Lab Report on Relative Dating of Rocks Using Stratigraphic
Order ID |
53563633773 |
Type |
Essay |
Writer Level |
Masters |
Style |
APA |
Sources/References |
4 |
Perfect Number of Pages to Order |
5-10 Pages |
Description/Paper Instructions
Lab Report on Relative Dating of Rocks Using Stratigraphic
Introduction and Goals: The goal of this lab is to study and apply relative dating principles to rocks, fossils, and geologic events. The history and concepts of stratigraphy will be addressed, as well as the use of fossils for relative dating. You’ll learn about the geologic timescale, how to calculate relative ages, and how geologists date events in Earth history using various approaches. You’ll also gain some hands-on experience with the principles and practices.
The Lab is available in the files below.
Laboratory for Physical Geology 111
Stratigraphic Principles for Relative Dating of Rocks
- Introduction and Goals:
The goal of this lab is to learn about relative dating and how to apply it to rocks, fossils, and geologic events. The history and concepts of stratigraphy will be addressed, as well as the use of fossils for relative dating. You’ll learn about the geologic timescale, how to calculate relative ages, and how geologists date events in Earth history using various approaches. You’ll also gain some hands-on experience with the principles and practices.
- Becoming Familiar with the Six Principles of Stratigraphy:
- Identify the seven basic physical stratigraphic laws:
Definition of the Stratigraphic Law
1) Superposition
3) Inclusion
4) Fossil Succession is a term that refers to the succession of fossils.
5) Continuity on the Sides
6) Horizontality that is unique
7) Unconformity B. Unconformities are gaps in the time-rock record when non-deposition and/or erosion occurred for a long length of time between deposition periods. They usually manifest themselves as visible uneven surfaces between two sets or groups of rock pieces, known as formations. Other geologic events such as tilting, folding, faulting, intrusion, and uplift can also be recorded by an unconformity. As a result, unconformities are useful for determining the age of rocks. The three types of stratigraphic unconformities are listed and defined as follows: Definition of the Unconformity Type
III. Using Stratigraphic Order to Determine Relative Ages of Rocks and Geologic Events Directions: Fill in the blanks with your study and appraisal of the two geologic cross-sections provided below. Do the following for each geologic cross-section:
- Calculate the ages of the rock bodies and other geologic features/events such as tilting, uplift, faulting, and erosional unconformities.
- In the column of blanks, write down the letters from oldest (bottom of the list) to youngest (top of the list) in chronological order the sequence of geologic events (each one is identified with a letter). You must also specify which stratigraphic legislation was utilized to place each dated event in its relevant time frame for each dated event. The stratigraphic rules are abbreviated as SP = superposition, IN = inclusions, CC = cross-cutting, and UN = unconformity.
- Identify and label any lettered unconformities in each cross-section (by kind).
RUBRIC
QUALITY OF RESPONSE |
NO RESPONSE |
POOR / UNSATISFACTORY |
SATISFACTORY |
GOOD |
EXCELLENT |
Content (worth a maximum of 50% of the total points) |
Zero points: Student failed to submit the final paper. |
20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. |
30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. |
40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. |
50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. |
Use of Sources (worth a maximum of 20% of the total points). |
Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. |
5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. |
10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. |
15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. |
20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. |
Grammar (worth maximum of 20% of total points) |
Zero points: Student failed to submit the final paper. |
5 points out of 20: The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors |
10 points out 20: The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors |
15 points out of 20: The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. |
20 points: The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. |
Structure of the Paper (worth 10% of total points) |
Zero points: Student failed to submit the final paper. |
3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. |
5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements. The student also significantly writes too large or too short of and paper |
7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. |
10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. |
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