SOUTHERN COLOMBIA DATABASE SOUTH BRAZIL PACIFIC-ATLANTIC FIELD ASYMMETRIY PERMIAN-CARBONIFEROUS REVERSED SUPERCHRON ILLAWARRA HYPERZONE OF MIXED POLARITY SOUTH ATLANTIC ANOMALY CMB HEAT FLUX RELATIVE PALEOINTENSITY MODEL G LAKE SEDIMENTS COPAHUE VOLCANIC FIELD PALEOMAGNETISM TIME-AVERAGED FIELD VIRTUAL GEOMAGNETIC POLE DISPERSION INCLINATION ANOMALY MAGNETIC EQUATOR KIAMAN REVERSED SUPERCHRON LAST 10 MYR SOUTHWESTERN SOUTH ATLANTIC NEUQUÉN PROVINCE ARGENTINA GEODYNAMO PALEODIRECTION GEOMAGNETIC REVERSAL FREQUENCY VIRTUAL GEOMAGNETIC POLES LAGOA DO PATOS TRINDADE ISLAND PLEISTOCENE GEOMAGNETIC FIELD ROCK AND MINERAL MAGNETISM SOUTHWEST COLOMBIA EQUATORIAL PSV ASYMMETRY NORTHERN PATAGONIA LATE HOLOCENE