Mathematical Sciences Classification System
86Axx - Geophysics 
[See also  76U05,  76V05]
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                            86A04General
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                            86A05
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                            86A10
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                            86A15Seismology
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                            86A17Global dynamics, earthquake problems
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                            86A20Potentials, prospecting
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                            86A22Inverse problems [See also 35R30]
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                            86A25
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                            86A30Geodesy, mapping problems
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                            86A32Geostatistics
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                            86A40Glaciology
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                            86A60Geological problems
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                            86A99Miscellaneous topics