ICONS atlas: NAM - Salina Basin

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Overview

This page bundles the available data for the Salina 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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Salina Basin location map
Basin name Salina Basin
Region code NAM
Basin ID 1050
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.

Salina Basin cross section
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Dynamic topography evolution for basin centroid
Salina 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
Salina Basin location map
Statistics - Mantle Lid thickness
Median 92.464
Mean 95.379
Scale 2.625
stdev 6.336
Z_min/Location 87.746/41.3333°Lat -100.233°Lon
Z_max/Location 119.373/ 43.1333°Lat -97.3333°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
Salina Basin location map
Statistics - Depth of 550 deg isotherm
Median -41.005
Mean -41.396
Scale 0.447
stdev 1.010
Z_min/Location -45.379/43.1333°Lat -97.3333°Lon
Z_max/Location -40.000/ 41.0°Lat -99.0°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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Mobil isopachs
Salina Basin location map
Statistics - Mobil isopachs
Median 0.824
Mean 0.693
Scale 0.265
stdev 0.334
Z_min/Location -0.120/43.1°Lat -97.2667°Lon
Z_max/Location 1.049/ 41.3333°Lat -100.233°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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Plain crustal thickness
Salina Basin location map
Statistics - Plain crustal thickness
Median 44.057
Mean 43.992
Scale 0.530
stdev 0.770
Z_min/Location 40.716/42.0667°Lat -96.4°Lon
Z_max/Location 45.258/ 42.6667°Lat -98.3667°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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Base middle crust
Salina Basin location map
Statistics - Base middle crust
Median -34.233
Mean -34.078
Scale 0.309
stdev 0.506
Z_min/Location -34.797/39.7667°Lat -96.9333°Lon
Z_max/Location -31.935/ 42.1667°Lat -96.4333°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
Salina Basin location map
Statistics - Base lower crust
Median -45.268
Mean -44.961
Scale 0.336
stdev 0.871
Z_min/Location -45.978/39.7°Lat -96.9667°Lon
Z_max/Location -41.202/ 42.1667°Lat -96.4333°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
Salina Basin location map
Statistics - Total crustal thickness
Median 45.961
Mean 45.593
Scale 0.274
stdev 0.917
Z_min/Location 41.669/42.1667°Lat -96.4333°Lon
Z_max/Location 46.444/ 39.7°Lat -96.9667°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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Base upper crust
Salina Basin location map
Statistics - Base upper crust
Median -17.285
Mean -17.281
Scale 0.190
stdev 0.239
Z_min/Location -18.187/38.5°Lat -97.8333°Lon
Z_max/Location -16.670/ 42.1667°Lat -96.4333°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
Salina Basin location map
Statistics - Thermal lithospheric thickness
Median 138.607
Mean 140.972
Scale 2.583
stdev 5.806
Z_min/Location 133.826/41.3333°Lat -100.233°Lon
Z_max/Location 163.897/ 43.1333°Lat -97.4667°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
Salina Basin location map
Statistics - Heatflow
Median 48.549
Mean 48.528
Scale 3.108
stdev 2.348
Z_min/Location 44.814/43.1333°Lat -97.3333°Lon
Z_max/Location 52.835/ 38.5°Lat -97.8333°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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Topography (ETOPO2)
Salina Basin location map
Statistics - Topography (ETOPO2)
Median 518.000
Mean 539.911
Scale 114.160
stdev 114.840
Z_min/Location 312.000/43.0667°Lat -97.4°Lon
Z_max/Location 939.000/ 41.5°Lat -100.1°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 hard sediments
Salina Basin location map
Statistics - Base hard sediments
Median -0.976
Mean -0.970
Scale 0.561
stdev 0.467
Z_min/Location -2.144/38.5°Lat -97.8°Lon
Z_max/Location -0.268/ 42.5667°Lat -97.6667°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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Temperature at 50km depth
Salina Basin location map
Statistics - Temperature at 50km depth
Median 680.358
Mean 674.035
Scale 6.986
stdev 15.629
Z_min/Location 614.684/43.1333°Lat -97.4667°Lon
Z_max/Location 694.547/ 41.3333°Lat -100.233°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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Laske sediment thickness
Salina Basin location map
Statistics - Laske sediment thickness
Median 1.404
Mean 1.380
Scale 0.144
stdev 0.196
Z_min/Location 0.594/43.1333°Lat -97.3333°Lon
Z_max/Location 1.884/ 38.5°Lat -97.7667°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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Lithospheric temperature gradient
Salina Basin location map
Statistics - Lithospheric temperature gradient
Median 6.981
Mean 6.867
Scale 0.169
stdev 0.248
Z_min/Location 6.089/43.1333°Lat -97.4667°Lon
Z_max/Location 7.167/ 40.0°Lat -99.0°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
Salina Basin location map
Statistics - Isostatic correction
Median 0.589
Mean 0.579
Scale 0.058
stdev 0.080
Z_min/Location 0.254/43.1333°Lat -97.3333°Lon
Z_max/Location 0.781/38.5°Lat -97.7667°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)
Salina Basin location map
Statistics - TTS (sediment)
Median 0.398
Mean 0.391
Scale 0.521
stdev 0.412
Z_min/Location -0.256/42.1°Lat -97.7333°Lon
Z_max/Location 1.365/38.5°Lat -97.8333°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)
Salina Basin location map
Statistics - Beta (Sediment)
Median 1.054
Mean 1.056
Scale 0.073
stdev 0.060
Z_min/Location 0.968/42.1°Lat -97.7333°Lon
Z_max/Location 1.212/38.5°Lat -97.8333°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.
Salina Basin location map
Statistics - Crustal vs lithosph. extn.
Median -0.010
Mean 0.007
Scale 0.023
stdev 0.045
Z_min/Location -0.046/41.3333°Lat -100.233°Lon
Z_max/Location 0.160/42.9333°Lat -97.0667°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
Salina Basin location map
Statistics - Anomalous TTS
Median 0.495
Mean 0.446
Scale 0.455
stdev 0.419
Z_min/Location -0.454/42.2°Lat -96.4667°Lon
Z_max/Location 1.304/38.5°Lat -97.8°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
Salina Basin location map
Statistics - Predicted elevation
Median 1501.550
Mean 1441.600
Scale 41.579
stdev 119.350
Z_min/Location 1014.280/43.1333°Lat -97.3333°Lon
Z_max/Location 1574.900/41.3333°Lat -100.233°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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Beta (Crust)
Salina Basin location map
Statistics - Beta (Crust)
Median 0.991
Mean 0.993
Scale 0.012
stdev 0.018
Z_min/Location 0.965/42.6667°Lat -98.3667°Lon
Z_max/Location 1.073/42.0667°Lat -96.4°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)
Salina Basin location map
Statistics - TTS (crust)
Median -0.067
Mean -0.055
Scale 0.095
stdev 0.138
Z_min/Location -0.282/42.6667°Lat -98.3667°Lon
Z_max/Location 0.531/42.0667°Lat -96.4°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
Salina Basin location map
Statistics - Differential Beta
Median 0.066
Mean 0.063
Scale 0.066
stdev 0.060
Z_min/Location -0.063/42.1667°Lat -96.4333°Lon
Z_max/Location 0.204/38.5°Lat -97.8°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