ICONS atlas: ARA - Sir-Sayun Basin

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Overview

This page bundles the available data for the Sir-Sayun Basin in the Arabian Peninsula. 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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Sir-Sayun Basin location map
Basin name Sir-Sayun Basin
Region code ARA
Basin ID 5500
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.

Sir-Sayun Basin cross section
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Dynamic topography evolution for basin centroid
Sir-Sayun 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
Sir-Sayun Basin location map
Statistics - Mantle Lid thickness
Median 84.312
Mean 82.778
Scale 3.108
stdev 5.240
Z_min/Location 58.681/15.3333°Lat 51.6667°Lon
Z_max/Location 89.948/ 15.9°Lat 47.1333°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
Sir-Sayun Basin location map
Statistics - Depth of 550 deg isotherm
Median -36.771
Mean -35.677
Scale 1.278
stdev 2.484
Z_min/Location -38.532/16.8333°Lat 46.3667°Lon
Z_max/Location -26.335/ 15.3333°Lat 51.6667°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
Sir-Sayun Basin location map
Statistics - Mobil isopachs
Median 0.732
Mean 0.786
Scale 0.274
stdev 0.238
Z_min/Location -0.040/16.8333°Lat 46.3667°Lon
Z_max/Location 1.208/ 17.1667°Lat 47.1333°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
Sir-Sayun Basin location map
Statistics - Plain crustal thickness
Median 30.208
Mean 30.515
Scale 7.259
stdev 6.222
Z_min/Location 17.714/15.2333°Lat 50.9667°Lon
Z_max/Location 41.564/ 17.4667°Lat 46.9333°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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Base middle crust
Sir-Sayun Basin location map
Statistics - Base middle crust
Median -20.455
Mean -20.561
Scale 4.392
stdev 3.708
Z_min/Location -27.404/17.4667°Lat 46.9333°Lon
Z_max/Location -13.021/ 15.2333°Lat 50.9°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 lower crust
Sir-Sayun Basin location map
Statistics - Base lower crust
Median -30.434
Mean -30.718
Scale 6.526
stdev 5.538
Z_min/Location -40.828/17.5333°Lat 47.0667°Lon
Z_max/Location -19.457/ 15.2333°Lat 50.9667°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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Total crustal thickness
Sir-Sayun Basin location map
Statistics - Total crustal thickness
Median 31.245
Mean 31.401
Scale 7.116
stdev 6.066
Z_min/Location 18.610/15.2333°Lat 50.9667°Lon
Z_max/Location 41.962/ 17.5333°Lat 47.0667°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 upper crust
Sir-Sayun Basin location map
Statistics - Base upper crust
Median -10.676
Mean -10.343
Scale 1.960
stdev 1.637
Z_min/Location -13.092/17.5333°Lat 47.0667°Lon
Z_max/Location -6.993/ 15.2333°Lat 50.9°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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Thermal lithospheric thickness
Sir-Sayun Basin location map
Statistics - Thermal lithospheric thickness
Median 117.802
Mean 114.179
Scale 5.120
stdev 9.349
Z_min/Location 77.393/15.3333°Lat 51.6667°Lon
Z_max/Location 125.541/ 16.8333°Lat 46.3667°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
Sir-Sayun Basin location map
Statistics - Heatflow
Median 74.294
Mean 74.738
Scale 4.532
stdev 5.514
Z_min/Location 66.330/16.2°Lat 49.8333°Lon
Z_max/Location 101.182/ 15.3333°Lat 51.6667°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)
Sir-Sayun Basin location map
Statistics - Topography (ETOPO2)
Median 886.000
Mean 874.493
Scale 179.395
stdev 200.316
Z_min/Location -17.000/15.3333°Lat 51.6667°Lon
Z_max/Location 1500.000/ 15.2°Lat 49.3°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
Sir-Sayun Basin location map
Statistics - Base hard sediments
Median -0.228
Mean -0.188
