ICONS atlas: SIB - Nepa-Botuoba Arch

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Overview

This page bundles the available data for the Nepa-Botuoba Arch 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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Nepa-Botuoba Arch location map
Basin name Nepa-Botuoba Arch
Region code SIB
Basin ID 4090
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.

Nepa-Botuoba Arch cross section
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Dynamic topography evolution for basin centroid
Nepa-Botuoba Arch 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
Nepa-Botuoba Arch location map
Statistics - Mantle Lid thickness
Median 242.126
Mean 247.984
Scale 39.504
stdev 33.693
Z_min/Location 176.547/57.5667°Lat 103.5°Lon
Z_max/Location 311.250/ 60.0°Lat 109.0°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
Nepa-Botuoba Arch location map
Statistics - Depth of 550 deg isotherm
Median -80.202
Mean -82.902
Scale 13.766
stdev 12.811
Z_min/Location -109.000/63.0°Lat 113.0°Lon
Z_max/Location -58.577/ 57.5667°Lat 103.5°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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Mobil isopachs
Nepa-Botuoba Arch location map
Statistics - Mobil isopachs
Median 2.171
Mean 2.258
Scale 0.700
stdev 0.584
Z_min/Location 1.359/60.2667°Lat 109.933°Lon
Z_max/Location 3.525/ 55.9333°Lat 104.767°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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Plain crustal thickness
Nepa-Botuoba Arch location map
Statistics - Plain crustal thickness
Median 37.752
Mean 37.888
Scale 1.101
stdev 0.802
Z_min/Location 36.437/58.7°Lat 109.3°Lon
Z_max/Location 39.522/ 61.3°Lat 113.933°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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Base middle crust
Nepa-Botuoba Arch location map
Statistics - Base middle crust
Median -27.326
Mean -28.000
Scale 1.032
stdev 1.802
Z_min/Location -32.090/62.6333°Lat 112.667°Lon
Z_max/Location -25.563/ 58.7333°Lat 109.4°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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Base lower crust
Nepa-Botuoba Arch location map
Statistics - Base lower crust
Median -39.923
Mean -39.647
Scale 0.874
stdev 0.869
Z_min/Location -40.803/57.5667°Lat 103.5°Lon
Z_max/Location -37.360/ 58.7333°Lat 109.4°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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Total crustal thickness
Nepa-Botuoba Arch location map
Statistics - Total crustal thickness
Median 40.410
Mean 40.133
Scale 0.869
stdev 0.854
Z_min/Location 38.001/58.7333°Lat 109.4°Lon
Z_max/Location 41.281/ 61.4667°Lat 114.233°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 upper crust
Nepa-Botuoba Arch location map
Statistics - Base upper crust
Median -14.881
Mean -15.164
Scale 0.714
stdev 0.823
Z_min/Location -17.224/63.0667°Lat 112.433°Lon
Z_max/Location -13.849/ 58.7667°Lat 109.467°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
Nepa-Botuoba Arch location map
Statistics - Thermal lithospheric thickness
Median 282.118
Mean 288.117
Scale 38.888
stdev 33.494
Z_min/Location 217.798/57.5667°Lat 103.5°Lon
Z_max/Location 350.000/ 63.0°Lat 113.0°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
Nepa-Botuoba Arch location map
Statistics - Heatflow
Median 45.127
Mean 47.294
Scale 2.005
stdev 4.381
Z_min/Location 42.727/61.9°Lat 110.067°Lon
Z_max/Location 61.011/ 55.8667°Lat 105.333°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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Topography (ETOPO2)
Nepa-Botuoba Arch location map
Statistics - Topography (ETOPO2)
Median 404.000
Mean 426.040
Scale 94.886
stdev 105.140
Z_min/Location 155.000/63.1667°Lat 114.333°Lon
Z_max/Location 1012.000/ 56.3°Lat 106.8°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
Nepa-Botuoba Arch location map
Statistics - Base hard sediments
Median -1.584
Mean -1.759
Scale 0.288
stdev 0.484
Z_min/Location -3.271/58.1333°Lat 103.8°Lon
Z_max/Location -0.880/ 58.8667°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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Temperature at 50km depth
Nepa-Botuoba Arch location map
Statistics - Temperature at 50km depth
Median 439.400
Mean 435.029
Scale 40.443
stdev 35.328
Z_min/Location 370.000/63.0°Lat 113.0°Lon
Z_max/Location 512.816/ 57.5667°Lat 103.5°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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Laske sediment thickness
Nepa-Botuoba Arch location map
Statistics - Laske sediment thickness
Median 2.184
Mean 2.190
Scale 0.514
stdev 0.420
Z_min/Location 1.457/60.9°Lat 109.333°Lon
Z_max/Location 3.435/ 60.0°Lat 104.733°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
Nepa-Botuoba Arch location map
Statistics - Lithospheric temperature gradient
Median 3.705
Mean 3.738
Scale 0.402
stdev 0.364
Z_min/Location 3.099/63.0°Lat 114.0°Lon
Z_max/Location 4.659/ 57.5667°Lat 103.5°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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Computations

Isostatic correction
Nepa-Botuoba Arch location map
Statistics - Isostatic correction
Median 0.899
Mean 0.899
Scale 0.200
stdev 0.163
Z_min/Location 0.611/60.9°Lat 109.333°Lon
Z_max/Location 1.369/60.0°Lat 104.733°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)
Nepa-Botuoba Arch location map
Statistics - TTS (sediment)
Median 0.789
Mean 0.860
Scale 0.317
stdev 0.417
Z_min/Location -0.123/59.0°Lat 110.0°Lon
Z_max/Location 1.995/60.6333°Lat 105.7°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)
Nepa-Botuoba Arch location map
Statistics - Beta (Sediment)
Median 1.112
Mean 1.128
Scale 0.050
stdev 0.071
Z_min/Location 0.985/59.0°Lat 110.0°Lon
Z_max/Location 1.343/60.6333°Lat 105.7°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.
Nepa-Botuoba Arch location map
Statistics - Crustal vs lithosph. extn.
Median 0.097
Mean 0.099
Scale 0.131
stdev 0.106
Z_min/Location -0.174/57.5°Lat 103.5°Lon
Z_max/Location 0.298/60.0°Lat 109.0°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
Nepa-Botuoba Arch location map
Statistics - Anomalous TTS
Median 0.820
Mean 0.767
Scale 0.394
stdev 0.430
Z_min/Location -0.462/58.8667°Lat 109.7°Lon
Z_max/Location 1.833/60.6333°Lat 105.7°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
Nepa-Botuoba Arch location map
Statistics - Predicted elevation
Median -1422.950
Mean -1544.570
Scale 805.078
stdev 686.030
Z_min/Location -2925.310/60.0°Lat 109.0°Lon
Z_max/Location -126.858/57.5667°Lat 103.5°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)
Nepa-Botuoba Arch location map
Statistics - Beta (Crust)
Median 1.016
Mean 1.012
Scale 0.030
stdev 0.021
Z_min/Location 0.970/61.3°Lat 113.933°Lon
Z_max/Location 1.052/58.7°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)
Nepa-Botuoba Arch location map
Statistics - TTS (crust)
Median 0.121
Mean 0.093
Scale 0.225
stdev 0.164
Z_min/Location -0.240/61.3°Lat 113.933°Lon
Z_max/Location 0.389/58.7°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
Nepa-Botuoba Arch location map
Statistics - Differential Beta
Median 0.116
Mean 0.115
Scale 0.060
stdev 0.072
Z_min/Location -0.061/58.8667°Lat 109.7°Lon
Z_max/Location 0.321/60.6333°Lat 105.7°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