The separation of geochemical anomalies from background by fractal methods
作者： Qiuming Cheng , F.P. Agterberg , S.B. Ballantyne
DOI: 10.1016/0375-6742(94)90013-2
关键词: Multifractal system 、 Mineralogy 、 Silicic 、 Geology 、 Fractal 、 Geochemistry 、 Copper
摘要: Lithogeochemical data (major oxides and trace elements) from 1233 surface samples in the Mitchell-Sulphurets precious-metal district (≈ 120 km 2 in area), British Columbia, were analyzed using fractal and multifractal models. Log-log plots for element concentration-area and perimeter-area relations were employed to separate geochemically anomalous areas from background. The values used for perimeters and areas are the lengths and enclosed areas of geochemical isopleths obtained by interpolation. Elements and oxides, including …
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