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ARCHAEOMAGNETISM

ARCHAEOMAGNETISM. DATING Absolute age Stratigraphy and relative age Earth’s magnetic field EARTH’S MAGNETIC FIELD Description and definitions Internal and external field Origin of the Earth’s magnetic field PALAEOSECULAR VARIATION Declination, Inclination, Intensity Direct measurements

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ARCHAEOMAGNETISM

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  1. ARCHAEOMAGNETISM • DATING • Absolute age • Stratigraphy and relative age • Earth’s magnetic field • EARTH’S MAGNETIC FIELD • Description and definitions • Internal and external field • Origin of the Earth’s magnetic field • PALAEOSECULAR VARIATION • Declination, Inclination, Intensity • Direct measurements • Representation of data

  2. REMANENT MAGNETISATION • Dia-, para- and ferro-magnetism • Magnetic domains, relaxation time, coercivity • Thermal and detrital magnetisation • Primary and secondary magnetisation • ARCHAEOMAGNETIC METHOD • Basic principles of the method • Measurements • Laboratory-instrumentation • Sampling • Data analyses • BAKED MATERIALS (kilns, fireplaces, bricks, pottery …. ) • Remanent Magnetisation • Examples

  3. VOLCANIC ROCKS • Remanent Magnetisation • Examples • PAINTINGS • Remanent Magnetisation • Examples • LAKE SEDIMENTS • Remanent Magnetisation • Examples

  4. RESULTS AND CASE HISTORIES • Characteristic examples • Secular variation curves from different countries • SPECIAL TOPICS • Burning temperature, ... • DISCUSSION 

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