পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| ইউরেনিয়াম-থরিয়াম ডেটিং× | আলোক-উদ্দীপিত দ্যুতিমিতি কালনির্ণয়× | |
|---|---|---|
| ক্ষেত্র | প্রত্নতত্ত্ব | প্রত্নতত্ত্ব |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1955 | 1985 |
| প্রবর্তক≠ | Harmon Craig | David Huntley |
| ধরন≠ | Decay series dating technique | Luminescence dating technique |
| মৌলিক উৎস≠ | Edwards, R. L., Chen, J. H., & Wasserburg, G. J. (1987). U-238, U-234 and Th-230 in seawater. Geochimica et Cosmochimica Acta, 51(5), 1213-1225. link ↗ | Huntley, D. J., Godfrey-Smith, D. I., & Thewalt, M. L. (1985). Thermoluminescence dating of ocean sediments. Canadian Journal of Earth Sciences, 22(3), 423-427. link ↗ |
| অপর নাম | U-Th dating, thorium-230 dating | OSL dating, optical dating |
| সম্পর্কিত | 4 | 4 |
| সারসংক্ষেপ≠ | Uranium-thorium (U-Th) dating is a chronometric method that determines the age of carbonates, shells, bones, and coral by measuring the ratio of uranium isotopes to thorium-230. First applied by Harmon Craig in the 1950s, it exploits the natural radioactive decay chain of uranium. U-Th dating is particularly valuable for dating materials from 500 to 500,000 years old, filling a crucial chronological gap between radiocarbon and potassium-argon dating. | Optically stimulated luminescence (OSL) dating is a chronometric method that determines the age of sedimentary materials by measuring light-induced electron release from mineral grains. Developed by David Huntley and colleagues in the 1980s, it measures the time elapsed since sediment was last exposed to sunlight. This technique is widely used in archaeology, geology, and paleoenvironmental studies to date deposits ranging from a few decades to several hundred thousand years old. |
| ScholarGateডেটাসেট ↗ |
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