विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| इलेक्ट्रॉन स्पिन रेजोनेंस डेटिंग× | ऑप्टिकली स्टिम्युलेटेड ल्यूमिनेसेंस डेटिंग× | |
|---|---|---|
| क्षेत्र | पुरातत्व | पुरातत्व |
| परिवार | Process / pipeline | Process / pipeline |
| उद्भव वर्ष≠ | 1980s | 1985 |
| प्रवर्तक≠ | Michael Aitken | David Huntley |
| प्रकार≠ | Paramagnetic resonance dating technique | Luminescence dating technique |
| मौलिक स्रोत≠ | Grün, R. (1989). Electron spin resonance (ESR) dating. Quaternary International, 1, 65-109. DOI ↗ | 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 ↗ |
| उपनाम≠ | ESR dating, electron paramagnetic resonance dating, EPR dating | OSL dating, optical dating |
| संबंधित | 4 | 4 |
| सारांश≠ | Electron spin resonance (ESR) dating is a chronometric method that determines the age of bones, teeth, mollusk shells, and sediments by measuring accumulated radiation-induced unpaired electrons. Developed by Michael Aitken in the 1980s, ESR detects free radicals trapped in mineral crystal structures. Unlike luminescence techniques that require heating or light exposure, ESR directly measures paramagnetic defects, making it particularly valuable for dating dental and skeletal remains that are inaccessible to other methods. | 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. |
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