ICONS atlas: SUN - Barito Shelf

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Overview

This page bundles the available data for the Barito Shelf 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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Barito Shelf location map
Basin name Barito Shelf
Region code SUN
Basin ID 6510
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.

Barito Shelf cross section
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Dynamic topography evolution for basin centroid
Barito Shelf 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
Barito Shelf location map
Statistics - Mantle Lid thickness
Median 65.746
Mean 65.373
Scale 0.447
stdev 0.872
Z_min/Location 62.378/-5.26667°Lat 114.0°Lon
Z_max/Location 66.069/ -3.8°Lat 113.6°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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Depth of 550 deg isotherm
Barito Shelf location map
Statistics - Depth of 550 deg isotherm
Median -32.001
Mean -32.003
Scale 0.003
stdev 0.005
Z_min/Location -32.019/-5.2°Lat 114.5°Lon
Z_max/Location -31.997/ -4.56667°Lat 112.967°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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Mobil isopachs
Barito Shelf location map
Statistics - Mobil isopachs
Median 1.664
Mean 1.616
Scale 0.259
stdev 0.257
Z_min/Location 0.895/-3.23333°Lat 113.6°Lon
Z_max/Location 2.038/ -3.8°Lat 114.3°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
Barito Shelf location map
Statistics - Plain crustal thickness
Median 28.131
Mean 28.310
Scale 0.185
stdev 0.399
Z_min/Location 27.984/-4.16667°Lat 114.733°Lon
Z_max/Location 29.905/ -5.26667°Lat 114.0°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 middle crust
Barito Shelf location map
Statistics - Base middle crust
Median -21.232
Mean -21.408
Scale 0.393
stdev 0.539
Z_min/Location -23.038/-5.26667°Lat 114.0°Lon
Z_max/Location -20.811/ -3.23333°Lat 113.6°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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Base lower crust
Barito Shelf location map
Statistics - Base lower crust
Median -29.297
Mean -29.649
Scale 0.431
stdev 0.838
Z_min/Location -32.502/-5.26667°Lat 114.0°Lon
Z_max/Location -28.983/ -3.8°Lat 113.467°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
Barito Shelf location map
Statistics - Total crustal thickness
Median 29.266
Mean 29.645
Scale 0.461
stdev 0.895
Z_min/Location 28.930/-3.8°Lat 113.467°Lon
Z_max/Location 32.676/ -5.26667°Lat 114.0°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 upper crust
Barito Shelf location map
Statistics - Base upper crust
Median -11.217
Mean -11.374
Scale 0.364
stdev 0.497
Z_min/Location -12.857/-5.3°Lat 114.267°Lon
Z_max/Location -10.814/ -3.23333°Lat 113.6°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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Thermal lithospheric thickness
Barito Shelf location map
Statistics - Thermal lithospheric thickness
Median 95.008
Mean 95.018
Scale 0.016
stdev 0.027
Z_min/Location 94.986/-4.56667°Lat 112.967°Lon
Z_max/Location 95.102/ -5.2°Lat 114.5°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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Heatflow
Barito Shelf location map
Statistics - Heatflow
Median 79.896
Mean 80.008
Scale 0.794
stdev 0.848
Z_min/Location 78.154/-5.1°Lat 114.6°Lon
Z_max/Location 81.971/ -4.0°Lat 112.967°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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Topography (ETOPO2)
Barito Shelf location map
Statistics - Topography (ETOPO2)
Median -25.000
Mean -25.699
Scale 7.413
stdev 7.302
Z_min/Location -53.000/-4.56667°Lat 113.033°Lon
Z_max/Location 4.000/ -3.76667°Lat 114.633°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 hard sediments
Barito Shelf location map
Statistics - Base hard sediments
Median -1.194
Mean -1.339
Scale 0.324
stdev 0.454
Z_min/Location -2.711/-5.3°Lat 114.3°Lon
Z_max/Location -0.847/ -3.23333°Lat 113.6°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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Temperature at 50km depth
Barito Shelf location map
Statistics - Temperature at 50km depth
Median 861.975
Mean 861.941
Scale 0.053
stdev 0.090
Z_min/Location 861.652/-5.2°Lat 114.5°Lon
Z_max/Location 862.050/ -4.56667°Lat 112.967°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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Laske sediment thickness
Barito Shelf location map
Statistics - Laske sediment thickness
Median 1.466
Mean 1.429
Scale 0.107
stdev 0.150
Z_min/Location 1.078/-3.93333°Lat 112.967°Lon
Z_max/Location 1.823/ -5.26667°Lat 114.067°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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Lithospheric temperature gradient
Barito Shelf location map
Statistics - Lithospheric temperature gradient
Median 9.741
Mean 9.741
Scale 0.001
stdev 0.001
Z_min/Location 9.736/-5.23333°Lat 114.467°Lon
Z_max/Location 9.743/ -4.56667°Lat 112.967°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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Computations

Isostatic correction
Barito Shelf location map
Statistics - Isostatic correction
Median 0.614
Mean 0.599
Scale 0.043
stdev 0.061
Z_min/Location 0.456/-3.93333°Lat 112.967°Lon
Z_max/Location 0.757/-5.26667°Lat 114.067°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 (sediment)
Barito Shelf location map
Statistics - TTS (sediment)
Median 0.614
Mean 0.740
Scale 0.325
stdev 0.418
Z_min/Location 0.281/-3.36667°Lat 113.633°Lon
Z_max/Location 1.963/-5.3°Lat 114.3°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)
Barito Shelf location map
Statistics - Beta (Sediment)
Median 1.085
Mean 1.109
Scale 0.048
stdev 0.071
Z_min/Location 1.037/-3.36667°Lat 113.633°Lon
Z_max/Location 1.335/-5.3°Lat 114.3°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.
Barito Shelf location map
Statistics - Crustal vs lithosph. extn.
Median 0.010
Mean 0.004
Scale 0.007
stdev 0.014
Z_min/Location -0.049/-5.26667°Lat 114.0°Lon
Z_max/Location 0.016/-4.16667°Lat 114.733°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
Barito Shelf location map
Statistics - Anomalous TTS
Median 0.523
Mean 0.711
Scale 0.361
stdev 0.522
Z_min/Location 0.202/-3.73333°Lat 114.067°Lon
Z_max/Location 2.297/-5.3°Lat 114.267°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
Barito Shelf location map
Statistics - Predicted elevation
Median 958.797
Mean 998.140
Scale 51.090
stdev 93.957
Z_min/Location 921.552/-3.8°Lat 113.5°Lon
Z_max/Location 1306.870/-5.26667°Lat 114.0°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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Beta (Crust)
Barito Shelf location map
Statistics - Beta (Crust)
Median 1.010
Mean 1.004
Scale 0.007
stdev 0.014
Z_min/Location 0.950/-5.26667°Lat 114.0°Lon
Z_max/Location 1.015/-4.16667°Lat 114.733°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)
Barito Shelf location map
Statistics - TTS (crust)
Median 0.079
Mean 0.029
Scale 0.051
stdev 0.110
Z_min/Location -0.410/-5.26667°Lat 114.0°Lon
Z_max/Location 0.119/-4.16667°Lat 114.733°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
Barito Shelf location map
Statistics - Differential Beta
Median 0.073
Mean 0.105
Scale 0.052
stdev 0.084
Z_min/Location 0.027/-3.7°Lat 113.967°Lon
Z_max/Location 0.376/-5.3°Lat 114.3°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