ICONS atlas: NAM - Cherokee Basin

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Overview

This page bundles the available data for the Cherokee Basin in the North America. 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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Cherokee Basin location map
Basin name Cherokee Basin
Region code NAM
Basin ID 1075
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.

Cherokee Basin cross section
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Dynamic topography evolution for basin centroid
Cherokee 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
Cherokee Basin location map
Statistics - Mantle Lid thickness
Median 93.415
Mean 93.496
Scale 0.278
stdev 0.348
Z_min/Location 92.917/38.2°Lat -96.5°Lon
Z_max/Location 94.714/ 37.0667°Lat -94.6667°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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Depth of 550 deg isotherm
Cherokee Basin location map
Statistics - Depth of 550 deg isotherm
Median -41.000
Mean -41.000
Scale 0.000
stdev 0.002
Z_min/Location -41.007/38.2°Lat -94.0667°Lon
Z_max/Location -40.997/ 37.0333°Lat -96.5°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
Cherokee Basin location map
Statistics - Mobil isopachs
Median 0.870
Mean 0.875
Scale 0.137
stdev 0.095
Z_min/Location 0.708/38.1333°Lat -94.0667°Lon
Z_max/Location 1.010/ 37.2333°Lat -96.7333°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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Plain crustal thickness
Cherokee Basin location map
Statistics - Plain crustal thickness
Median 44.015
Mean 44.008
Scale 0.450
stdev 0.480
Z_min/Location 42.606/37.1333°Lat -97.1667°Lon
Z_max/Location 44.970/ 38.0333°Lat -94.1°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 middle crust
Cherokee Basin location map
Statistics - Base middle crust
Median -34.699
Mean -34.712
Scale 0.064
stdev 0.108
Z_min/Location -35.045/37.0667°Lat -97.0333°Lon
Z_max/Location -34.343/ 37.0667°Lat -94.6667°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
Cherokee Basin location map
Statistics - Base lower crust
Median -45.695
Mean -45.675
Scale 0.095
stdev 0.184
Z_min/Location -46.038/37.0333°Lat -96.3°Lon
Z_max/Location -44.849/ 37.0667°Lat -94.6667°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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Total crustal thickness
Cherokee Basin location map
Statistics - Total crustal thickness
Median 46.005
Mean 45.994
Scale 0.122
stdev 0.202
Z_min/Location 45.126/37.0667°Lat -94.6667°Lon
Z_max/Location 46.369/ 37.0333°Lat -96.4°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 upper crust
Cherokee Basin location map
Statistics - Base upper crust
Median -17.809
Mean -17.913
Scale 0.176
stdev 0.271
Z_min/Location -18.830/37.1°Lat -97.1333°Lon
Z_max/Location -17.617/ 38.0667°Lat -95.7667°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
Cherokee Basin location map
Statistics - Thermal lithospheric thickness
Median 139.536
Mean 139.490
Scale 0.274
stdev 0.250
Z_min/Location 138.938/38.1667°Lat -96.2667°Lon
Z_max/Location 140.000/ 37.0°Lat -96.0°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
Cherokee Basin location map
Statistics - Heatflow
Median 52.110
Mean 52.101
Scale 0.447
stdev 0.416
Z_min/Location 51.126/38.1°Lat -95.9667°Lon
Z_max/Location 52.980/ 37.8333°Lat -94.1667°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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Topography (ETOPO2)
Cherokee Basin location map
Statistics - Topography (ETOPO2)
Median 295.000
Mean 312.071
Scale 48.926
stdev 61.001
Z_min/Location 216.000/37.1°Lat -95.6333°Lon
Z_max/Location 497.000/ 37.8333°Lat -96.5667°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
Cherokee Basin location map
Statistics - Base hard sediments
Median -1.656
Mean -1.667
Scale 0.644
stdev 0.573
Z_min/Location -3.183/37.1°Lat -97.1333°Lon
Z_max/Location -0.726/ 38.2°Lat -94.0667°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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Temperature at 50km depth
Cherokee Basin location map
Statistics - Temperature at 50km depth
Median 676.651
Mean 676.695
Scale 0.839
stdev 0.716
Z_min/Location 675.000/37.0°Lat -96.0°Lon
Z_max/Location 678.309/ 38.2°Lat -96.6°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
Cherokee Basin location map
Statistics - Laske sediment thickness
Median 0.857
Mean 1.045
Scale 0.649
stdev 0.645
Z_min/Location 0.308/37.3333°Lat -94.4333°Lon
Z_max/Location 2.814/ 37.1°Lat -97.1333°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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Lithospheric temperature gradient
Cherokee Basin location map
Statistics - Lithospheric temperature gradient
Median 6.973
Mean 6.975
Scale 0.018
stdev 0.015
Z_min/Location 6.940/37.0°Lat -96.0°Lon
Z_max/Location 7.014/ 38.0°Lat -96.0°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
Cherokee Basin location map
Statistics - Isostatic correction
Median 0.365
Mean 0.438
Scale 0.272
stdev 0.263
Z_min/Location 0.133/37.3333°Lat -94.4333°Lon
Z_max/Location 1.139/37.1°Lat -97.1333°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)
Cherokee Basin location map
Statistics - TTS (sediment)
Median 1.255
Mean 1.229
Scale 0.340
stdev 0.329
Z_min/Location 0.555/38.1333°Lat -94.0667°Lon
Z_max/Location 2.044/37.1°Lat -97.1333°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)
Cherokee Basin location map
Statistics - Beta (Sediment)
Median 1.191
Mean 1.189
Scale 0.062
stdev 0.059
Z_min/Location 1.076/38.1333°Lat -94.0667°Lon
Z_max/Location 1.354/37.1°Lat -97.1333°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.
Cherokee Basin location map
Statistics - Crustal vs lithosph. extn.
Median -0.002
Mean -0.002
Scale 0.010
stdev 0.011
Z_min/Location -0.021/38.0333°Lat -94.1667°Lon
Z_max/Location 0.033/37.1333°Lat -97.1667°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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Anomalous TTS
Cherokee Basin location map
Statistics - Anomalous TTS
Median 1.248
Mean 1.233
Scale 0.261
stdev 0.253
Z_min/Location 0.710/37.2667°Lat -94.4667°Lon
Z_max/Location 1.801/37.1°Lat -97.1333°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
Cherokee Basin location map
Statistics - Predicted elevation
Median 1484.590
Mean 1480.860
Scale 3.980
stdev 9.007
Z_min/Location 1441.880/37.0667°Lat -94.6667°Lon
Z_max/Location 1491.140/37.0333°Lat -96.4667°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)
Cherokee Basin location map
Statistics - Beta (Crust)
Median 0.999
Mean 1.000
Scale 0.010
stdev 0.011
Z_min/Location 0.978/38.0333°Lat -94.1°Lon
Z_max/Location 1.032/37.1333°Lat -97.1667°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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TTS (crust)
Cherokee Basin location map
Statistics - TTS (crust)
Median -0.005
Mean -0.004
Scale 0.080
stdev 0.085
Z_min/Location -0.175/38.0333°Lat -94.1°Lon
Z_max/Location 0.245/37.1333°Lat -97.1667°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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Differential Beta
Cherokee Basin location map
Statistics - Differential Beta
Median 0.190
Mean 0.190
Scale 0.052
stdev 0.050
Z_min/Location 0.096/38.2°Lat -94.0667°Lon
Z_max/Location 0.322/37.1°Lat -97.1333°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 02:36:48 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia