Unit convenor and teaching staff |
Unit convenor and teaching staff
Unit Convenor
Kelsie Dadd
AHH 2.657
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Credit points |
Credit points
3
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Prerequisites |
Prerequisites
GEOS125 or GEOS126
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Corequisites |
Corequisites
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Co-badged status |
Co-badged status
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Unit description |
Unit description
This unit builds the skills needed to understand geological processes and products in modern and ancient marine environments. The unit examines sedimentary and volcanic processes and their products; evidence of present day hydrothermal alteration and metamorphism of the oceanic lithosphere; and the formation of ore deposits in marine rocks. Emphasis is placed on reconstruction of ancient environments using lithological, geometrical and palaeontological data. There is a five day field trip to the New South Wales south coast.
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Information about important academic dates including deadlines for withdrawing from units are available at https://www.mq.edu.au/study/calendar-of-dates
On successful completion of this unit, you will be able to:
Name | Weighting | Due |
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Research project 1 | 15% | 4/04/2016 |
Research Project 2 | 15% | 23/05/2016 |
Quizzes | 6% | Weekly |
Fieldwork | 14% | 22/04/2016 |
Practical Exam | 10% | 7/06/2016 |
Final Exam | 40% | Exam period |
Due: 4/04/2016
Weighting: 15%
In this project you will examine a chain of volcanic islands and samples of rocks dredged on some of the hummocks around the islands. You will determine the type of volcanoes in the chain, how they grew from the sea floor and their plate tectonic setting, describe the rocks from the hummocks and determine how they formed, describe the erosional and sedimentary processes that occur on and around the islands, and examine the chemistry of some of the volcanic rocks. You will also construct a bathymetric profile and estimate the volume of material in islands in the chain, illustrate the rock chemistry using appropriate graphs and summarise all this information in a brief report.
Due: 23/05/2016
Weighting: 15%
In this report you will examine sedimentary environments found on passive margins, in particular those surrounding the Antarctic continent in the Southern Ocean, and how these may change as basins evolve. You will also describe the processes involved in the formation of oil and gas deposits. These sediments and environments will be used as a model to better understand the Permian sedimentary rocks of the NSW south coast and southern Sydney Basin.
Due: Weekly
Weighting: 6%
The weekly quiz will begin in week 2 and will be completed and marked online. The quiz will examine the lecture, practical topics and text readings of the previous week as well as the research projects.
Due: 22/04/2016
Weighting: 14%
During this unit of study you will be required to participate in an extended field trip to the NSW South Coast. Fieldwork will be done from Monday 18 April to Friday 22 April, and is a vital part of the unit; attendance is therefore compulsory. A range of marine depositional environments, both modern and ancient, will be studied in the field.
The assessment for the trip includes the field note book, to be handed in at the end of the field trip, and a participation mark.
Due: 7/06/2016
Weighting: 10%
You will be asked to identify six rock samples and to indicate why you decided on the name.
Due: Exam period
Weighting: 40%
The final exam will cover material from the lectures, field trip, class exercises and research project reports. Questions will draw on information and ideas from different areas to give an integrated view of the unit. The exam will include questions that ask you to apply your knowledge to interpret and solve problems.
Teaching sessions include lectures, practical sessions, research project workshops, and an excursion to the NSW south coast during the break. We aim to provide an integrated learning environment bringing together the background information and practical skills needed for the interpretation of both modern and ancient marine depositional environments. There are a number of research projects that include a group work component.
Week |
Date |
Lecture/Assignment (C5A room 226) |
Practical / Research Project (E5A room 210) |
Required reading Nichols, 2009 (see also papers given each week) |
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Module 1 Methods of analysis |
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1 |
Tuesday 1 March |
Introduction to GEOS206 and methods of analysis |
Sedimentary structures |
Chapters 1, 2, 4, 5 |
2 |
Tuesday 8 March |
Sub-aqueous volcanism |
Sedimentary core logging and facies descriptions |
Chapters 17, 18 and revise 1 and 5 |
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Module 2 Growth and destruction of oceanic volcanoes |
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3 |
Tuesday 15 March |
Products of silicic volcanism |
Research Project 1 introduction; Minerals and Igneous Rocks – basalt and andesite; Reconstruction of past environments using trace fossils |
Chapter 3 and revise 17 |
4 |
Tuesday 22 March |
Sedimentary processes at ocean island volcanoes |
Introduction to carbonate sediments and rocks. Research Project 1; Minerals and Igneous Rocks – dacite and rhyolite |
Chapter 15 and revise 17 |
5 |
Tuesday 29 March |
Carbonates |
Carbonates under the microscope. Research project 1; Chemical Data |
Revise chapters 3 and 15 |
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Module 3 Processes at passive margins |
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6 |
Tuesday 5 April |
What are passive margins? Research Project 1 due |
Research Project 2 introduction; Palaeo-geographic reconstructions from graphic logs |
Chapters 6, 9, 23 and revise 5 |
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Mid-semester break Excursion 18-22 April |
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7 |
Tuesday 26 April |
Oil and gas in passive margin settings |
No class |
Chapter 18 |
8 |
Tuesday 3 May |
Clastic shorelines |
Volcaniclastic rocks under the microscope. Introduction to block diagrams. |
Chapters 12, 13 and 20; revise minerals in chapter 2 |
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9 |
Tuesday 10 May |
Continental shelf, slope and rise |
The Ordovician of the Lachlan Fold Belt, metasedimentary and metavolcanic rocks |
Chapters 14, 16 and revise 17 |
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Module 4 Deep ocean processes |
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10 |
Tuesday 17 May |
Ophiolites as past oceanic crust |
Hydrothermal systems in marine environments and ore deposits |
Revise chapter 16 |
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11 |
Tuesday 24 May |
Isotopes Research Project 2 due |
Research Project 2; Minerals and Igneous Rocks – ophiolites and serpentinites associated with deep marine sedimentary rocks |
Chapter 21 and revise 16 |
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12 |
Tuesday 31 May |
Deep water sedimentation (past and present) |
Modern and ancient deep marine sediments and POSTER ASSESSMENT |
Revise chapter 16 |
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13 |
Tuesday 7 June |
Practical examination |
Information about the exam plus TBA |
Revise chapters 2 and 3 |
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During this unit of study you will be required to participate in an extended field trip to the NSW South Coast. Fieldwork will be done from Monday 18 April to Friday 22 April, and is a vital part of the unit; attendance is therefore compulsory. A range of marine depositional environments, both modern and ancient, will be studied in the field.
Each student is required to pay with the accommodation payment form to the Cashier, Macquarie University by Tuesday 15 March the full amount of accommodation (excluding food) costs as a non-returnable deposit. An official University receipt will be issued.
Details of the trip and cost will be given out separately.
All submitted work must include clear and correct referencing. The extent and quality of your referencing will be included within the communication portion of the marks awarded to each report.
Quotations should be used only if the point being made is vital to your argument and if you could not express it better yourself. If you paraphrase, you must acknowledge your authority as you would when quoting directly -- after the paraphrased section or quotation, i.e. (Smith, 1981, p.132). Make sure you document this reference in your list of References. Remember, plagiarism is cheating!
All references must be clearly documented at the end of your report. For a book, the information expected is: Author(s), year of publication, title, edition (if not 1st), publisher, place of publication.
e.g. Skinner, B.J. and Porter, S.C., 2000. The Dynamic Earth. J. Wiley & Sons, Inc., New York. (4th edition)
For a journal article, give: author(s), year of publication, title, name of journal, volume number, page numbers.
e.g. Gaul, O.F., Griffin, W.L., O'Reilly, S.Y. and Pearson, N.J., 2000. Mapping olivine composition in the lithospheric mantle. Earth and Planetary Sciences 182, 223-235.
For a journal article on the WWW give: author, year, 'article title', name of journal, volume number, viewed Day Month Year, <URL>.
For a web document give: author/editor or compiler, year of the most recent version, title, version number (if applicable), description of document (if applicable), name and place of the sponsor of the source, viewed Day Month Year, <URL either full location details or just the main site details>.
For more details on referencing of material from the www see:
< http://www.usq.edu.au/library/help/ehelp/ref_guides/harvardonline.htm >