ICONS atlas: SIB - Western Siberia Basin

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Overview

This page bundles the available data for the Western Siberia 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.

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Western Siberia Basin location map
Basin name Western Siberia Basin
Region code SIB
Basin ID 4020
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.

Western Siberia Basin cross section
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Dynamic topography evolution for basin centroid
Western Siberia 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
Western Siberia Basin location map
Statistics - Mantle Lid thickness
Median 69.527
Mean 73.952
Scale 20.663
stdev 22.868
Z_min/Location 43.832/67.8°Lat 73.9°Lon
Z_max/Location 141.000/ 64.0°Lat 66.0°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
Western Siberia Basin location map
Statistics - Depth of 550 deg isotherm
Median -34.980
Mean -35.765
Scale 4.234
stdev 4.455
Z_min/Location -48.000/64.0°Lat 65.0°Lon
Z_max/Location -30.999/ 65.3°Lat 70.4°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
Western Siberia Basin location map
Statistics - Mobil isopachs
Median 3.952
Mean 4.296
Scale 2.701
stdev 2.561
Z_min/Location -0.721/66.1°Lat 64.5667°Lon
Z_max/Location 12.759/ 68.4333°Lat 75.4333°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
Western Siberia Basin location map
Statistics - Plain crustal thickness
Median 36.771
Mean 36.251
Scale 4.744
stdev 5.241
Z_min/Location 24.490/75.3°Lat 74.2667°Lon
Z_max/Location 50.989/ 59.9667°Lat 60.9°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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Base middle crust
Western Siberia Basin location map
Statistics - Base middle crust
Median -31.206
Mean -30.240
Scale 2.626
stdev 3.339
Z_min/Location -42.236/64.6667°Lat 60.9333°Lon
Z_max/Location -22.742/ 74.8333°Lat 79.4667°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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Base lower crust
Western Siberia Basin location map
Statistics - Base lower crust
Median -40.353
Mean -39.797
Scale 2.569
stdev 3.542
Z_min/Location -50.943/64.5667°Lat 60.7333°Lon
Z_max/Location -32.203/ 75.3°Lat 74.2667°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
Western Siberia Basin location map
Statistics - Total crustal thickness
Median 40.414
Mean 39.869
Scale 2.582
stdev 3.577
Z_min/Location 32.171/75.3°Lat 74.2667°Lon
Z_max/Location 51.291/ 64.5667°Lat 60.7333°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
Western Siberia Basin location map
Statistics - Base upper crust
Median -17.092
Mean -16.950
Scale 1.233
stdev 1.442
Z_min/Location -21.241/64.7°Lat 61.3333°Lon
Z_max/Location -12.775/ 74.3°Lat 79.7667°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
Western Siberia Basin location map
Statistics - Thermal lithospheric thickness
Median 108.818
Mean 114.058
Scale 22.084
stdev 24.307
Z_min/Location 89.989/63.4°Lat 70.4°Lon
Z_max/Location 182.000/ 64.0°Lat 65.0°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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Heatflow
Western Siberia Basin location map
Statistics - Heatflow
Median 55.098
Mean 55.213
Scale 1.355
stdev 3.459
Z_min/Location 45.317/59.9°Lat 60.4°Lon
Z_max/Location 75.954/ 74.0°Lat 74.0333°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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Topography (ETOPO2)
Western Siberia Basin location map
Statistics - Topography (ETOPO2)
Median 57.000
Mean 51.706
Scale 62.269
stdev 66.343
Z_min/Location -292.000/73.5333°Lat 60.6667°Lon
Z_max/Location 281.000/ 65.2667°Lat 64.0667°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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Base hard sediments
Western Siberia Basin location map
Statistics - Base hard sediments
Median -3.088
Mean -3.545
Scale 2.268
stdev 2.284
Z_min/Location -10.007/69.9°Lat 80.2°Lon
Z_max/Location 0.351/ 60.8333°Lat 60.9667°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
Western Siberia Basin location map
Statistics - Temperature at 50km depth
Median 795.958
Mean 789.599
Scale 101.811
stdev 88.298
Z_min/Location 574.000/64.0°Lat 65.0°Lon
Z_max/Location 890.039/ 63.4°Lat 70.4°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
Western Siberia Basin location map
Statistics - Laske sediment thickness
Median 3.153
Mean 3.865
Scale 2.067
stdev 2.410
Z_min/Location -0.268/68.8°Lat 66.4667°Lon
Z_max/Location 12.127/ 70.0333°Lat 79.2°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
Western Siberia Basin location map
Statistics - Lithospheric temperature gradient
Median 8.615
Mean 8.495
Scale 1.621
stdev 1.357
Z_min/Location 5.452/60.0°Lat 61.0°Lon
Z_max/Location 10.695/ 62.0°Lat 78.0°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
Western Siberia Basin location map
Statistics - Isostatic correction
Median 1.266
Mean 1.463
Scale 0.769
stdev 0.818
Z_min/Location 0.000/74.4333°Lat 84.2°Lon
Z_max/Location 3.737/70.0333°Lat 79.2°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)
Western Siberia Basin location map
Statistics - TTS (sediment)
Median 1.774
Mean 2.083
Scale 1.413
stdev 1.530
Z_min/Location -0.599/61.2333°Lat 61.4°Lon
Z_max/Location 6.691/69.2667°Lat 80.1°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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Beta (Sediment)
Western Siberia Basin location map
Statistics - Beta (Sediment)
Median 1.293
Mean 1.516
Scale 0.283
stdev 0.624
Z_min/Location 0.929/61.2333°Lat 61.4°Lon
Z_max/Location 6.929/69.2667°Lat 80.1°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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Crustal vs lithosph. extn.
Western Siberia Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.058
Mean 0.068
Scale 0.200
stdev 0.188
Z_min/Location -0.332/68.0°Lat 69.0°Lon
Z_max/Location 0.541/72.7667°Lat 72.1333°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
Western Siberia Basin location map
Statistics - Anomalous TTS
Median 1.347
Mean 1.439
Scale 0.802
stdev 0.883
Z_min/Location -0.415/55.8667°Lat 75.1667°Lon
Z_max/Location 4.913/69.3°Lat 80.2333°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
Western Siberia Basin location map
Statistics - Predicted elevation
Median 1613.360
Mean 1562.430
Scale 341.218
stdev 344.787
Z_min/Location 508.654/64.0°Lat 66.0°Lon
Z_max/Location 2204.630/67.8°Lat 73.9°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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Beta (Crust)
Western Siberia Basin location map
Statistics - Beta (Crust)
Median 1.074
Mean 1.113
Scale 0.139
stdev 0.163
Z_min/Location 0.775/59.9667°Lat 60.9°Lon
Z_max/Location 1.613/75.3°Lat 74.2667°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)
Western Siberia Basin location map
Statistics - TTS (crust)
Median 0.541
Mean 0.644
Scale 0.939
stdev 1.038
Z_min/Location -2.274/59.9667°Lat 60.9°Lon
Z_max/Location 2.972/75.3°Lat 74.2667°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
Western Siberia Basin location map
Statistics - Differential Beta
Median 0.215
Mean 0.403
Scale 0.158
stdev 0.514
Z_min/Location -0.069/55.9667°Lat 75.1333°Lon
Z_max/Location 5.633/69.2667°Lat 80.1°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 2008-08-03 02:36:55 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia