ICONS atlas: SUN - Southwest Sarawak Province

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Overview

This page bundles the available data for the Southwest Sarawak Province in the Sundaland Region. 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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Southwest Sarawak Province location map
Basin name Southwest Sarawak Province
Region code SUN
Basin ID 6370
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.

Southwest Sarawak Province cross section
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Dynamic topography evolution for basin centroid
Southwest Sarawak Province 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

Mantle Lid thickness
Southwest Sarawak Province location map
Statistics - Mantle Lid thickness
Median 65.273
Mean 65.505
Scale 0.962
stdev 0.930
Z_min/Location 64.211/2.1°Lat 110.533°Lon
Z_max/Location 67.711/ 3.2°Lat 110.033°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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Depth of 550 deg isotherm
Southwest Sarawak Province location map
Statistics - Depth of 550 deg isotherm
Median -32.240
Mean -32.269
Scale 0.149
stdev 0.135
Z_min/Location -32.581/3.1°Lat 109.8°Lon
Z_max/Location -32.062/ 2.1°Lat 110.033°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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Mobil isopachs
Southwest Sarawak Province location map
Statistics - Mobil isopachs
Median 0.523
Mean 0.755
Scale 0.498
stdev 0.675
Z_min/Location 0.010/2.33333°Lat 111.0°Lon
Z_max/Location 2.898/ 3.26667°Lat 110.6°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
Southwest Sarawak Province location map
Statistics - Plain crustal thickness
Median 29.585
Mean 29.560
Scale 0.416
stdev 0.347
Z_min/Location 28.710/3.26667°Lat 110.6°Lon
Z_max/Location 30.116/ 2.1°Lat 110.533°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
Southwest Sarawak Province location map
Statistics - Base middle crust
Median -20.970
Mean -21.014
Scale 0.078
stdev 0.114
Z_min/Location -21.356/2.73333°Lat 111.333°Lon
Z_max/Location -20.832/ 3.1°Lat 109.8°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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Base lower crust
Southwest Sarawak Province location map
Statistics - Base lower crust
Median -30.682
Mean -30.579
Scale 0.324
stdev 0.343
Z_min/Location -31.051/2.1°Lat 110.533°Lon
Z_max/Location -29.730/ 3.2°Lat 110.033°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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Total crustal thickness
Southwest Sarawak Province location map
Statistics - Total crustal thickness
Median 30.732
Mean 30.624
Scale 0.346
stdev 0.367
Z_min/Location 29.721/3.2°Lat 110.033°Lon
Z_max/Location 31.129/ 2.1°Lat 110.533°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
Southwest Sarawak Province location map
Statistics - Base upper crust
Median -10.974
Mean -11.026
Scale 0.102
stdev 0.142
Z_min/Location -11.452/2.73333°Lat 111.333°Lon
Z_max/Location -10.790/ 3.1°Lat 109.8°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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Thermal lithospheric thickness
Southwest Sarawak Province location map
Statistics - Thermal lithospheric thickness
Median 96.007
Mean 96.129
Scale 0.623
stdev 0.566
Z_min/Location 95.258/2.1°Lat 110.033°Lon
Z_max/Location 97.432/ 3.2°Lat 110.033°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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Heatflow
Southwest Sarawak Province location map
Statistics - Heatflow
Median 97.828
Mean 97.279
Scale 1.908
stdev 1.871
Z_min/Location 91.836/2.63333°Lat 111.533°Lon
Z_max/Location 99.326/ 2.4°Lat 109.933°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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Topography (ETOPO2)
Southwest Sarawak Province location map
Statistics - Topography (ETOPO2)
Median -48.000
Mean -45.798
Scale 13.343
stdev 15.439
Z_min/Location -84.000/2.63333°Lat 110.267°Lon
Z_max/Location 1.000/ 2.73333°Lat 111.333°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
Southwest Sarawak Province location map
Statistics - Base hard sediments
Median -0.971
Mean -1.020
Scale 0.097
stdev 0.135
Z_min/Location -1.420/2.73333°Lat 111.333°Lon
Z_max/Location -0.796/ 3.1°Lat 109.8°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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Temperature at 50km depth
Southwest Sarawak Province location map
Statistics - Temperature at 50km depth
Median 857.461
Mean 856.910
Scale 2.806
stdev 2.549
Z_min/Location 851.037/3.2°Lat 110.033°Lon
Z_max/Location 860.830/ 2.1°Lat 110.033°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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Laske sediment thickness
Southwest Sarawak Province location map
Statistics - Laske sediment thickness
Median 0.735
Mean 0.860
Scale 0.242
stdev 0.325
Z_min/Location 0.427/2.63333°Lat 111.533°Lon
Z_max/Location 1.749/ 3.23333°Lat 110.133°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
Southwest Sarawak Province location map
Statistics - Lithospheric temperature gradient
Median 9.670
Mean 9.661
Scale 0.044
stdev 0.040
Z_min/Location 9.570/3.2°Lat 110.033°Lon
Z_max/Location 9.722/ 2.1°Lat 110.033°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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Computations

Isostatic correction
Southwest Sarawak Province location map
Statistics - Isostatic correction
Median 0.313
Mean 0.365
Scale 0.102
stdev 0.134
Z_min/Location 0.184/2.63333°Lat 111.533°Lon
Z_max/Location 0.728/3.23333°Lat 110.133°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)
Southwest Sarawak Province location map
Statistics - TTS (sediment)
Median 0.663
Mean 0.655
Scale 0.196
stdev 0.231
Z_min/Location 0.138/3.2°Lat 110.033°Lon
Z_max/Location 1.228/2.66667°Lat 111.5°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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Beta (Sediment)
Southwest Sarawak Province location map
Statistics - Beta (Sediment)
Median 1.093
Mean 1.093
Scale 0.030
stdev 0.035
Z_min/Location 1.018/3.2°Lat 110.033°Lon
Z_max/Location 1.186/2.66667°Lat 111.5°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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Crustal vs lithosph. extn.
Southwest Sarawak Province location map
Statistics - Crustal vs lithosph. extn.
Median 0.003
Mean 0.005
Scale 0.020
stdev 0.017
Z_min/Location -0.022/2.1°Lat 110.533°Lon
Z_max/Location 0.044/3.26667°Lat 110.6°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
Southwest Sarawak Province location map
Statistics - Anomalous TTS
Median 0.730
Mean 0.652
Scale 0.222
stdev 0.272
Z_min/Location -0.042/3.2°Lat 110.033°Lon
Z_max/Location 1.174/2.66667°Lat 111.5°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
Southwest Sarawak Province location map
Statistics - Predicted elevation
Median 1101.130
Mean 1087.560
Scale 44.327
stdev 46.625
Z_min/Location 972.659/3.2°Lat 110.033°Lon
Z_max/Location 1151.360/2.1°Lat 110.533°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)
Southwest Sarawak Province location map
Statistics - Beta (Crust)
Median 0.999
Mean 1.000
Scale 0.014
stdev 0.012
Z_min/Location 0.982/2.1°Lat 110.533°Lon
Z_max/Location 1.030/3.26667°Lat 110.6°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)
Southwest Sarawak Province location map
Statistics - TTS (crust)
Median -0.004
Mean 0.003
Scale 0.110
stdev 0.092
Z_min/Location -0.144/2.1°Lat 110.533°Lon
Z_max/Location 0.227/3.26667°Lat 110.6°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
Southwest Sarawak Province location map
Statistics - Differential Beta
Median 0.102
Mean 0.092
Scale 0.034
stdev 0.040
Z_min/Location -0.006/3.2°Lat 110.033°Lon
Z_max/Location 0.179/2.66667°Lat 111.5°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 02:36:58 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia