ICONS atlas: SUN - Asem Asem Basin

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Overview

This page bundles the available data for the Asem Asem 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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Asem Asem Basin location map
Basin name Asem Asem Basin
Region code SUN
Basin ID 6520
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.

Asem Asem Basin cross section
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Dynamic topography evolution for basin centroid
Asem Asem 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
Asem Asem Basin location map
Statistics - Mantle Lid thickness
Median 65.635
Mean 65.234
Scale 0.524
stdev 0.922
Z_min/Location 62.139/-2.36667°Lat 116.0°Lon
Z_max/Location 66.048/ -4.1°Lat 115.467°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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Depth of 550 deg isotherm
Asem Asem Basin location map
Statistics - Depth of 550 deg isotherm
Median -32.002
Mean -32.003
Scale 0.002
stdev 0.003
Z_min/Location -32.015/-4.83333°Lat 114.733°Lon
Z_max/Location -32.000/ -3.0°Lat 116.0°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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Mobil isopachs
Asem Asem Basin location map
Statistics - Mobil isopachs
Median 0.901
Mean 1.023
Scale 0.312
stdev 0.400
Z_min/Location 0.574/-3.9°Lat 115.267°Lon
Z_max/Location 2.579/ -2.6°Lat 115.9°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
Asem Asem Basin location map
Statistics - Plain crustal thickness
Median 28.227
Mean 28.501
Scale 0.374
stdev 0.663
Z_min/Location 27.884/-4.26667°Lat 115.267°Lon
Z_max/Location 30.599/ -2.36667°Lat 116.0°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
Asem Asem Basin location map
Statistics - Base middle crust
Median -21.209
Mean -21.427
Scale 0.285
stdev 0.480
Z_min/Location -23.067/-2.36667°Lat 116.0°Lon
Z_max/Location -21.003/ -3.9°Lat 115.0°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 lower crust
Asem Asem Basin location map
Statistics - Base lower crust
Median -29.377
Mean -29.771
Scale 0.508
stdev 0.897
Z_min/Location -32.795/-2.36667°Lat 116.0°Lon
Z_max/Location -28.991/ -4.1°Lat 115.467°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
Asem Asem Basin location map
Statistics - Total crustal thickness
Median 29.383
Mean 29.784
Scale 0.535
stdev 0.918
Z_min/Location 28.979/-4.1°Lat 115.467°Lon
Z_max/Location 32.861/ -2.36667°Lat 116.0°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
Asem Asem Basin location map
Statistics - Base upper crust
Median -11.205
Mean -11.416
Scale 0.286
stdev 0.473
Z_min/Location -13.060/-2.36667°Lat 116.0°Lon
Z_max/Location -10.995/ -3.86667°Lat 115.033°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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Thermal lithospheric thickness
Asem Asem Basin location map
Statistics - Thermal lithospheric thickness
Median 95.008
Mean 95.018
Scale 0.011
stdev 0.021
Z_min/Location 95.000/-4.0°Lat 115.0°Lon
Z_max/Location 95.082/ -4.83333°Lat 114.733°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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Heatflow
Asem Asem Basin location map
Statistics - Heatflow
Median 79.748
Mean 79.487
Scale 0.609
stdev 0.713
Z_min/Location 77.214/-2.36667°Lat 116.0°Lon
Z_max/Location 80.282/ -3.73333°Lat 115.9°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)
Asem Asem Basin location map
Statistics - Topography (ETOPO2)
Median -3.000
Mean 11.982
Scale 38.548
stdev 49.200
Z_min/Location -76.000/-3.9°Lat 115.333°Lon
Z_max/Location 189.000/ -3.16667°Lat 115.633°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
Asem Asem Basin location map
Statistics - Base hard sediments
Median -1.143
Mean -1.270
Scale 0.235
stdev 0.311
Z_min/Location -2.196/-2.36667°Lat 116.0°Lon
Z_max/Location -0.962/ -3.76667°Lat 115.133°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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Temperature at 50km depth
Asem Asem Basin location map
Statistics - Temperature at 50km depth
Median 861.973
Mean 861.941
Scale 0.036
stdev 0.071
Z_min/Location 861.722/-4.83333°Lat 114.733°Lon
Z_max/Location 862.000/ -3.0°Lat 116.0°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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Laske sediment thickness
Asem Asem Basin location map
Statistics - Laske sediment thickness
Median 1.314
Mean 1.343
Scale 0.118
stdev 0.284
Z_min/Location 0.956/-3.23333°Lat 116.067°Lon
Z_max/Location 3.226/ -2.36667°Lat 116.0°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
Asem Asem Basin location map
Statistics - Lithospheric temperature gradient
Median 9.741
Mean 9.741
Scale 0.001
stdev 0.001
Z_min/Location 9.738/-4.83333°Lat 114.733°Lon
Z_max/Location 9.742/ -3.0°Lat 116.0°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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Computations

Isostatic correction
Asem Asem Basin location map
Statistics - Isostatic correction
Median 0.552
Mean 0.563
Scale 0.048
stdev 0.112
Z_min/Location 0.405/-3.23333°Lat 116.067°Lon
Z_max/Location 1.293/-2.36667°Lat 116.0°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)
Asem Asem Basin location map
Statistics - TTS (sediment)
Median 0.622
Mean 0.707
Scale 0.263
stdev 0.261
Z_min/Location 0.356/-3.76667°Lat 115.133°Lon
Z_max/Location 1.427/-4.83333°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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Beta (Sediment)
Asem Asem Basin location map
Statistics - Beta (Sediment)
Median 1.086
Mean 1.101
Scale 0.039
stdev 0.041
Z_min/Location 1.048/-3.76667°Lat 115.133°Lon
Z_max/Location 1.223/-4.83333°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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Crustal vs lithosph. extn.
Asem Asem Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.012
Mean 0.002
Scale 0.013
stdev 0.023
Z_min/Location -0.067/-2.36667°Lat 116.0°Lon
Z_max/Location 0.024/-4.26667°Lat 115.267°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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Anomalous TTS
Asem Asem Basin location map
Statistics - Anomalous TTS
Median 0.536
Mean 0.693
Scale 0.329
stdev 0.392
Z_min/Location 0.241/-3.86667°Lat 115.033°Lon
Z_max/Location 1.473/-2.56667°Lat 116.0°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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Predicted elevation
Asem Asem Basin location map
Statistics - Predicted elevation
Median 971.095
Mean 1013.150
Scale 58.671
stdev 96.431
Z_min/Location 926.630/-4.1°Lat 115.467°Lon
Z_max/Location 1324.880/-2.36667°Lat 116.0°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)
Asem Asem Basin location map
Statistics - Beta (Crust)
Median 1.011
Mean 1.002
Scale 0.013
stdev 0.023
Z_min/Location 0.933/-2.36667°Lat 116.0°Lon
Z_max/Location 1.024/-4.26667°Lat 115.267°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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TTS (crust)
Asem Asem Basin location map
Statistics - TTS (crust)
Median 0.089
Mean 0.013
Scale 0.102
stdev 0.182
Z_min/Location -0.561/-2.36667°Lat 116.0°Lon
Z_max/Location 0.182/-4.26667°Lat 115.267°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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Differential Beta
Asem Asem Basin location map
Statistics - Differential Beta
Median 0.076
Mean 0.099
Scale 0.047
stdev 0.057
Z_min/Location 0.033/-3.86667°Lat 115.033°Lon
Z_max/Location 0.221/-4.83333°Lat 114.667°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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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