ICONS atlas: NAM - Forest City Basin

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Overview

This page bundles the available data for the Forest City 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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Forest City Basin location map
Basin name Forest City Basin
Region code NAM
Basin ID 1063
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.

Forest City Basin cross section
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Dynamic topography evolution for basin centroid
Forest City 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
Forest City Basin location map
Statistics - Mantle Lid thickness
Median 98.887
Mean 99.459
Scale 6.829
stdev 5.335
Z_min/Location 91.688/39.0°Lat -96.0°Lon
Z_max/Location 111.595/ 41.6°Lat -94.3667°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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Depth of 550 deg isotherm
Forest City Basin location map
Statistics - Depth of 550 deg isotherm
Median -41.465
Mean -41.657
Scale 0.669
stdev 0.658
Z_min/Location -43.494/41.7333°Lat -94.7667°Lon
Z_max/Location -40.999/ 38.8°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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Mobil isopachs
Forest City Basin location map
Statistics - Mobil isopachs
Median 0.986
Mean 0.953
Scale 0.109
stdev 0.113
Z_min/Location 0.538/41.7°Lat -95.7333°Lon
Z_max/Location 1.117/ 40.9333°Lat -93.9°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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Plain crustal thickness
Forest City Basin location map
Statistics - Plain crustal thickness
Median 41.606
Mean 41.804
Scale 2.483
stdev 1.758
Z_min/Location 39.186/40.7°Lat -93.3333°Lon
Z_max/Location 44.871/ 38.1333°Lat -94.2667°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
Forest City Basin location map
Statistics - Base middle crust
Median -32.789
Mean -32.939
Scale 1.670
stdev 1.200
Z_min/Location -34.883/39.2°Lat -96.2°Lon
Z_max/Location -31.199/ 40.7333°Lat -93.5°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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Base lower crust
Forest City Basin location map
Statistics - Base lower crust
Median -42.535
Mean -42.783
Scale 2.794
stdev 2.009
Z_min/Location -46.074/39.2°Lat -96.2°Lon
Z_max/Location -39.854/ 40.7°Lat -93.3667°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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Total crustal thickness
Forest City Basin location map
Statistics - Total crustal thickness
Median 42.876
Mean 43.113
Scale 2.805
stdev 2.022
Z_min/Location 40.136/40.7°Lat -93.3333°Lon
Z_max/Location 46.468/ 39.2°Lat -96.2°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 upper crust
Forest City Basin location map
Statistics - Base upper crust
Median -17.043
Mean -17.078
Scale 0.537
stdev 0.372
Z_min/Location -17.712/38.6333°Lat -96.4333°Lon
Z_max/Location -16.540/ 40.7667°Lat -93.6°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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Thermal lithospheric thickness
Forest City Basin location map
Statistics - Thermal lithospheric thickness
Median 141.607
Mean 142.571
Scale 3.514
stdev 3.536
Z_min/Location 138.000/39.0°Lat -96.0°Lon
Z_max/Location 152.314/ 41.6333°Lat -94.4333°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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Heatflow
Forest City Basin location map
Statistics - Heatflow
Median 48.506
Mean 48.526
Scale 2.163
stdev 1.776
Z_min/Location 44.953/41.7333°Lat -94.7667°Lon
Z_max/Location 52.640/ 38.0667°Lat -94.3667°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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Topography (ETOPO2)
Forest City Basin location map
Statistics - Topography (ETOPO2)
Median 305.000
Mean 306.773
Scale 51.891
stdev 51.557
Z_min/Location 185.000/39.4°Lat -93.1667°Lon
Z_max/Location 478.000/ 38.8333°Lat -96.2333°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
Forest City Basin location map
Statistics - Base hard sediments
Median -0.865
Mean -0.980
Scale 0.284
stdev 0.317
Z_min/Location -1.757/38.6333°Lat -96.4333°Lon
Z_max/Location -0.645/ 39.0333°Lat -93.4°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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Temperature at 50km depth
Forest City Basin location map
Statistics - Temperature at 50km depth
Median 670.809
Mean 668.190
Scale 10.380
stdev 10.005
Z_min/Location 640.937/41.6333°Lat -94.4333°Lon
Z_max/Location 680.000/ 39.0°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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Laske sediment thickness
Forest City Basin location map
Statistics - Laske sediment thickness
Median 0.752
Mean 0.768
Scale 0.271
stdev 0.261
Z_min/Location 0.365/38.6667°Lat -93.7667°Lon
Z_max/Location 1.502/ 41.0333°Lat -94.0333°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
Forest City Basin location map
Statistics - Lithospheric temperature gradient
Median 6.837
Mean 6.816
Scale 0.166
stdev 0.132
Z_min/Location 6.497/41.7°Lat -94.6333°Lon
Z_max/Location 7.014/ 40.0°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
Forest City Basin location map
Statistics - Isostatic correction
Median 0.321
Mean 0.327
Scale 0.113
stdev 0.109
Z_min/Location 0.157/38.6667°Lat -93.7667°Lon
Z_max/Location 0.629/41.0333°Lat -94.0333°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)
Forest City Basin location map
Statistics - TTS (sediment)
Median 0.581
Mean 0.653
Scale 0.357
stdev 0.324
Z_min/Location 0.053/41.0333°Lat -93.9667°Lon
Z_max/Location 1.225/39.4°Lat -96.0667°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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Beta (Sediment)
Forest City Basin location map
Statistics - Beta (Sediment)
Median 1.080
Mean 1.093
Scale 0.053
stdev 0.050
Z_min/Location 1.007/41.0333°Lat -93.9667°Lon
Z_max/Location 1.186/39.4°Lat -96.0667°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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Crustal vs lithosph. extn.
Forest City Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.055
Mean 0.056
Scale 0.093
stdev 0.065
Z_min/Location -0.037/38.0667°Lat -94.3667°Lon
Z_max/Location 0.174/41.6°Lat -94.3667°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
Forest City Basin location map
Statistics - Anomalous TTS
Median 0.313
Mean 0.368
Scale 0.823
stdev 0.621
Z_min/Location -0.673/41.0333°Lat -93.9667°Lon
Z_max/Location 1.402/39.3333°Lat -96.1°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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Predicted elevation
Forest City Basin location map
Statistics - Predicted elevation
Median 1304.800
Mean 1296.300
Scale 211.611
stdev 152.435
Z_min/Location 1006.180/41.6°Lat -94.3667°Lon
Z_max/Location 1514.480/39.0°Lat -96.0°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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Beta (Crust)
Forest City Basin location map
Statistics - Beta (Crust)
Median 1.043
Mean 1.040
Scale 0.063
stdev 0.044
Z_min/Location 0.967/38.1333°Lat -94.2667°Lon
Z_max/Location 1.107/40.7°Lat -93.3333°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)
Forest City Basin location map
Statistics - TTS (crust)
Median 0.321
Mean 0.285
Scale 0.448
stdev 0.317
Z_min/Location -0.268/38.1333°Lat -94.2667°Lon
Z_max/Location 0.757/40.7°Lat -93.3333°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
Forest City Basin location map
Statistics - Differential Beta
Median 0.045
Mean 0.054
Scale 0.119
stdev 0.091
Z_min/Location -0.096/40.9667°Lat -93.9333°Lon
Z_max/Location 0.208/39.3333°Lat -96.1°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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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