ICONS atlas: ARA - Oman Basin

Regional basin list

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Overview

This page bundles the available data for the Oman 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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Oman Basin location map

Basin name	Oman Basin
Region code	ARA
Basin ID	5230
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.

Oman Basin cross section

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Dynamic topography evolution for basin centroid

Oman 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

Oman Basin location map

Statistics - Mantle Lid thickness
Median	89.051
Mean	87.130
Scale	2.992
stdev	6.296
Z_min/Location	56.086/26.6°Lat 56.2°Lon
Z_max/Location	97.652/ 18.5333°Lat 57.0°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

Oman Basin location map

Statistics - Depth of 550 deg isotherm
Median	-36.987
Mean	-36.577
Scale	0.020
stdev	0.899
Z_min/Location	-37.002/22.8°Lat 55.5°Lon
Z_max/Location	-32.280/ 26.6°Lat 56.2°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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Mobil isopachs

Oman Basin location map

Statistics - Mobil isopachs
Median	1.245
Mean	2.204
Scale	0.880
stdev	1.830
Z_min/Location	0.379/17.4°Lat 52.0667°Lon
Z_max/Location	7.505/ 24.2667°Lat 54.5°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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Plain crustal thickness

Oman Basin location map

Statistics - Plain crustal thickness
Median	26.495
Mean	26.373
Scale	3.134
stdev	2.758
Z_min/Location	18.270/17.1333°Lat 54.7333°Lon
Z_max/Location	32.941/ 26.6°Lat 56.2°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 middle crust

Oman Basin location map

Statistics - Base middle crust
Median	-18.858
Mean	-20.075
Scale	2.815
stdev	3.738
Z_min/Location	-28.010/26.6°Lat 56.2°Lon
Z_max/Location	-13.455/ 17.1333°Lat 54.6667°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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Base lower crust

Oman Basin location map

Statistics - Base lower crust
Median	-28.139
Mean	-29.159
Scale	4.042
stdev	4.431
Z_min/Location	-38.009/26.2667°Lat 56.1°Lon
Z_max/Location	-20.130/ 17.1333°Lat 54.7333°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

Oman Basin location map

Statistics - Total crustal thickness
Median	28.361
Mean	29.158
Scale	4.469
stdev	4.623
Z_min/Location	18.885/17.1333°Lat 54.7333°Lon
Z_max/Location	38.118/ 26.2667°Lat 56.1°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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Base upper crust

Oman Basin location map

Statistics - Base upper crust
Median	-10.101
Mean	-11.290
Scale	1.724
stdev	2.909
Z_min/Location	-17.245/24.3333°Lat 55.5667°Lon
Z_max/Location	-7.018/ 17.0333°Lat 53.5°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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Thermal lithospheric thickness

Oman Basin location map

Statistics - Thermal lithospheric thickness
Median	117.834
Mean	116.288
Scale	0.246
stdev	3.620
Z_min/Location	94.122/26.6°Lat 56.2°Lon
Z_max/Location	118.000/ 21.2°Lat 55.5333°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

Oman Basin location map

Statistics - Heatflow
Median	73.192
Mean	73.132
Scale	5.194
stdev	7.997
Z_min/Location	58.845/26.6°Lat 55.9667°Lon
Z_max/Location	105.680/ 17.7333°Lat 52.2°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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Topography (ETOPO2)

Oman Basin location map

Statistics - Topography (ETOPO2)
Median	155.000
Mean	214.622
Scale	88.956
stdev	187.672
Z_min/Location	-212.000/17.7333°Lat 55.4°Lon
Z_max/Location	1648.000/ 17.2°Lat 54.8333°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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Base hard sediments

Oman Basin location map

Statistics - Base hard sediments
Median	-1.921
Mean	-2.785
Scale	0.924
stdev	2.015
Z_min/Location	-7.483/24.8333°Lat 55.4333°Lon
Z_max/Location	-0.305/ 17.7333°Lat 52.2°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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Temperature at 50km depth

Oman Basin location map

Statistics - Temperature at 50km depth
Median	754.285
Mean	763.350
Scale	1.887
stdev	20.610
Z_min/Location	752.998/20.4333°Lat 55.2667°Lon
Z_max/Location	870.239/ 26.6°Lat 56.2°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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Laske sediment thickness

Oman Basin location map

Statistics - Laske sediment thickness
Median	2.517
Mean	3.058
Scale	2.027
stdev	1.879
Z_min/Location	0.738/17.8333°Lat 55.6°Lon
Z_max/Location	7.394/ 24.3667°Lat 54.6333°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

Oman Basin location map

Statistics - Lithospheric temperature gradient
Median	8.063
Mean	8.194
Scale	0.023
stdev	0.258
Z_min/Location	8.038/19.3°Lat 57.4°Lon
Z_max/Location	9.552/ 26.6°Lat 56.2°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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Computations

Isostatic correction

Oman Basin location map

Statistics - Isostatic correction
Median	1.027
Mean	1.194
Scale	0.788
stdev	0.673
Z_min/Location	0.315/17.8333°Lat 55.6°Lon
Z_max/Location	2.642/24.3667°Lat 54.6333°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 (sediment)

Oman Basin location map

Statistics - TTS (sediment)
Median	0.968
Mean	1.592
Scale	0.632
stdev	1.435
Z_min/Location	-0.190/17.7333°Lat 52.2°Lon
Z_max/Location	5.392/24.9333°Lat 55.9°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 (Sediment)

Oman Basin location map

Statistics - Beta (Sediment)
Median	1.141
Mean	1.370
Scale	0.103
stdev	0.511
Z_min/Location	0.976/17.7333°Lat 52.2°Lon
Z_max/Location	3.220/24.9333°Lat 55.9°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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Crustal vs lithosph. extn.

Oman Basin location map

Statistics - Crustal vs lithosph. extn.
Median	0.082
Mean	0.086
Scale	0.119
stdev	0.127
Z_min/Location	-0.378/26.6°Lat 56.2°Lon
Z_max/Location	0.547/18.5°Lat 56.9667°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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Anomalous TTS

Oman Basin location map

Statistics - Anomalous TTS
Median	0.141
Mean	1.012
Scale	0.816
stdev	1.986
Z_min/Location	-1.746/17.0333°Lat 53.5°Lon
Z_max/Location	5.773/25.1°Lat 55.9333°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

Oman Basin location map

Statistics - Predicted elevation
Median	484.878
Mean	555.217
Scale	505.122
stdev	512.405
Z_min/Location	-707.045/18.5°Lat 56.9667°Lon
Z_max/Location	1762.280/26.6°Lat 56.2°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)

Oman Basin location map

Statistics - Beta (Crust)
Median	1.075
Mean	1.093
Scale	0.129
stdev	0.121
Z_min/Location	0.865/26.6°Lat 56.2°Lon
Z_max/Location	1.559/17.1333°Lat 54.7333°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)

Oman Basin location map

Statistics - TTS (crust)
Median	0.546
Mean	0.579
Scale	0.860
stdev	0.757
Z_min/Location	-1.224/26.6°Lat 56.2°Lon
Z_max/Location	2.804/17.1333°Lat 54.7333°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

Oman Basin location map

Statistics - Differential Beta
Median	0.021
Mean	0.277
Scale	0.138
stdev	0.582
Z_min/Location	-0.363/17.0333°Lat 53.5°Lon
Z_max/Location	2.263/24.9667°Lat 55.9°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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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