ICONS atlas: AUS - Georgina Basin

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Overview

This page bundles the available data for the Georgina Basin in the Australia. The images are hyperlinks and will open up a separate window with a high resolution PDF image of the map.
The basin data is derived from a lower resolution grid which has been upsampled using GMT. This could have introduced an accuracy which is beyond the original data resolution.

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Georgina Basin location map
Basin name Georgina Basin
Region code AUS
Basin ID 8060
Plate location/code intra-cratonic/INC
Basin cross section

The basin cross section is automatically generated using the available crustal structure data sets. Sometimes the data labels are not plotted correctly, depending on the length of the section.

The location of the profile is indicated in all maps as dashed-dotted thin black line. For the endpoints of the profile, the two points of a given polygon located farthest away from each other were computed.

Georgina Basin cross section
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Dynamic topography evolution for basin centroid
Georgina Basin dynamic topography through time

The dynamic topography history for the basin is derived by tracking the basin centroid. The paleo-location for this point is computed using the EarthByte plate kinematic framework rotating the position back in time.

The dynamic topography model is derived from the S20RTS seismic tomography model (Ritsema et al., 99) by converting seismic velocites to density anomalies using an empirical scaling factor of 0.25. The density anomalies are then advected back in time to compute mantle flow with plate motions superimposed (using the EarthByte plate rotation framework) as surface boundary conditions. The dynamic topography is then derived from the computed density distribution using a free upper boundary. For details regarding the methodology see the following papers:

  • B. Steinberger, H. Schmeling, and G. Marquart. Large-scale lithospheric stress field and topography induced by global mantle circulation. Earth Planet. Sci. Lett., 186:75-91, 2001.
    doi: 10.1016/S0012-821X(01)00229-1.
  • B. Steinberger. Effects of latent heat release at phase boundaries on flow in the Earth's mantle, phase boundary topography and dynamic topography at the Earth's surface. Phys. Earth Planet. Int., 164:2-20, 2007.
    doi: 10.1016/j.pepi.2007.04.021.

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Observations

OzSEEBASE depth2basement
Georgina Basin location map
Statistics - OzSEEBASE depth2basement
Median -0.520
Mean -0.633
Scale 0.328
stdev 0.515
Z_min/Location -4.502/-23.3667°Lat 138.3°Lon
Z_max/Location 0.454/ -21.5°Lat 135.467°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base middle crust
Georgina Basin location map
Statistics - Base middle crust
Median -28.590
Mean -29.045
Scale 2.921
stdev 2.435
Z_min/Location -34.663/-21.9333°Lat 134.5°Lon
Z_max/Location -24.433/ -22.1°Lat 138.5°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Topography (ETOPO2)
Georgina Basin location map
Statistics - Topography (ETOPO2)
Median 237.000
Mean 243.400
Scale 37.065
stdev 59.680
Z_min/Location 98.000/-14.9333°Lat 133.3°Lon
Z_max/Location 620.000/ -22.5°Lat 135.733°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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OzSEEBASE sediment thickness
Georgina Basin location map
Statistics - OzSEEBASE sediment thickness
Median 0.766
Mean 0.887
Scale 0.316
stdev 0.514
Z_min/Location 0.000/-14.7333°Lat 133.067°Lon
Z_max/Location 4.659/ -23.4°Lat 138.3°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Mobil isopachs
Georgina Basin location map
Statistics - Mobil isopachs
Median 0.028
Mean 0.027
Scale 0.086
stdev 0.094
Z_min/Location -0.491/-22.1667°Lat 134.667°Lon
Z_max/Location 0.354/ -23.5333°Lat 139.2°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Plain crustal thickness
Georgina Basin location map
Statistics - Plain crustal thickness
Median 41.428
Mean 42.331
Scale 4.111
stdev 4.050
Z_min/Location 33.914/-23.9333°Lat 138.167°Lon
Z_max/Location 50.881/ -17.1667°Lat 135.933°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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GA crustal thickness
Georgina Basin location map
Statistics - GA crustal thickness
Median 44.222
Mean 43.605
Scale 4.492
stdev 4.405
Z_min/Location 29.366/-22.1667°Lat 138.0°Lon
Z_max/Location 54.498/ -20.7°Lat 138.433°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base lower crust
Georgina Basin location map
Statistics - Base lower crust
Median -41.265
Mean -42.361
Scale 3.937
stdev 3.865
Z_min/Location -50.622/-17.1667°Lat 135.933°Lon
Z_max/Location -35.750/ -23.8667°Lat 138.233°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Total crustal thickness
Georgina Basin location map
Statistics - Total crustal thickness
Median 41.544
Mean 42.635
Scale 4.019
stdev 3.919
Z_min/Location 35.852/-23.8667°Lat 138.233°Lon
Z_max/Location 51.036/ -21.8667°Lat 134.467°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base upper crust
Georgina Basin location map
Statistics - Base upper crust
Median -14.041
Mean -14.257
Scale 1.118
stdev 1.024
Z_min/Location -17.493/-22.0°Lat 134.533°Lon
Z_max/Location -12.236/ -22.0°Lat 138.2°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Thermal lithospheric thickness
Georgina Basin location map
Statistics - Thermal lithospheric thickness
Median 144.890
Mean 146.081
Scale 7.663
stdev 9.147
Z_min/Location 131.000/-17.0°Lat 135.0°Lon
Z_max/Location 174.639/ -14.7333°Lat 133.067°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Sediment thickness (Australia, GA)
Georgina Basin location map
Statistics - Sediment thickness (Australia, GA)
Median 1.079
Mean 1.645
Scale 1.119
stdev 1.898
Z_min/Location -0.089/-17.3333°Lat 134.367°Lon
Z_max/Location 12.092/ -17.6333°Lat 134.867°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Heatflow
Georgina Basin location map
Statistics - Heatflow
Median 46.141
Mean 46.156
Scale 0.886
stdev 1.318
Z_min/Location 42.878/-22.1°Lat 135.867°Lon
Z_max/Location 50.646/ -19.3333°Lat 138.933°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Depth of 550 deg isotherm
Georgina Basin location map
Statistics - Depth of 550 deg isotherm
Median -41.925
Mean -42.159
Scale 1.336
stdev 1.640
Z_min/Location -47.365/-14.7333°Lat 133.067°Lon
Z_max/Location -39.558/ -17.1667°Lat 135.967°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Mantle Lid thickness
Georgina Basin location map
Statistics - Mantle Lid thickness
Median 104.452
Mean 103.446
Scale 11.302
stdev 11.830
Z_min/Location 80.541/-17.1667°Lat 135.933°Lon
Z_max/Location 135.063/ -14.7333°Lat 133.067°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Base hard sediments
Georgina Basin location map
Statistics - Base hard sediments
Median 0.128
Mean -0.029
Scale 0.202
stdev 0.422
Z_min/Location -1.873/-23.9667°Lat 138.1°Lon
Z_max/Location 0.322/ -14.9°Lat 132.7°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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OzSEEBASE crustal thickness
Georgina Basin location map
Statistics - OzSEEBASE crustal thickness
Median 43.228
Mean 41.956
Scale 6.184
stdev 7.147
Z_min/Location 21.022/-23.4°Lat 138.367°Lon
Z_max/Location 57.077/ -16.4°Lat 134.9°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Temperature at 50km depth
Georgina Basin location map
Statistics - Temperature at 50km depth
Median 662.825
Mean 660.660
Scale 21.453
stdev 24.436
Z_min/Location 589.284/-14.7333°Lat 133.067°Lon
Z_max/Location 705.000/ -17.0°Lat 135.0°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Laske sediment thickness
Georgina Basin location map
Statistics - Laske sediment thickness
Median 0.541
Mean 0.577
Scale 0.119
stdev 0.365
Z_min/Location -0.010/-21.7°Lat 134.4°Lon
Z_max/Location 2.534/ -23.0333°Lat 139.133°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Lithospheric temperature gradient
Georgina Basin location map
Statistics - Lithospheric temperature gradient
Median 6.693
Mean 6.677
Scale 0.270
stdev 0.333
Z_min/Location 5.650/-15.0°Lat 132.033°Lon
Z_max/Location 7.329/ -18.0°Lat 135.0°Lon

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Computations

Isostatic correction
Georgina Basin location map
Statistics - Isostatic correction
Median 0.232
Mean 0.246
Scale 0.050
stdev 0.151
Z_min/Location 0.000/-21.6333°Lat 134.4°Lon
Z_max/Location 1.033/-23.0333°Lat 139.133°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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TTS (sediment)
Georgina Basin location map
Statistics - TTS (sediment)
Median -0.357
Mean -0.216
Scale 0.219
stdev 0.349
Z_min/Location -0.564/-17.7333°Lat 132.867°Lon
Z_max/Location 1.447/-23.9667°Lat 138.1°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Beta (Sediment)
Georgina Basin location map
Statistics - Beta (Sediment)
Median 0.956
Mean 0.975
Scale 0.025
stdev 0.046
Z_min/Location 0.933/-17.7333°Lat 132.867°Lon
Z_max/Location 1.227/-23.9667°Lat 138.1°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Crustal vs lithosph. extn.
Georgina Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.023
Mean -0.008
Scale 0.166
stdev 0.134
Z_min/Location -0.286/-17.1667°Lat 135.933°Lon
Z_max/Location 0.213/-14.7333°Lat 133.067°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Anomalous TTS
Georgina Basin location map
Statistics - Anomalous TTS
Median -0.213
Mean 0.018
Scale 0.774
stdev 0.739
Z_min/Location -0.907/-15.8°Lat 133.133°Lon
Z_max/Location 2.208/-21.9333°Lat 134.5°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Predicted elevation
Georgina Basin location map
Statistics - Predicted elevation
Median 1134.640
Mean 1187.350
Scale 373.134
stdev 305.473
Z_min/Location 546.719/-14.7333°Lat 133.067°Lon
Z_max/Location 1729.620/-17.1667°Lat 135.933°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Beta (Crust)
Georgina Basin location map
Statistics - Beta (Crust)
Median 0.992
Mean 0.980
Scale 0.097
stdev 0.094
Z_min/Location 0.808/-17.1667°Lat 135.933°Lon
Z_max/Location 1.212/-23.9333°Lat 138.167°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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TTS (crust)
Georgina Basin location map
Statistics - TTS (crust)
Median -0.063
Mean -0.235
Scale 0.782
stdev 0.771
Z_min/Location -1.861/-17.1667°Lat 135.933°Lon
Z_max/Location 1.367/-23.9333°Lat 138.167°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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Differential Beta
Georgina Basin location map
Statistics - Differential Beta
Median -0.027
Mean -0.005
Scale 0.101
stdev 0.087
Z_min/Location -0.134/-22.9°Lat 138.867°Lon
Z_max/Location 0.250/-21.9333°Lat 134.5°Lon

Comments

For explanation to the data source or computation of this grid please follow this link. Clicking the image will open a high-res PDF of the map. Units in the statistics table are same as map units. Z_min and Z_max refer to the minima and maxima with their respective geographic locations.

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This basin data is based on interpolated global grids and might contain gridding errors or wrongly interpolated data values.

Page generated 2008-08-03 02:36:37 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia