ICONS atlas: SUN - Chuung Basin

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Overview

This page bundles the available data for the Chuung 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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Chuung Basin location map
Basin name Chuung Basin
Region code SUN
Basin ID 6690
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.

Chuung Basin cross section
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Dynamic topography evolution for basin centroid
Chuung 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
Chuung Basin location map
Statistics - Mantle Lid thickness
Median 84.058
Mean 84.174
Scale 0.689
stdev 0.603
Z_min/Location 83.129/12.5333°Lat 106.533°Lon
Z_max/Location 85.384/ 12.1333°Lat 105.733°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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Depth of 550 deg isotherm
Chuung Basin location map
Statistics - Depth of 550 deg isotherm
Median -38.997
Mean -38.993
Scale 0.003
stdev 0.009
Z_min/Location -39.001/12.5667°Lat 106.533°Lon
Z_max/Location -38.958/ 12.1333°Lat 105.733°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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Mobil isopachs
Chuung Basin location map
Statistics - Mobil isopachs
Median 0.010
Mean 0.029
Scale 0.093
stdev 0.097
Z_min/Location -0.133/12.5667°Lat 106.533°Lon
Z_max/Location 0.299/ 12.1333°Lat 105.733°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
Chuung Basin location map
Statistics - Plain crustal thickness
Median 40.942
Mean 40.830
Scale 0.701
stdev 0.621
Z_min/Location 39.567/12.1333°Lat 105.733°Lon
Z_max/Location 41.903/ 12.5333°Lat 106.533°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
Chuung Basin location map
Statistics - Base middle crust
Median -32.867
Mean -32.746
Scale 0.683
stdev 0.602
Z_min/Location -33.756/12.5333°Lat 106.533°Lon
Z_max/Location -31.392/ 12.1333°Lat 105.733°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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Base lower crust
Chuung Basin location map
Statistics - Base lower crust
Median -41.897
Mean -41.776
Scale 0.680
stdev 0.604
Z_min/Location -42.806/12.5333°Lat 106.533°Lon
Z_max/Location -40.526/ 12.1333°Lat 105.733°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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Total crustal thickness
Chuung Basin location map
Statistics - Total crustal thickness
Median 41.937
Mean 41.816
Scale 0.693
stdev 0.613
Z_min/Location 40.556/12.1333°Lat 105.733°Lon
Z_max/Location 42.872/ 12.5333°Lat 106.533°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
Chuung Basin location map
Statistics - Base upper crust
Median -17.468
Mean -17.399
Scale 0.382
stdev 0.339
Z_min/Location -17.954/12.5°Lat 106.533°Lon
Z_max/Location -16.598/ 12.1333°Lat 105.733°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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Thermal lithospheric thickness
Chuung Basin location map
Statistics - Thermal lithospheric thickness
Median 125.995
Mean 125.990
Scale 0.005
stdev 0.012
Z_min/Location 125.940/12.1333°Lat 105.733°Lon
Z_max/Location 126.001/ 12.5667°Lat 106.533°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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Heatflow
Chuung Basin location map
Statistics - Heatflow
Median 79.335
Mean 79.568
Scale 0.321
stdev 0.512
Z_min/Location 79.073/12.4667°Lat 106.2°Lon
Z_max/Location 80.847/ 12.1333°Lat 105.733°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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Topography (ETOPO2)
Chuung Basin location map
Statistics - Topography (ETOPO2)
Median 68.500
Mean 72.528
Scale 28.911
stdev 33.620
Z_min/Location 14.000/12.3°Lat 105.9°Lon
Z_max/Location 225.000/ 12.5333°Lat 106.5°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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Base hard sediments
Chuung Basin location map
Statistics - Base hard sediments
Median -0.952
Mean -0.947
Scale 0.022
stdev 0.020
Z_min/Location -0.972/11.9333°Lat 105.967°Lon
Z_max/Location -0.900/ 12.5667°Lat 106.533°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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Temperature at 50km depth
Chuung Basin location map
Statistics - Temperature at 50km depth
Median 723.014
Mean 723.026
Scale 0.016
stdev 0.025
Z_min/Location 722.996/12.5667°Lat 106.533°Lon
Z_max/Location 723.163/ 12.2°Lat 105.733°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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Laske sediment thickness
Chuung Basin location map
Statistics - Laske sediment thickness
Median 0.353
Mean 0.356
Scale 0.039
stdev 0.038
Z_min/Location 0.275/12.6333°Lat 106.467°Lon
Z_max/Location 0.452/ 11.8667°Lat 106.2°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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Lithospheric temperature gradient
Chuung Basin location map
Statistics - Lithospheric temperature gradient
Median 7.599
Mean 7.600
Scale 0.001
stdev 0.001
Z_min/Location 7.598/12.5667°Lat 106.533°Lon
Z_max/Location 7.605/ 12.1333°Lat 105.733°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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Computations

Isostatic correction
Chuung Basin location map
Statistics - Isostatic correction
Median 0.152
Mean 0.153
Scale 0.017
stdev 0.016
Z_min/Location 0.118/12.6333°Lat 106.467°Lon
Z_max/Location 0.194/11.8667°Lat 106.2°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)
Chuung Basin location map
Statistics - TTS (sediment)
Median 0.791
Mean 0.794
Scale 0.011
stdev 0.011
Z_min/Location 0.772/11.8667°Lat 106.2°Lon
Z_max/Location 0.824/12.1333°Lat 105.733°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)
Chuung Basin location map
Statistics - Beta (Sediment)
Median 1.113
Mean 1.113
Scale 0.002
stdev 0.002
Z_min/Location 1.110/11.8667°Lat 106.2°Lon
Z_max/Location 1.118/12.1333°Lat 105.733°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.
Chuung Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.000
Mean 0.003
Scale 0.017
stdev 0.015
Z_min/Location -0.023/12.5333°Lat 106.533°Lon
Z_max/Location 0.034/12.1333°Lat 105.733°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
Chuung Basin location map
Statistics - Anomalous TTS
Median 0.795
Mean 0.773
Scale 0.126
stdev 0.112
Z_min/Location 0.540/11.8667°Lat 106.067°Lon
Z_max/Location 0.963/12.5667°Lat 106.533°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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Predicted elevation
Chuung Basin location map
Statistics - Predicted elevation
Median 1515.130
Mean 1507.760
Scale 37.549
stdev 33.660
Z_min/Location 1436.620/12.1333°Lat 105.733°Lon
Z_max/Location 1563.630/12.5333°Lat 106.533°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)
Chuung Basin location map
Statistics - Beta (Crust)
Median 1.000
Mean 1.003
Scale 0.017
stdev 0.015
Z_min/Location 0.977/12.5333°Lat 106.533°Lon
Z_max/Location 1.035/12.1333°Lat 105.733°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)
Chuung Basin location map
Statistics - TTS (crust)
Median 0.000
Mean 0.021
Scale 0.134
stdev 0.119
Z_min/Location -0.184/12.5333°Lat 106.533°Lon
Z_max/Location 0.262/12.1333°Lat 105.733°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
Chuung Basin location map
Statistics - Differential Beta
Median 0.113
Mean 0.110
Scale 0.016
stdev 0.014
Z_min/Location 0.079/11.8667°Lat 106.067°Lon
Z_max/Location 0.134/12.5667°Lat 106.533°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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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