSICAL TO MODERN TIMES From approximately 200 B.C. to 476 A.D., the "civilized" areas of Europe and the Near East were dominated, ruled, and imprinted with a lasting influence from the Roman Empire. At its greatest extent, the Roman Empire stretched east to include Greece, Turkey, Syria, Mesopotamia and Persia; it stretched south to encompass Africa north of the Sahara from the Atlantic to Egypt; and, it stretched…

Words 6558 - Pages 27

United Arab of Emirates Country Notebook Essay

United Arab of Emirates Country Notebook Presented to Dr. Shahira El Alfy Prepared by: Mohamed Ibrahim Osama Mosher Ismail Ahmed El-Mohamady Hesham Mostafa Eslsca 36 – Global Management I. Cultural Analysis: Identification of the Emirates History: The United Arab Emirates (UAE) consists of the seven emirates, which are: Abu Dhabi, Dubai, Sharjah, Ras Al-Khaimah, Ajman, Umm Al-Qaiwain, and Fujairah. They were united as a federal…

Words 18853 - Pages 76

Managing Information Technology (7th Edition) Essay

CONTENTS: CASE STUDIES CASE STUDY 1 Midsouth Chamber of Commerce (A): The Role of the Operating Manager in Information Systems CASE STUDY I-1 IMT Custom Machine Company, Inc.: Selection of an Information Technology Platform CASE STUDY I-2 VoIP2.biz, Inc.: Deciding on the Next Steps for a VoIP Supplier CASE STUDY I-3 The VoIP Adoption at Butler University CASE STUDY I-4 Supporting Mobile Health Clinics: The Children’s Health Fund of New York City CASE STUDY I-5…

Words 239873 - Pages 960