Australia 85 magnetic declination (variation D) isomagnetic chart 1985.0 epoch 1:10M

Image showing gravity sation coverage and relative reliability over Australia, updated to May 2011

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Index maps for over 800 magnetic/radiometric airborne geophysical surveys in Australia

Australia 85 horizontal magnetic intensity (H) isomagnetic chart 1985.0 epoch 1:10M

Index maps for over 800 magnetic/radiometric airborne geophysical surveys in Australia

Displays the coverage of publicly available digital gamma-ray spectrometric data. The map legend is coloured according to the line spacing of the survey with broader line spacings (lower resolution surveys) displayed in lighter shades of blue and coral. Closer line spacings (higher resolution surveys are displayed in red, dark blue and purple.

Displays the coverage of publicly available digital gamma-ray spectrometric data. The map legend is coloured according to the line spacing of the survey with broader line spacings (lower resolution surveys) displayed in shades of blue. Closer line spacings (higher resolution surveys are displayed in red, purple and coral.

An attractive multicoloured map of the entire Antarctic continent. In addition to major rock features, the map shows the shape of the ice cap through contours, spot elevations, ice thicknesses and relief shading. Depth contours depict the bathymetry of the adjacent seas. Scientific stations of the Antarctic Treaty nations are also shown. Heard and Macquarie Islands at 1:250,000 scale and the McDonald Islands at 1:125,000 scale are included as insets. A gazetteer appears on the reverse.

The map shows in situ coal resoruces. The resources of brown and black coal depsits are totalled and assigned to basins/regions which host these deposits.