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| 지연대 연대 측정× | 층서 대비× | |
|---|---|---|
| 분야 | 지구과학 | 지구과학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1902 | 1901 |
| 창시자≠ | Ernest Rutherford and Frederick Soddy | Albrecht Penck and Eduard Brückner |
| 유형≠ | temporal constraint pipeline | stratigraphic analysis pipeline |
| 원전≠ | Dickin, A. P. (2005). Radiogenic Isotope Geology (2nd ed.). Cambridge University Press. DOI ↗ | Catuneanu, O. (2002). Sequence Stratigraphy of Clastic Systems. Geological Association of Canada. link ↗ |
| 별칭 | radiometric dating, isotopic dating, age determination | lithostratigraphic correlation, chronostratigraphic correlation, sequence correlation |
| 관련≠ | 3 | 5 |
| 요약≠ | Geochronological dating is the determination of absolute ages of rocks and minerals using the decay of radioactive isotopes. Pioneered by Rutherford and Soddy (1902), this method provides numerical anchors for geological timescales and enables quantitative understanding of geological processes. Modern techniques (K-Ar, Rb-Sr, U-Pb, 40Ar/39Ar) span from recent to ancient events and are essential for calibrating relative chronologies and assessing rates of geological change. | Stratigraphic correlation is the practice of identifying equivalent rock layers or chronostratigraphic units across space by tracing physical or chemical signatures. Rooted in 19th-century work on Alpine glacial sequences, this method was formalized in the 20th century by geologists like Vail who unified global sea-level change with depositional sequences. Correlation is foundational to basin-scale understanding of sediment transport, resource distribution, and paleoenvironmental change. |
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