ICONS atlas: AUS - Gunnedah Basin

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Overview

This page bundles the available data for the Gunnedah 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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Gunnedah Basin location map

Basin name	Gunnedah Basin
Region code	AUS
Basin ID	8140
Plate location/code	/

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.

Gunnedah Basin cross section

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Dynamic topography evolution for basin centroid

Gunnedah 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

Gunnedah Basin location map

Statistics - OzSEEBASE depth2basement
Median	-0.891
Mean	-0.701
Scale	0.686
stdev	0.670
Z_min/Location	-2.748/-29.6667°Lat 150.133°Lon
Z_max/Location	0.801/ -32.8333°Lat 149.967°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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Base middle crust

Gunnedah Basin location map

Statistics - Base middle crust
Median	-27.506
Mean	-27.540
Scale	0.152
stdev	0.168
Z_min/Location	-28.254/-32.9°Lat 149.933°Lon
Z_max/Location	-27.077/ -30.8667°Lat 149.067°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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Topography (ETOPO2)

Gunnedah Basin location map

Statistics - Topography (ETOPO2)
Median	400.000
Mean	426.767
Scale	148.260
stdev	163.896
Z_min/Location	100.000/-32.4°Lat 150.667°Lon
Z_max/Location	1440.000/ -30.2667°Lat 150.133°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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OzSEEBASE sediment thickness

Gunnedah Basin location map

Statistics - OzSEEBASE sediment thickness
Median	1.295
Mean	1.123
Scale	0.583
stdev	0.618
Z_min/Location	0.000/-31.9333°Lat 149.667°Lon
Z_max/Location	3.194/ -29.6333°Lat 150.2°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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Mobil isopachs

Gunnedah Basin location map

Statistics - Mobil isopachs
Median	0.990
Mean	0.925
Scale	0.096
stdev	0.186
Z_min/Location	0.231/-32.2667°Lat 148.967°Lon
Z_max/Location	1.489/ -32.3667°Lat 150.733°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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Plain crustal thickness

Gunnedah Basin location map

Statistics - Plain crustal thickness
Median	41.334
Mean	41.399
Scale	0.276
stdev	0.431
Z_min/Location	39.996/-29.6°Lat 150.333°Lon
Z_max/Location	43.115/ -32.9°Lat 149.933°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

Gunnedah Basin location map

Statistics - GA crustal thickness
Median	39.988
Mean	40.026
Scale	0.559
stdev	0.780
Z_min/Location	38.361/-31.2°Lat 150.667°Lon
Z_max/Location	42.397/ -32.9°Lat 150.0°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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Base lower crust

Gunnedah Basin location map

Statistics - Base lower crust
Median	-41.528
Mean	-41.569
Scale	0.229
stdev	0.270
Z_min/Location	-42.713/-32.9°Lat 149.933°Lon
Z_max/Location	-40.713/ -30.8667°Lat 149.067°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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Total crustal thickness

Gunnedah Basin location map

Statistics - Total crustal thickness
Median	42.009
Mean	42.038
Scale	0.221
stdev	0.321
Z_min/Location	41.023/-30.8667°Lat 149.067°Lon
Z_max/Location	43.359/ -32.9°Lat 149.933°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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Base upper crust

Gunnedah Basin location map

Statistics - Base upper crust
Median	-13.485
Mean	-13.511
Scale	0.085
stdev	0.093
Z_min/Location	-13.804/-32.9°Lat 149.933°Lon
Z_max/Location	-13.315/ -31.1333°Lat 150.633°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

Gunnedah Basin location map

Statistics - Thermal lithospheric thickness
Median	127.934
Mean	127.602
Scale	1.656
stdev	1.603
Z_min/Location	120.760/-32.9°Lat 149.933°Lon
Z_max/Location	130.000/ -32.0°Lat 149.0°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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Sediment thickness (Australia, GA)

Gunnedah Basin location map

Statistics - Sediment thickness (Australia, GA)
Median	0.609
Mean	0.679
Scale	0.315
stdev	0.304
Z_min/Location	0.000/-32.3333°Lat 150.6°Lon
Z_max/Location	1.780/ -30.2667°Lat 150.133°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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Heatflow

Gunnedah Basin location map

Statistics - Heatflow
Median	81.171
Mean	81.390
Scale	1.470
stdev	1.592
Z_min/Location	78.124/-30.9333°Lat 149.033°Lon
Z_max/Location	85.871/ -32.1°Lat 150.933°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

Gunnedah Basin location map

Statistics - Depth of 550 deg isotherm
Median	-38.699
Mean	-38.603
Scale	0.309
stdev	0.355
Z_min/Location	-39.000/-30.0°Lat 150.0°Lon
Z_max/Location	-37.149/ -32.9°Lat 149.933°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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Mantle Lid thickness

Gunnedah Basin location map

Statistics - Mantle Lid thickness
Median	85.921
Mean	85.565
Scale	1.602
stdev	1.706
Z_min/Location	77.401/-32.9°Lat 149.933°Lon
Z_max/Location	88.000/ -32.0°Lat 150.0°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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Base hard sediments

Gunnedah Basin location map

Statistics - Base hard sediments
Median	-0.105
Mean	-0.169
Scale	0.235
stdev	0.261
Z_min/Location	-0.867/-29.7°Lat 149.933°Lon
Z_max/Location	0.402/ -32.9°Lat 149.933°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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OzSEEBASE crustal thickness

Gunnedah Basin location map

Statistics - OzSEEBASE crustal thickness
Median	39.239
Mean	38.813
Scale	2.410
stdev	2.122
Z_min/Location	33.213/-29.6°Lat 150.333°Lon
Z_max/Location	43.046/ -32.7667°Lat 150.167°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

Gunnedah Basin location map

Statistics - Temperature at 50km depth
Median	716.193
Mean	717.758
Scale	6.617
stdev	7.062
Z_min/Location	707.000/-32.0°Lat 149.0°Lon
Z_max/Location	749.536/ -32.9°Lat 149.933°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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Laske sediment thickness

Gunnedah Basin location map

Statistics - Laske sediment thickness
Median	0.423
Mean	0.431
Scale	0.250
stdev	0.223
Z_min/Location	-0.045/-32.9°Lat 149.933°Lon
Z_max/Location	0.920/ -29.7333°Lat 149.867°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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Lithospheric temperature gradient

Gunnedah Basin location map

Statistics - Lithospheric temperature gradient
Median	7.577
Mean	7.603
Scale	0.103
stdev	0.135
Z_min/Location	7.408/-32.0°Lat 149.0°Lon
Z_max/Location	8.273/ -32.9°Lat 150.0°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

Gunnedah Basin location map

Statistics - Isostatic correction
Median	0.182
Mean	0.185
Scale	0.106
stdev	0.095
Z_min/Location	0.000/-32.3°Lat 149.733°Lon
Z_max/Location	0.391/-29.7333°Lat 149.867°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)

Gunnedah Basin location map

Statistics - TTS (sediment)
Median	-0.042
Mean	-0.015
Scale	0.164
stdev	0.187
Z_min/Location	-0.411/-32.6333°Lat 150.433°Lon
Z_max/Location	0.477/-29.7°Lat 149.933°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 (Sediment)

Gunnedah Basin location map

Statistics - Beta (Sediment)
Median	0.995
Mean	0.999
Scale	0.021
stdev	0.024
Z_min/Location	0.950/-32.6333°Lat 150.433°Lon
Z_max/Location	1.065/-29.7°Lat 149.933°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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Crustal vs lithosph. extn.

Gunnedah Basin location map

Statistics - Crustal vs lithosph. extn.
Median	0.020
Mean	0.015
Scale	0.010
stdev	0.018
Z_min/Location	-0.081/-32.9°Lat 149.933°Lon
Z_max/Location	0.056/-29.6°Lat 150.333°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

Gunnedah Basin location map

Statistics - Anomalous TTS
Median	-0.107
Mean	-0.055
Scale	0.067
stdev	0.128
Z_min/Location	-0.288/-32.5°Lat 150.567°Lon
Z_max/Location	0.257/-29.7333°Lat 149.867°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

Gunnedah Basin location map

Statistics - Predicted elevation
Median	1484.680
Mean	1494.320
Scale	24.657
stdev	34.892
Z_min/Location	1428.090/-29.6°Lat 150.333°Lon
Z_max/Location	1674.780/-32.9°Lat 149.933°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)

Gunnedah Basin location map

Statistics - Beta (Crust)
Median	1.007
Mean	1.005
Scale	0.007
stdev	0.010
Z_min/Location	0.965/-32.9°Lat 149.933°Lon
Z_max/Location	1.040/-29.6°Lat 150.333°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)

Gunnedah Basin location map

Statistics - TTS (crust)
Median	0.052
Mean	0.039
Scale	0.052
stdev	0.081
Z_min/Location	-0.283/-32.9°Lat 149.933°Lon
Z_max/Location	0.303/-29.6°Lat 150.333°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

Gunnedah Basin location map

Statistics - Differential Beta
Median	-0.014
Mean	-0.007
Scale	0.008
stdev	0.017
Z_min/Location	-0.035/-32.4333°Lat 150.667°Lon
Z_max/Location	0.036/-29.7333°Lat 149.867°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