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| 탄소-14 연대 측정법× | 고지자기 분석× | |
|---|---|---|
| 분야 | 지구물리학 | 지구물리학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1949 | 1953 |
| 창시자≠ | Willard Libby | Ronald Fisher and contributors |
| 유형≠ | Chronometric method based on ¹⁴C decay | Analysis of remnant magnetization in rocks for chronology and tectonics |
| 원전≠ | Libby, W. F. (1949). Radiocarbon dating. University of Chicago Press. link ↗ | Fisher, R. A. (1953). Dispersion on a sphere. Proceedings of the Royal Society of London, 217(1130), 295-305. DOI ↗ |
| 별칭≠ | ¹⁴C dating, Carbon-14 dating | Paleomagnetism |
| 관련 | 3 | 3 |
| 요약≠ | Radiocarbon dating is a radiometric technique that determines the age of organic materials by measuring the radioactive decay of ¹⁴C (carbon-14), a rare isotope produced in the atmosphere by cosmic ray interactions. Developed by Willard Libby in 1949, radiocarbon dating became a foundational method in archaeology, paleoclimate studies, and geology, enabling dating of organic materials from the past ~50,000 years with typical precision of ±50–100 years. | Paleomagnetic analysis is the study of remnant magnetization in rocks and sediments to determine the direction and magnitude of the Earth's ancient magnetic field and to establish the ages and tectonic histories of crustal rocks. Formalized by Fisher (1953) and Butler (1992), paleomagnetism underpins plate tectonics plate reconstruction, magnetostratigraphic dating, and paleoclimate studies. |
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