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표제지
목차
국문요약 14
1. 소개 16
2. 지질개요 및 암석기재 21
2.1. 지질개요 21
2.2. 화성암류의 암석기재 25
3. 연구방법 31
3.1. 시료 준비 및 분석 방법 31
3.2. U-Pb 동위원소 자료 계산 41
4. 결과 47
4.1. Plešovice 표준 저어콘과 NIST610 표준 유리의 재현가능성 47
4.2. U-Pb 저어콘 연대 측정 결과 54
5. 토의 85
5.1. 외래 결정 저어콘 (xenocrystic zircon)의 의미 85
5.2. 부평환상구조 화성암의 기원 - 기존 연구들의 지구화학 자료 재고찰 91
6. 결론 100
참고문헌 101
ABSTRACT 106
Figure 1. (a) Simplified map of the Korean peninsula. (b) Landsat image showing a remarkable... 18
Figure 2. The shaded relief image of the Bupyeong area. 19
Figure 3. Geologic map of the Bupyeong area (modified after Seo and Park, 1986; Anyang, Seoul, Kimpo-Incheon 1:50,000 geologic... 23
Figure 4. The shaded relief image of the Bupyeong area overlain by gologecal map. 24
Figure 5. Photographs of hand specimens used for U-Pb zircon age determination. 28
Figure 6. Photomicrographs of thin sections under open nicol (left) and crossed nicol (right).... 29
Figure 7. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 33
Figure 8. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 34
Figure 9. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 35
Figure 10. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 36
Figure 11. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 37
Figure 12. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 38
Figure 13. Scanning electron microscope cathodoluminescence (CL) images of zircons of the... 39
Figure 14. Measuring sequence during using the LA-ICP-MS. The numbers in brackets mean the... 40
Figure 15. Zircon U-Pb concordia diagram of the standard zircon FC1 plotted as (a) Wetherill's... 44
Figure 16. 204Pb/206Pb, 207Pb/206Pb, 208Pb/206Pb and 206Pb/238U isotopic ratio measurements of the...[이미지참조] 49
Figure 17. 204Pb/206Pb, 207Pb/206Pb, 208Pb/206Pb, 206Pb/238U and 208Pb/232Th isotopic ratio...[이미지참조] 51
Figure 18. The age population plots of each sample. 58
Figure 19. Zircon U-Pb concordia diagram of the sample ky06 plotted as Tera-wasserburg diagram.... 59
Figure 20. Zircon U-Pb concordia diagram of the sample nd01 plotted as Tera-wasserburg diagram.... 60
Figure 21. Zircon U-Pb concordia diagram of the merged data of sample ky06 and nd01 plotted as... 61
Figure 22. Zircon U-Pb concordia diagram of the sample ky01 plotted as Tera-wasserburg diagram.... 63
Figure 23. Zircon U-Pb concordia diagram of the sample bc08 plotted as Tera-wasserburg diagram.... 64
Figure 24. Zircon U-Pb concordia diagram of the sample sh02 plotted as Tera-wasserburg diagram. 65
Figure 25. Zircon U-Pb concordia diagram of the sample bc07 plotted as Tera-wasserburg diagram. 66
Figure 26. Zircon U-Pb concordia diagram of the sample se22 plotted as Tera-wasserburg diagram. 67
Figure 27. CL (cathodoluminescence, left column) and BSE (back scattered electron, right column)... 82
Figure 28. The compiled U-Pb zircon ages of the Nangrim Massif (a), Gyeonggi Massif (b) and... 89
Figure 29. The compiled U-Pb ages of the China Cratons. (a) Detrital zircon and monazite U-Pb... 90
Figure 30. Distribution of initial ¹⁴³Nd/¹⁴⁴Nd and initial 87Sr/86Sr ratios of several rock samples....[이미지참조] 94
Figure 31. Mixing hyperbolas formed by combining rocks of the continental crust with continental... 95
Figure 32. Multi-element spider diagrams of (a) volcanic rocks and (b) granites. Mid-oceanic-... 98
Figure 33. Tectonic discrimination diagrams (Pearce et al., 1984). (a) Nb-Y diagram. (b) Rb-Y+Nb... 99
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