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 Chronology: Relative and Absolute Dating methods 28 Flashcards |
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What is absolute chronology, and how does it differ from relative dating? |
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Absolute chronology gives specific dates.
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Radiocarbon dating is effective for samples up to ___ years old. |
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60,000 years |
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True or False: Dendrochronology can be used to determine the climate conditions during the years represented by tree rings. |
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True |
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Fill in the blank: The method of dating that analyzes the growth rings of trees is called ___. |
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Dendrochronology |
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Fission track dating primarily relies on the analysis of ___ left by uranium isotopes. |
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Damaged trails in minerals and glasses |
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True or False: Luminescence dating can date samples with a maximum accuracy of 30%. |
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False. Luminescence dating has a 15% accuracy rate due to fluctuating radiation levels over time. |
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What does archaeomagnetic dating analyze to determine the age of materials? |
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Changes in the Earth's magnetic field recorded in archaeological materials |
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Fill in the blank: Amino acid dating is primarily used to date organic materials based on the ___ of amino acids over time. |
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Racemization |
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True or False: Radiocarbon dating is the only method used for absolute chronology. |
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False Multiple methods exist for absolute dating.
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What is the significance of combining multiple dating techniques? |
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Combining multiple techniques can improve the accuracy of dating and provide a more comprehensive understanding of the age of samples and artifacts. |
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Which of the following methods is NOT mentioned as part of absolute chronology: a) Dendrochronology b) Thermoluminescence dating c) Potassium-argon dating? |
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B) Thermoluminescence dating |
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True or False: Luminescence dating can only be used for pottery and ceramics. |
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False. Luminescence dating can also be used for sediments and geological formations that contain crystalline minerals. |
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How does combining different absolute dating methods improve the accuracy of dating? |
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Combining methods increases dating accuracy.
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Fill in the blank: The half-life of carbon-14 is approximately ___ years. |
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5,730 |
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