ICONS atlas: AUS - Spencer Embayment

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Overview

This page bundles the available data for the Spencer Embayment 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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Spencer Embayment location map

Basin name	Spencer Embayment
Region code	AUS
Basin ID	8190
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.

Spencer Embayment cross section

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Dynamic topography evolution for basin centroid

Spencer Embayment 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

Spencer Embayment location map

Statistics - OzSEEBASE depth2basement
Median	-0.051
Mean	-0.238
Scale	0.076
stdev	0.735
Z_min/Location	-5.711/-35.6°Lat 136.233°Lon
Z_max/Location	0.056/ -33.8667°Lat 137.033°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

Spencer Embayment location map

Statistics - Base middle crust
Median	-22.344
Mean	-22.332
Scale	0.304
stdev	0.307
Z_min/Location	-23.358/-32.9667°Lat 137.633°Lon
Z_max/Location	-21.275/ -35.6333°Lat 136.767°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)

Spencer Embayment location map

Statistics - Topography (ETOPO2)
Median	-35.000
Mean	-41.287
Scale	20.756
stdev	26.931
Z_min/Location	-154.000/-35.2667°Lat 136.1°Lon
Z_max/Location	-1.000/ -33.0°Lat 137.633°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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OzSEEBASE sediment thickness

Spencer Embayment location map

Statistics - OzSEEBASE sediment thickness
Median	0.027
Mean	0.207
Scale	0.040
stdev	0.705
Z_min/Location	0.000/-33.0°Lat 137.6°Lon
Z_max/Location	5.722/ -35.6°Lat 136.233°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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Mobil isopachs

Spencer Embayment location map

Statistics - Mobil isopachs
Median	-0.145
Mean	-0.016
Scale	0.979
stdev	0.831
Z_min/Location	-1.317/-34.1333°Lat 136.733°Lon
Z_max/Location	1.867/ -33.1333°Lat 137.8°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

Spencer Embayment location map

Statistics - Plain crustal thickness
Median	27.293
Mean	27.361
Scale	2.646
stdev	2.275
Z_min/Location	23.562/-35.6°Lat 136.233°Lon
Z_max/Location	32.586/ -32.9667°Lat 137.633°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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GA crustal thickness

Spencer Embayment location map

Statistics - GA crustal thickness
Median	29.312
Mean	29.400
Scale	6.167
stdev	4.490
Z_min/Location	21.799/-35.6°Lat 136.233°Lon
Z_max/Location	36.533/ -32.9667°Lat 137.667°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

Spencer Embayment location map

Statistics - Base lower crust
Median	-30.285
Mean	-30.403
Scale	0.459
stdev	0.660
Z_min/Location	-32.988/-32.9667°Lat 137.633°Lon
Z_max/Location	-28.927/ -35.6333°Lat 136.767°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

Spencer Embayment location map

Statistics - Total crustal thickness
Median	29.017
Mean	28.946
Scale	2.158
stdev	1.889
Z_min/Location	25.302/-35.6333°Lat 136.767°Lon
Z_max/Location	33.209/ -32.9667°Lat 137.633°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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Base upper crust

Spencer Embayment location map

Statistics - Base upper crust
Median	-12.685
Mean	-12.669
Scale	1.325
stdev	0.904
Z_min/Location	-14.120/-35.5667°Lat 136.2°Lon
Z_max/Location	-11.253/ -33.4667°Lat 137.767°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

Spencer Embayment location map

Statistics - Thermal lithospheric thickness
Median	112.214
Mean	111.566
Scale	5.591
stdev	5.465
Z_min/Location	99.890/-33.1333°Lat 137.8°Lon
Z_max/Location	121.487/ -35.2667°Lat 136.033°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)

Spencer Embayment location map

Statistics - Sediment thickness (Australia, GA)
Median	0.000
Mean	0.655
Scale	0.002
stdev	1.385
Z_min/Location	-0.192/-35.6°Lat 136.767°Lon
Z_max/Location	7.080/ -35.6°Lat 136.233°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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Heatflow

Spencer Embayment location map

Statistics - Heatflow
Median	59.546
Mean	59.335
Scale	4.504
stdev	3.663
Z_min/Location	52.009/-32.9667°Lat 137.633°Lon
Z_max/Location	65.341/ -35.6333°Lat 136.567°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

Spencer Embayment location map

Statistics - Depth of 550 deg isotherm
Median	-34.905
Mean	-34.876
Scale	1.049
stdev	0.931
Z_min/Location	-36.831/-35.2667°Lat 136.033°Lon
Z_max/Location	-33.172/ -33.3667°Lat 137.833°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

Spencer Embayment location map

Statistics - Mantle Lid thickness
Median	84.140
Mean	82.619
Scale	6.537
stdev	6.935
Z_min/Location	67.537/-33.1333°Lat 137.8°Lon
Z_max/Location	95.160/ -35.2667°Lat 136.033°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

Spencer Embayment location map

Statistics - Base hard sediments
Median	-2.948
Mean	-3.041
Scale	2.526
stdev	1.781
Z_min/Location	-6.106/-35.6°Lat 136.233°Lon
Z_max/Location	-0.384/ -32.9667°Lat 137.667°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

Spencer Embayment location map

Statistics - OzSEEBASE crustal thickness
Median	33.421
Mean	33.179
Scale	6.496
stdev	4.834
Z_min/Location	19.424/-35.6°Lat 136.233°Lon
Z_max/Location	40.093/ -32.9667°Lat 137.633°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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Temperature at 50km depth

Spencer Embayment location map

Statistics - Temperature at 50km depth
Median	801.912
Mean	803.677
Scale	21.821
stdev	20.590
Z_min/Location	764.664/-35.2667°Lat 136.033°Lon
Z_max/Location	846.003/ -33.1333°Lat 137.8°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

Spencer Embayment location map

Statistics - Laske sediment thickness
Median	1.051
Mean	1.526
Scale	1.182
stdev	1.276
Z_min/Location	0.191/-33.2667°Lat 137.433°Lon
Z_max/Location	4.384/ -35.2667°Lat 136.033°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

Spencer Embayment location map

Statistics - Lithospheric temperature gradient
Median	8.019
Mean	8.074
Scale	0.181
stdev	0.198
Z_min/Location	7.777/-35.2°Lat 136.067°Lon
Z_max/Location	8.658/ -33.3667°Lat 137.833°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

Spencer Embayment location map

Statistics - Isostatic correction
Median	0.445
Mean	0.622
Scale	0.496
stdev	0.504
Z_min/Location	0.082/-33.2667°Lat 137.433°Lon
Z_max/Location	1.704/-35.2667°Lat 136.033°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)

Spencer Embayment location map

Statistics - TTS (sediment)
Median	2.485
Mean	2.420
Scale	1.740
stdev	1.313
Z_min/Location	0.275/-33.0333°Lat 137.733°Lon
Z_max/Location	4.651/-35.6°Lat 136.233°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)

Spencer Embayment location map

Statistics - Beta (Sediment)
Median	1.466
Mean	1.542
Scale	0.467
stdev	0.398
Z_min/Location	1.036/-33.0333°Lat 137.733°Lon
Z_max/Location	2.467/-35.6°Lat 136.233°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.

Spencer Embayment location map

Statistics - Crustal vs lithosph. extn.
Median	0.051
Mean	0.033
Scale	0.134
stdev	0.125
Z_min/Location	-0.233/-32.9667°Lat 137.667°Lon
Z_max/Location	0.249/-35.3333°Lat 136.033°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

Spencer Embayment location map

Statistics - Anomalous TTS
Median	2.418
Mean	2.346
Scale	0.967
stdev	0.688
Z_min/Location	1.218/-33.5°Lat 137.733°Lon
Z_max/Location	3.529/-35.6333°Lat 136.433°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

Spencer Embayment location map

Statistics - Predicted elevation
Median	675.261
Mean	692.243
Scale	320.451
stdev	279.345
Z_min/Location	197.298/-35.3333°Lat 136.033°Lon
Z_max/Location	1290.900/-32.9667°Lat 137.667°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)

Spencer Embayment location map

Statistics - Beta (Crust)
Median	1.012
Mean	1.016
Scale	0.099
stdev	0.084
Z_min/Location	0.848/-32.9667°Lat 137.633°Lon
Z_max/Location	1.172/-35.6°Lat 136.233°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)

Spencer Embayment location map

Statistics - TTS (crust)
Median	0.093
Mean	0.074
Scale	0.749
stdev	0.644
Z_min/Location	-1.405/-32.9667°Lat 137.633°Lon
Z_max/Location	1.150/-35.6°Lat 136.233°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

Spencer Embayment location map

Statistics - Differential Beta
Median	0.457
Mean	0.526
Scale	0.365
stdev	0.317
Z_min/Location	0.153/-33.4333°Lat 137.8°Lon
Z_max/Location	1.299/-35.6333°Lat 136.433°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