Scale 0.706
stdev 0.741
Z_min/Location -1.877/15.3333°Lat 51.6667°Lon
Z_max/Location 1.811/ 16.8333°Lat 46.3667°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
Sir-Sayun Basin location map
Statistics - Temperature at 50km depth
Median 756.258
Mean 787.761
Scale 27.799
stdev 70.675
Z_min/Location 722.956/16.8333°Lat 46.3667°Lon
Z_max/Location 1078.320/ 15.3333°Lat 51.6667°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
Sir-Sayun Basin location map
Statistics - Laske sediment thickness
Median 0.804
Mean 0.756
Scale 0.052
stdev 0.167
Z_min/Location 0.075/16.8333°Lat 46.3667°Lon
Z_max/Location 1.123/ 17.5667°Lat 47.5°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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Lithospheric temperature gradient
Sir-Sayun Basin location map
Statistics - Lithospheric temperature gradient
Median 8.031
Mean 8.189
Scale 0.369
stdev 0.544
Z_min/Location 5.786/15.2333°Lat 50.9667°Lon
Z_max/Location 9.722/ 15.0333°Lat 49.0°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
Sir-Sayun Basin location map
Statistics - Isostatic correction
Median 0.342
Mean 0.322
Scale 0.022
stdev 0.070
Z_min/Location 0.032/16.8333°Lat 46.3667°Lon
Z_max/Location 0.474/17.5667°Lat 47.5°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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TTS (sediment)
Sir-Sayun Basin location map
Statistics - TTS (sediment)
Median -0.115
Mean -0.134
Scale 0.699
stdev 0.690
Z_min/Location -1.843/16.8333°Lat 46.3667°Lon
Z_max/Location 1.451/15.3333°Lat 51.6667°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)
Sir-Sayun Basin location map
Statistics - Beta (Sediment)
Median 0.985
Mean 0.991
Scale 0.086
stdev 0.088
Z_min/Location 0.809/16.8333°Lat 46.3667°Lon
Z_max/Location 1.228/15.3333°Lat 51.6667°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.
Sir-Sayun Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.022
Mean 0.019
Scale 0.189
stdev 0.148
Z_min/Location -0.230/17.5667°Lat 47.2°Lon
Z_max/Location 0.379/15.0°Lat 49.1°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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Anomalous TTS
Sir-Sayun Basin location map
Statistics - Anomalous TTS
Median -0.296
Mean -0.237
Scale 1.125
stdev 0.929
Z_min/Location -1.995/15.2333°Lat 50.9°Lon
Z_max/Location 1.714/17.5667°Lat 47.5°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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Predicted elevation
Sir-Sayun Basin location map
Statistics - Predicted elevation
Median 809.950
Mean 822.265
Scale 602.874
stdev 462.693
Z_min/Location -147.422/15.0°Lat 49.1°Lon
Z_max/Location 1597.710/17.5667°Lat 47.2°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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Beta (Crust)
Sir-Sayun Basin location map
Statistics - Beta (Crust)
Median 1.024
Mean 1.060
Scale 0.242
stdev 0.233
Z_min/Location 0.744/17.4667°Lat 46.9333°Lon
Z_max/Location 1.746/15.2333°Lat 50.9667°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)
Sir-Sayun Basin location map
Statistics - TTS (crust)
Median 0.181
Mean 0.103
Scale 1.836
stdev 1.573
Z_min/Location -2.691/17.4667°Lat 46.9333°Lon
Z_max/Location 3.340/15.2333°Lat 50.9667°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
Sir-Sayun Basin location map
Statistics - Differential Beta
Median -0.038
Mean -0.069
Scale 0.147
stdev 0.150
Z_min/Location -0.536/15.2333°Lat 50.9667°Lon
Z_max/Location 0.152/17.5667°Lat 47.5°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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This basin data is based on interpolated global grids and might contain gridding errors or wrongly interpolated data values.

Page generated 2008-08-03 02:36:35 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia