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| 암석학적 분석× | 층서 대비× | |
|---|---|---|
| 분야 | 지구과학 | 지구과학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1858 | 1901 |
| 창시자≠ | Henry Clifton Sorby | Albrecht Penck and Eduard Brückner |
| 유형≠ | compositional characterization pipeline | stratigraphic analysis pipeline |
| 원전≠ | Tucker, M. E. (2003). Sedimentary Rocks in the Field: A Color Guide (3rd ed.). John Wiley & Sons. link ↗ | Catuneanu, O. (2002). Sequence Stratigraphy of Clastic Systems. Geological Association of Canada. link ↗ |
| 별칭 | microscopy analysis, thin section analysis, modal composition determination | lithostratigraphic correlation, chronostratigraphic correlation, sequence correlation |
| 관련 | 5 | 5 |
| 요약≠ | Petrographic analysis is the microscopic examination of rock thin sections to determine mineral composition, grain size, texture, and diagenetic alteration. Pioneered by Sorby in 1858, this method remains the gold standard for understanding lithology and has evolved to include quantitative image analysis and cathodoluminescence. Petrographic data anchor well-log interpretation, validate seismic velocity models, and constrain paleoenvironmental and diagenetic histories. | 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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