ICONS atlas: SIB - Chu-Sarysu Basin

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Overview

This page bundles the available data for the Chu-Sarysu Basin in the Siberian 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.

Select data to display:

Chu-Sarysu Basin location map
Basin name Chu-Sarysu Basin
Region code SIB
Basin ID 4290
Plate location/code intra-cratonic/INC
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.

Chu-Sarysu Basin cross section
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Dynamic topography evolution for basin centroid
Chu-Sarysu 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
Chu-Sarysu Basin location map
Statistics - Mantle Lid thickness
Median 79.456
Mean 88.871
Scale 13.899
stdev 21.041
Z_min/Location 66.976/42.8667°Lat 75.5667°Lon
Z_max/Location 147.773/ 47.9667°Lat 68.0667°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
Chu-Sarysu Basin location map
Statistics - Depth of 550 deg isotherm
Median -37.250
Mean -39.218
Scale 1.327
stdev 3.329
Z_min/Location -49.540/47.9667°Lat 68.0667°Lon
Z_max/Location -35.180/ 44.0667°Lat 69.0°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
Chu-Sarysu Basin location map
Statistics - Mobil isopachs
Median 2.018
Mean 2.002
Scale 0.797
stdev 1.008
Z_min/Location -0.144/44.8667°Lat 72.6667°Lon
Z_max/Location 4.333/ 45.4667°Lat 69.4667°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
Chu-Sarysu Basin location map
Statistics - Plain crustal thickness
Median 40.706
Mean 40.954
Scale 4.619
stdev 3.505
Z_min/Location 35.494/45.0333°Lat 67.8°Lon
Z_max/Location 51.434/ 42.8667°Lat 75.5667°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
Chu-Sarysu Basin location map
Statistics - Base middle crust
Median -33.796
Mean -33.722
Scale 3.166
stdev 2.288
Z_min/Location -39.212/45.2°Lat 72.0333°Lon
Z_max/Location -30.509/ 44.9°Lat 67.5333°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
Chu-Sarysu Basin location map
Statistics - Base lower crust
Median -42.236
Mean -41.862
Scale 3.425
stdev 2.836
Z_min/Location -49.395/42.8667°Lat 75.5667°Lon
Z_max/Location -37.321/ 45.0667°Lat 67.5667°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
Chu-Sarysu Basin location map
Statistics - Total crustal thickness
Median 42.523
Mean 42.467
Scale 4.056
stdev 3.272
Z_min/Location 37.496/45.0667°Lat 67.5667°Lon
Z_max/Location 51.924/ 42.8667°Lat 75.5667°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
Chu-Sarysu Basin location map
Statistics - Base upper crust
Median -17.706
Mean -17.570
Scale 1.306
stdev 1.105
Z_min/Location -20.354/45.9333°Lat 70.8667°Lon
Z_max/Location -15.502/ 44.7333°Lat 68.0333°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
Chu-Sarysu Basin location map
Statistics - Thermal lithospheric thickness
Median 120.274
Mean 131.338
Scale 7.983
stdev 19.222
Z_min/Location 110.815/44.0667°Lat 69.0°Lon
Z_max/Location 188.838/ 47.9667°Lat 68.0667°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
Chu-Sarysu Basin location map
Statistics - Heatflow
Median 52.378
Mean 53.430
Scale 1.228
stdev 2.417
Z_min/Location 50.589/45.9333°Lat 70.8667°Lon
Z_max/Location 61.975/ 42.8667°Lat 75.5667°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)
Chu-Sarysu Basin location map
Statistics - Topography (ETOPO2)
Median 306.000
Mean 328.402
Scale 90.439
stdev 139.827
Z_min/Location 92.000/45.0333°Lat 68.4333°Lon
Z_max/Location 1815.000/ 42.9°Lat 75.5°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
Chu-Sarysu Basin location map
Statistics - Base hard sediments
Median -1.058
Mean -0.908
Scale 0.997
stdev 0.838
Z_min/Location -1.982/45.0333°Lat 68.1667°Lon
Z_max/Location 2.056/ 42.8333°Lat 75.5333°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
Chu-Sarysu Basin location map
Statistics - Temperature at 50km depth
Median 748.201
Mean 716.407
Scale 27.448
stdev 54.956
Z_min/Location 565.158/47.9667°Lat 68.0667°Lon
Z_max/Location 784.034/ 44.0667°Lat 69.0°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
Chu-Sarysu Basin location map
Statistics - Laske sediment thickness
Median 2.005
Mean 1.904
Scale 1.214
stdev 0.974
Z_min/Location -0.050/42.9667°Lat 71.3667°Lon
Z_max/Location 4.021/ 46.0667°Lat 68.0333°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
Chu-Sarysu Basin location map
Statistics - Lithospheric temperature gradient
Median 7.641
Mean 7.426
Scale 0.637
stdev 0.782
Z_min/Location 5.443/47.9667°Lat 68.0667°Lon
Z_max/Location 8.461/ 44.0667°Lat 69.0°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
Chu-Sarysu Basin location map
Statistics - Isostatic correction
Median 0.829
Mean 0.779
Scale 0.476
stdev 0.385
Z_min/Location 0.000/43.0333°Lat 71.2333°Lon
Z_max/Location 1.578/46.0667°Lat 68.0333°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)
Chu-Sarysu Basin location map
Statistics - TTS (sediment)
Median 0.302
Mean 0.128
Scale 0.489
stdev 0.727
Z_min/Location -2.327/42.8333°Lat 75.5333°Lon
Z_max/Location 1.647/44.6667°Lat 68.0°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 (Sediment)
Chu-Sarysu Basin location map
Statistics - Beta (Sediment)
Median 1.040
Mean 1.026
Scale 0.068
stdev 0.095
Z_min/Location 0.771/42.8333°Lat 75.5333°Lon
Z_max/Location 1.267/44.6667°Lat 68.0°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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Crustal vs lithosph. extn.
Chu-Sarysu Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.116
Mean 0.140
Scale 0.243
stdev 0.182
Z_min/Location -0.160/42.8667°Lat 75.5667°Lon
Z_max/Location 0.452/47.9333°Lat 68.0°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
Chu-Sarysu Basin location map
Statistics - Anomalous TTS
Median -0.266
Mean -0.284
Scale 0.589
stdev 0.503
Z_min/Location -1.406/44.1°Lat 72.8333°Lon
Z_max/Location 1.369/42.9667°Lat 71.4333°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
Chu-Sarysu Basin location map
Statistics - Predicted elevation
Median 1556.070
Mean 1430.980
Scale 419.020
stdev 414.140
Z_min/Location 396.080/47.9333°Lat 68.0°Lon
Z_max/Location 1923.940/42.9°Lat 75.5333°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)
Chu-Sarysu Basin location map
Statistics - Beta (Crust)
Median 1.062
Mean 1.063
Scale 0.118
stdev 0.091
Z_min/Location 0.841/42.8667°Lat 75.5667°Lon
Z_max/Location 1.218/45.0333°Lat 67.8°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)
Chu-Sarysu Basin location map
Statistics - TTS (crust)
Median 0.457
Mean 0.412
Scale 0.836
stdev 0.634
Z_min/Location -1.483/42.8667°Lat 75.5667°Lon
Z_max/Location 1.400/45.0333°Lat 67.8°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
Chu-Sarysu Basin location map
Statistics - Differential Beta
Median -0.037
Mean -0.038
Scale 0.076
stdev 0.068
Z_min/Location -0.180/46.0333°Lat 67.6667°Lon
Z_max/Location 0.179/42.9667°Lat 71.4333°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 02:36:55 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia