ICONS atlas: SIB - Southern West Siberia Basin

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Overview

This page bundles the available data for the Southern West 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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Southern West Siberia Basin location map
Basin name Southern West Siberia Basin
Region code SIB
Basin ID 4270
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.

Southern West Siberia Basin cross section
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Dynamic topography evolution for basin centroid
Southern West 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
Southern West Siberia Basin location map
Statistics - Mantle Lid thickness
Median 99.811
Mean 98.521
Scale 17.237
stdev 13.538
Z_min/Location 73.317/57.6333°Lat 84.0667°Lon
Z_max/Location 127.750/ 53.0°Lat 77.0°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
Southern West Siberia Basin location map
Statistics - Depth of 550 deg isotherm
Median -40.682
Mean -40.614
Scale 3.145
stdev 2.505
Z_min/Location -46.000/53.0°Lat 77.0°Lon
Z_max/Location -35.701/ 57.5667°Lat 83.9333°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
Southern West Siberia Basin location map
Statistics - Mobil isopachs
Median 0.943
Mean 0.903
Scale 0.681
stdev 0.624
Z_min/Location -1.613/53.6°Lat 84.9333°Lon
Z_max/Location 2.460/ 54.5667°Lat 74.8333°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
Southern West Siberia Basin location map
Statistics - Plain crustal thickness
Median 40.025
Mean 40.175
Scale 0.649
stdev 1.066
Z_min/Location 37.817/54.8°Lat 76.6333°Lon
Z_max/Location 44.799/ 52.4°Lat 75.9667°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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Base middle crust
Southern West Siberia Basin location map
Statistics - Base middle crust
Median -31.852
Mean -31.909
Scale 0.175
stdev 0.487
Z_min/Location -34.288/52.4333°Lat 75.9°Lon
Z_max/Location -30.249/ 54.6333°Lat 75.7333°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 lower crust
Southern West Siberia Basin location map
Statistics - Base lower crust
Median -40.855
Mean -40.978
Scale 0.247
stdev 0.789
Z_min/Location -44.992/52.4°Lat 75.9667°Lon
Z_max/Location -39.040/ 54.6333°Lat 75.7333°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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Total crustal thickness
Southern West Siberia Basin location map
Statistics - Total crustal thickness
Median 41.000
Mean 41.160
Scale 0.228
stdev 0.855
Z_min/Location 39.147/54.6333°Lat 75.7333°Lon
Z_max/Location 45.357/ 52.4°Lat 75.9667°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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Base upper crust
Southern West Siberia Basin location map
Statistics - Base upper crust
Median -16.469
Mean -16.422
Scale 0.621
stdev 0.492
Z_min/Location -17.584/52.5333°Lat 75.8°Lon
Z_max/Location -15.559/ 52.5333°Lat 81.7°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
Southern West Siberia Basin location map
Statistics - Thermal lithospheric thickness
Median 140.717
Mean 139.681
Scale 17.291
stdev 13.612
Z_min/Location 114.316/57.6333°Lat 84.0667°Lon
Z_max/Location 170.000/ 53.0°Lat 77.0°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
Southern West Siberia Basin location map
Statistics - Heatflow
Median 56.015
Mean 56.157
Scale 1.086
stdev 1.087
Z_min/Location 53.246/53.9333°Lat 84.0°Lon
Z_max/Location 59.541/ 53.0333°Lat 84.9°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)
Southern West Siberia Basin location map
Statistics - Topography (ETOPO2)
Median 132.000
Mean 142.058
Scale 34.100
stdev 44.265
Z_min/Location 36.000/57.3667°Lat 84.0667°Lon
Z_max/Location 327.000/ 52.2667°Lat 81.2°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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Base hard sediments
Southern West Siberia Basin location map
Statistics - Base hard sediments
Median -0.683
Mean -0.803
Scale 0.569
stdev 0.544
Z_min/Location -1.982/54.5333°Lat 78.0°Lon
Z_max/Location 0.242/ 52.5667°Lat 84.1667°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
Southern West Siberia Basin location map
Statistics - Temperature at 50km depth
Median 685.661
Mean 688.440
Scale 53.421
stdev 42.189
Z_min/Location 598.000/53.0°Lat 77.0°Lon
Z_max/Location 784.008/ 57.6°Lat 84.0°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
Southern West Siberia Basin location map
Statistics - Laske sediment thickness
Median 0.792
Mean 0.822
Scale 0.557
stdev 0.458
Z_min/Location -0.106/56.2667°Lat 85.8667°Lon
Z_max/Location 1.824/ 56.1667°Lat 80.4°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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Lithospheric temperature gradient
Southern West Siberia Basin location map
Statistics - Lithospheric temperature gradient
Median 6.979
Mean 7.001
Scale 0.684
stdev 0.551
Z_min/Location 5.699/54.0°Lat 75.0°Lon
Z_max/Location 8.159/ 52.0°Lat 80.0°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
Southern West Siberia Basin location map
Statistics - Isostatic correction
Median 0.338
Mean 0.348
Scale 0.233
stdev 0.190
Z_min/Location 0.000/56.6333°Lat 85.8667°Lon
Z_max/Location 0.757/56.1667°Lat 80.4°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)
Southern West Siberia Basin location map
Statistics - TTS (sediment)
Median 0.351
Mean 0.455
Scale 0.321
stdev 0.376
Z_min/Location -0.292/52.6°Lat 84.2333°Lon
Z_max/Location 1.391/54.3667°Lat 78.1°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)
Southern West Siberia Basin location map
Statistics - Beta (Sediment)
Median 1.047
Mean 1.065
Scale 0.044
stdev 0.057
Z_min/Location 0.964/52.6°Lat 84.2333°Lon
Z_max/Location 1.216/54.3667°Lat 78.1°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.
Southern West Siberia Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.072
Mean 0.050
Scale 0.114
stdev 0.099
Z_min/Location -0.193/52.5667°Lat 84.1667°Lon
Z_max/Location 0.223/54.8667°Lat 76.8333°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
Southern West Siberia Basin location map
Statistics - Anomalous TTS
Median 0.356
Mean 0.421
Scale 0.295
stdev 0.282
Z_min/Location -0.074/54.6°Lat 75.4°Lon
Z_max/Location 1.122/54.3667°Lat 78.2°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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Predicted elevation
Southern West Siberia Basin location map
Statistics - Predicted elevation
Median 1236.900
Mean 1256.450
Scale 278.699
stdev 224.594
Z_min/Location 791.981/53.0°Lat 77.0°Lon
Z_max/Location 1746.820/52.5667°Lat 84.1667°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)
Southern West Siberia Basin location map
Statistics - Beta (Crust)
Median 1.008
Mean 1.005
Scale 0.016
stdev 0.026
Z_min/Location 0.901/52.4°Lat 75.9667°Lon
Z_max/Location 1.067/54.8°Lat 76.6333°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)
Southern West Siberia Basin location map
Statistics - TTS (crust)
Median 0.063
Mean 0.034
Scale 0.126
stdev 0.207
Z_min/Location -0.862/52.4°Lat 75.9667°Lon
Z_max/Location 0.491/54.8°Lat 76.6333°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
Southern West Siberia Basin location map
Statistics - Differential Beta
Median 0.048
Mean 0.060
Scale 0.041
stdev 0.044
Z_min/Location -0.011/54.6°Lat 75.4°Lon
Z_max/Location 0.181/54.3667°Lat 78.1667°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