ICONS atlas: SUN - Nam Con Son Basin

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Overview

This page bundles the available data for the Nam Con Son Basin 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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Nam Con Son Basin location map
Basin name Nam Con Son Basin
Region code SUN
Basin ID 6200
Plate location/code back-arc/BA
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.

Nam Con Son Basin cross section
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Dynamic topography evolution for basin centroid
Nam Con Son 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

Mantle Lid thickness
Nam Con Son Basin location map
Statistics - Mantle Lid thickness
Median 87.651
Mean 87.953
Scale 0.413
stdev 1.081
Z_min/Location 86.932/9.8°Lat 109.133°Lon
Z_max/Location 91.609/ 10.8333°Lat 110.067°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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Depth of 550 deg isotherm
Nam Con Son Basin location map
Statistics - Depth of 550 deg isotherm
Median -37.190
Mean -37.187
Scale 0.071
stdev 0.067
Z_min/Location -37.309/10.1667°Lat 109.233°Lon
Z_max/Location -37.004/ 10.7667°Lat 110.1°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
Nam Con Son Basin location map
Statistics - Mobil isopachs
Median 3.323
Mean 2.823
Scale 1.139
stdev 1.291
Z_min/Location 0.072/8.56667°Lat 110.0°Lon
Z_max/Location 4.662/ 9.03333°Lat 108.867°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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Plain crustal thickness
Nam Con Son Basin location map
Statistics - Plain crustal thickness
Median 28.029
Mean 28.014
Scale 0.099
stdev 0.407
Z_min/Location 24.456/10.8333°Lat 110.067°Lon
Z_max/Location 28.618/ 9.53333°Lat 109.633°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 middle crust
Nam Con Son Basin location map
Statistics - Base middle crust
Median -22.378
Mean -22.441
Scale 0.807
stdev 0.720
Z_min/Location -23.568/8.73333°Lat 109.7°Lon
Z_max/Location -18.952/ 10.8333°Lat 110.067°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 lower crust
Nam Con Son Basin location map
Statistics - Base lower crust
Median -30.391
Mean -30.455
Scale 0.864
stdev 0.783
Z_min/Location -31.653/8.8°Lat 109.7°Lon
Z_max/Location -26.348/ 10.8333°Lat 110.067°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
Nam Con Son Basin location map
Statistics - Total crustal thickness
Median 30.235
Mean 30.278
Scale 0.743
stdev 0.746
Z_min/Location 25.942/10.8333°Lat 110.067°Lon
Z_max/Location 31.364/ 7.96667°Lat 109.567°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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Base upper crust
Nam Con Son Basin location map
Statistics - Base upper crust
Median -12.440
Mean -12.492
Scale 0.874
stdev 0.700
Z_min/Location -13.899/7.8°Lat 109.767°Lon
Z_max/Location -10.424/ 10.8333°Lat 110.067°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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Thermal lithospheric thickness
Nam Con Son Basin location map
Statistics - Thermal lithospheric thickness
Median 117.917
Mean 117.924
Scale 0.322
stdev 0.274
Z_min/Location 117.262/10.7667°Lat 110.1°Lon
Z_max/Location 118.479/ 10.1667°Lat 109.233°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
Nam Con Son Basin location map
Statistics - Heatflow
Median 95.020
Mean 95.328
Scale 1.325
stdev 1.403
Z_min/Location 93.143/8.06667°Lat 107.967°Lon
Z_max/Location 102.495/ 10.8333°Lat 110.067°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)
Nam Con Son Basin location map
Statistics - Topography (ETOPO2)
Median -120.000
Mean -434.563
Scale 105.265
stdev 581.898
Z_min/Location -2562.000/9.7°Lat 110.233°Lon
Z_max/Location -4.000/ 9.66667°Lat 108.7°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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Base hard sediments
Nam Con Son Basin location map
Statistics - Base hard sediments
Median -2.424
Mean -2.441
Scale 0.738
stdev 0.586
Z_min/Location -3.769/7.93333°Lat 109.8°Lon
Z_max/Location -1.354/ 6.73333°Lat 107.733°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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Temperature at 50km depth
Nam Con Son Basin location map
Statistics - Temperature at 50km depth
Median 759.021
Mean 758.958
Scale 1.378
stdev 1.202
Z_min/Location 756.485/10.1667°Lat 109.233°Lon
Z_max/Location 761.774/ 10.7667°Lat 110.1°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
Nam Con Son Basin location map
Statistics - Laske sediment thickness
Median 2.538
Mean 2.578
Scale 0.932
stdev 0.791
Z_min/Location 1.104/9.0°Lat 110.133°Lon
Z_max/Location 4.308/ 8.93333°Lat 109.0°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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Lithospheric temperature gradient
Nam Con Son Basin location map
Statistics - Lithospheric temperature gradient
Median 8.156
Mean 8.155
Scale 0.021
stdev 0.019
Z_min/Location 8.117/10.1667°Lat 109.233°Lon
Z_max/Location 8.200/ 10.7667°Lat 110.1°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
Nam Con Son Basin location map
Statistics - Isostatic correction
Median 1.035
Mean 1.044
Scale 0.358
stdev 0.300
Z_min/Location 0.467/9.0°Lat 110.133°Lon
Z_max/Location 1.678/8.93333°Lat 109.0°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)
Nam Con Son Basin location map
Statistics - TTS (sediment)
Median 1.220
Mean 1.397
Scale 0.426
stdev 0.557
Z_min/Location 0.671/6.73333°Lat 107.833°Lon
Z_max/Location 3.112/8.3°Lat 109.9°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)
Nam Con Son Basin location map
Statistics - Beta (Sediment)
Median 1.185
Mean 1.228
Scale 0.075
stdev 0.120
Z_min/Location 1.094/6.73333°Lat 107.833°Lon
Z_max/Location 1.661/8.3°Lat 109.9°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.
Nam Con Son Basin location map
Statistics - Crustal vs lithosph. extn.
Median -0.015
Mean -0.001
Scale 0.010
stdev 0.038
Z_min/Location -0.027/9.96667°Lat 109.3°Lon
Z_max/Location 0.135/10.8333°Lat 110.067°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
Nam Con Son Basin location map
Statistics - Anomalous TTS
Median 1.225
Mean 1.419
Scale 0.462
stdev 0.584
Z_min/Location 0.078/10.8333°Lat 110.067°Lon
Z_max/Location 3.071/8.4°Lat 109.933°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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Predicted elevation
Nam Con Son Basin location map
Statistics - Predicted elevation
Median 722.342
Mean 668.506
Scale 26.313
stdev 136.238
Z_min/Location 197.585/10.8333°Lat 110.067°Lon
Z_max/Location 752.223/9.9°Lat 109.233°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 (Crust)
Nam Con Son Basin location map
Statistics - Beta (Crust)
Median 0.997
Mean 0.997
Scale 0.004
stdev 0.015
Z_min/Location 0.976/9.53333°Lat 109.633°Lon
Z_max/Location 1.142/10.8333°Lat 110.067°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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TTS (crust)
Nam Con Son Basin location map
Statistics - TTS (crust)
Median -0.026
Mean -0.022
Scale 0.028
stdev 0.114
Z_min/Location -0.191/9.53333°Lat 109.633°Lon
Z_max/Location 0.974/10.8333°Lat 110.067°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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Differential Beta
Nam Con Son Basin location map
Statistics - Differential Beta
Median 0.185
Mean 0.230
Scale 0.079
stdev 0.123
Z_min/Location 0.013/10.8333°Lat 110.067°Lon
Z_max/Location 0.655/8.3°Lat 109.9°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