ICONS atlas: SIB - Predpatom Trough

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Overview

This page bundles the available data for the Predpatom Trough 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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Predpatom Trough location map
Basin name Predpatom Trough
Region code SIB
Basin ID 4100
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.

Predpatom Trough cross section
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Dynamic topography evolution for basin centroid
Predpatom Trough 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
Predpatom Trough location map
Statistics - Mantle Lid thickness
Median 197.857
Mean 195.580
Scale 46.333
stdev 41.759
Z_min/Location 115.599/61.5°Lat 120.533°Lon
Z_max/Location 283.709/ 61.4333°Lat 114.267°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
Predpatom Trough location map
Statistics - Depth of 550 deg isotherm
Median -64.433
Mean -65.016
Scale 16.118
stdev 13.277
Z_min/Location -96.735/61.4667°Lat 114.367°Lon
Z_max/Location -43.658/ 61.5°Lat 120.533°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
Predpatom Trough location map
Statistics - Mobil isopachs
Median 2.828
Mean 3.125
Scale 0.726
stdev 1.129
Z_min/Location 0.627/58.1°Lat 117.9°Lon
Z_max/Location 6.722/ 60.1°Lat 115.4°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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Plain crustal thickness
Predpatom Trough location map
Statistics - Plain crustal thickness
Median 39.272
Mean 39.633
Scale 2.139
stdev 2.065
Z_min/Location 36.437/58.6667°Lat 109.3°Lon
Z_max/Location 45.282/ 58.3°Lat 118.5°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 middle crust
Predpatom Trough location map
Statistics - Base middle crust
Median -27.665
Mean -27.784
Scale 1.474
stdev 1.510
Z_min/Location -31.247/61.5667°Lat 115.9°Lon
Z_max/Location -25.035/ 57.6667°Lat 109.767°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
Predpatom Trough location map
Statistics - Base lower crust
Median -40.500
Mean -40.427
Scale 1.494
stdev 1.639
Z_min/Location -44.203/60.1333°Lat 115.833°Lon
Z_max/Location -37.038/ 57.9667°Lat 109.7°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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Total crustal thickness
Predpatom Trough location map
Statistics - Total crustal thickness
Median 41.104
Mean 41.113
Scale 1.545
stdev 1.691
Z_min/Location 37.829/58.0667°Lat 109.633°Lon
Z_max/Location 45.369/ 58.3°Lat 118.5°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 upper crust
Predpatom Trough location map
Statistics - Base upper crust
Median -14.260
Mean -14.435
Scale 0.793
stdev 0.931
Z_min/Location -17.114/61.6°Lat 116.867°Lon
Z_max/Location -12.998/ 57.7°Lat 109.933°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
Predpatom Trough location map
Statistics - Thermal lithospheric thickness
Median 239.127
Mean 236.694
Scale 45.926
stdev 41.424
Z_min/Location 156.379/61.5°Lat 120.533°Lon
Z_max/Location 325.031/ 61.4333°Lat 114.267°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
Predpatom Trough location map
Statistics - Heatflow
Median 47.283
Mean 49.128
Scale 2.166
stdev 4.374
Z_min/Location 44.686/61.4667°Lat 114.367°Lon
Z_max/Location 65.729/ 55.1667°Lat 107.1°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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Topography (ETOPO2)
Predpatom Trough location map
Statistics - Topography (ETOPO2)
Median 395.000
Mean 410.949
Scale 108.230
stdev 128.145
Z_min/Location 126.000/60.2667°Lat 119.433°Lon
Z_max/Location 1358.000/ 57.8°Lat 110.233°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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Base hard sediments
Predpatom Trough location map
Statistics - Base hard sediments
Median -0.870
Mean -0.794
Scale 0.774
stdev 0.834
Z_min/Location -3.174/61.4333°Lat 120.0°Lon
Z_max/Location 1.252/ 58.1333°Lat 118.067°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
Predpatom Trough location map
Statistics - Temperature at 50km depth
Median 493.645
Mean 501.529
Scale 61.744
stdev 57.637
Z_min/Location 396.936/61.4667°Lat 114.367°Lon
Z_max/Location 637.318/ 61.5°Lat 120.533°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
Predpatom Trough location map
Statistics - Laske sediment thickness
Median 2.007
Mean 1.861
Scale 1.025
stdev 0.920
Z_min/Location -0.167/58.7667°Lat 117.733°Lon
Z_max/Location 3.980/ 61.3333°Lat 119.333°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
Predpatom Trough location map
Statistics - Lithospheric temperature gradient
Median 4.299
Mean 4.496
Scale 0.656
stdev 0.701
Z_min/Location 3.380/61.4667°Lat 114.367°Lon
Z_max/Location 6.273/ 61.0°Lat 120.0°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
Predpatom Trough location map
Statistics - Isostatic correction
Median 0.830
Mean 0.764
Scale 0.400
stdev 0.365
Z_min/Location 0.000/59.2°Lat 117.467°Lon
Z_max/Location 1.564/61.3333°Lat 119.333°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)
Predpatom Trough location map
Statistics - TTS (sediment)
Median 0.010
Mean 0.030
Scale 0.535
stdev 0.574
Z_min/Location -1.252/58.1333°Lat 118.067°Lon
Z_max/Location 1.719/61.4333°Lat 120.033°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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Beta (Sediment)
Predpatom Trough location map
Statistics - Beta (Sediment)
Median 1.001
Mean 1.010
Scale 0.068
stdev 0.077
Z_min/Location 0.862/58.1333°Lat 118.067°Lon
Z_max/Location 1.282/61.4333°Lat 120.033°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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Crustal vs lithosph. extn.
Predpatom Trough location map
Statistics - Crustal vs lithosph. extn.
Median -0.003
Mean -0.042
Scale 0.202
stdev 0.208
Z_min/Location -0.539/58.1333°Lat 118.067°Lon
Z_max/Location 0.292/58.6333°Lat 109.233°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
Predpatom Trough location map
Statistics - Anomalous TTS
Median 0.186
Mean 0.173
Scale 0.495
stdev 0.482
Z_min/Location -0.773/58.1°Lat 109.267°Lon
Z_max/Location 1.413/61.4333°Lat 120.1°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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Predicted elevation
Predpatom Trough location map
Statistics - Predicted elevation
Median -492.003
Mean -487.622
Scale 907.967
stdev 802.910
Z_min/Location -2195.070/61.4°Lat 114.167°Lon
Z_max/Location 977.550/58.1333°Lat 118.067°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)
Predpatom Trough location map
Statistics - Beta (Crust)
Median 0.991
Mean 0.985
Scale 0.054
stdev 0.050
Z_min/Location 0.859/58.3°Lat 118.5°Lon
Z_max/Location 1.068/58.6667°Lat 109.3°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)
Predpatom Trough location map
Statistics - TTS (crust)
Median -0.071
Mean -0.144
Scale 0.430
stdev 0.415
Z_min/Location -1.279/58.3°Lat 118.5°Lon
Z_max/Location 0.499/58.6667°Lat 109.3°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
Predpatom Trough location map
Statistics - Differential Beta
Median 0.023
Mean 0.025
Scale 0.063
stdev 0.067
Z_min/Location -0.102/58.1°Lat 109.267°Lon
Z_max/Location 0.241/61.4333°Lat 120.067°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