ICONS atlas: CHN - Central Gobi Basin

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Overview

This page bundles the available data for the Central Gobi Basin in the China. 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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Central Gobi Basin location map
Basin name Central Gobi Basin
Region code CHN
Basin ID 6014
No. of rings 1
Basin size [km²] 91001.9
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.

Central Gobi Basin cross section
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Dynamic topography evolution for basin centroid
Central Gobi 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
Central Gobi Basin location map
Statistics - Mantle Lid thickness
Median 66.266
Mean 66.505
Scale 2.378
stdev 2.405
Z_min/Location 59.710/45.5667°Lat 98.1°Lon
Z_max/Location 71.625/ 46.0°Lat 103.0°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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Depth of 550 deg isotherm
Central Gobi Basin location map
Statistics - Depth of 550 deg isotherm
Median -35.000
Mean -34.999
Scale 0.000
stdev 0.003
Z_min/Location -35.003/43.8333°Lat 102.6°Lon
Z_max/Location -34.969/ 46.3°Lat 103.233°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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Mobil isopachs
Central Gobi Basin location map
Statistics - Mobil isopachs
Median -1.306
Mean -1.156
Scale 0.650
stdev 0.576
Z_min/Location -1.969/44.5667°Lat 102.633°Lon
Z_max/Location -0.056/ 44.6333°Lat 108.9°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
Central Gobi Basin location map
Statistics - Plain crustal thickness
Median 43.283
Mean 43.047
Scale 2.822
stdev 2.524
Z_min/Location 37.810/46.1°Lat 103.033°Lon
Z_max/Location 49.756/ 45.5667°Lat 98.1°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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Base middle crust
Central Gobi Basin location map
Statistics - Base middle crust
Median -31.720
Mean -31.927
Scale 3.253
stdev 2.625
Z_min/Location -39.009/45.5667°Lat 98.1°Lon
Z_max/Location -28.315/ 44.0333°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 lower crust
Central Gobi Basin location map
Statistics - Base lower crust
Median -42.177
Mean -41.947
Scale 2.563
stdev 2.362
Z_min/Location -48.252/45.5667°Lat 98.1°Lon
Z_max/Location -36.868/ 46.1333°Lat 102.867°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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Total crustal thickness
Central Gobi Basin location map
Statistics - Total crustal thickness
Median 43.719
Mean 43.412
Scale 2.148
stdev 2.420
Z_min/Location 38.326/46.1333°Lat 103.0°Lon
Z_max/Location 50.290/ 45.5667°Lat 98.1°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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Base upper crust
Central Gobi Basin location map
Statistics - Base upper crust
Median -17.606
Mean -16.783
Scale 1.476
stdev 1.938
Z_min/Location -18.879/44.7333°Lat 101.933°Lon
Z_max/Location -13.377/ 44.4667°Lat 106.567°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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Thermal lithospheric thickness
Central Gobi Basin location map
Statistics - Thermal lithospheric thickness
Median 109.978
Mean 109.916
Scale 0.035
stdev 0.156
Z_min/Location 108.610/46.3°Lat 103.233°Lon
Z_max/Location 110.007/ 43.8333°Lat 102.6°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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Heatflow
Central Gobi Basin location map
Statistics - Heatflow
Median 79.911
Mean 80.600
Scale 1.963
stdev 2.338
Z_min/Location 77.395/43.6333°Lat 104.067°Lon
Z_max/Location 91.633/ 45.5333°Lat 98.1333°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)
Central Gobi Basin location map
Statistics - Topography (ETOPO2)
Median 1332.000
Mean 1343.270
Scale 194.221
stdev 205.334
Z_min/Location 932.000/45.1667°Lat 109.267°Lon
Z_max/Location 2625.000/ 45.5333°Lat 98.6333°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
Central Gobi Basin location map
Statistics - Base hard sediments
Median 1.035
Mean 1.100
Scale 0.254
stdev 0.209
Z_min/Location 0.778/45.6667°Lat 103.767°Lon
Z_max/Location 1.625/ 45.8333°Lat 98.1333°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
Central Gobi Basin location map
Statistics - Temperature at 50km depth
Median 787.109
Mean 787.399
Scale 0.170
stdev 0.742
Z_min/Location 786.975/44.7667°Lat 103.5°Lon
Z_max/Location 793.663/ 46.3°Lat 103.233°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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Laske sediment thickness
Central Gobi Basin location map
Statistics - Laske sediment thickness
Median 0.197
Mean 0.168
Scale 0.020
stdev 0.057
Z_min/Location -0.005/45.0667°Lat 100.767°Lon
Z_max/Location 0.302/ 45.8333°Lat 104.9°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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Lithospheric temperature gradient
Central Gobi Basin location map
Statistics - Lithospheric temperature gradient
Median 8.560
Mean 8.568
Scale 0.006
stdev 0.021
Z_min/Location 8.555/43.8333°Lat 102.6°Lon
Z_max/Location 8.737/ 46.3°Lat 103.233°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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Computations

Beta (Crust)
Central Gobi Basin location map
Statistics - Beta (Crust)
Median 1.031
Mean 1.040
Scale 0.065
stdev 0.062
Z_min/Location 0.897/45.5667°Lat 98.1°Lon
Z_max/Location 1.180/46.1°Lat 103.033°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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Isostatic correction
Central Gobi Basin location map
Statistics - Isostatic correction
Median 0.085
Mean 0.073
Scale 0.008
stdev 0.025
Z_min/Location 0.000/45.1°Lat 100.533°Lon
Z_max/Location 0.130/45.8333°Lat 104.9°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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TTS (crust)
Central Gobi Basin location map
Statistics - TTS (crust)
Median 0.236
Mean 0.277
Scale 0.495
stdev 0.442
Z_min/Location -0.899/45.5667°Lat 98.1°Lon
Z_max/Location 1.195/46.1°Lat 103.033°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)
Central Gobi Basin location map
Statistics - TTS (sediment)
Median -1.100
Mean -1.173
Scale 0.233
stdev 0.205
Z_min/Location -1.665/45.8333°Lat 98.1333°Lon
Z_max/Location -0.860/45.7°Lat 103.6°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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Beta (Sediment)
Central Gobi Basin location map
Statistics - Beta (Sediment)
Median 0.877
Mean 0.870
Scale 0.023
stdev 0.020
Z_min/Location 0.824/45.8333°Lat 98.1333°Lon
Z_max/Location 0.901/45.7°Lat 103.6°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
Central Gobi Basin location map
Statistics - Differential Beta
Median -0.163
Mean -0.170
Scale 0.043
stdev 0.048
Z_min/Location -0.293/46.2°Lat 102.967°Lon
Z_max/Location -0.038/43.9667°Lat 102.433°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.
Central Gobi Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.031
Mean 0.040
Scale 0.066
stdev 0.062
Z_min/Location -0.103/45.5667°Lat 98.1°Lon
Z_max/Location 0.180/46.0°Lat 103.0°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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Anomalous TTS
Central Gobi Basin location map
Statistics - Anomalous TTS
Median -1.433
Mean -1.450
Scale 0.290
stdev 0.310
Z_min/Location -2.192/46.2°Lat 102.967°Lon
Z_max/Location -0.362/43.9667°Lat 102.433°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
Central Gobi Basin location map
Statistics - Predicted elevation
Median 1846.400
Mean 1819.960
Scale 93.426
stdev 112.246
Z_min/Location 1544.950/46.0°Lat 103.0°Lon
Z_max/Location 2031.420/45.5667°Lat 98.1°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 2007-09-30 21:53:58 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia