ICONS atlas: SAM - Parana Basin

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Overview

This page bundles the available data for the Parana Basin in the South 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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Parana Basin location map
Basin name Parana Basin
Region code SAM
Basin ID 2200
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.

Parana Basin cross section
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Dynamic topography evolution for basin centroid
Parana 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
Parana Basin location map
Statistics - Mantle Lid thickness
Median 89.221
Mean 91.491
Scale 3.427
stdev 8.688
Z_min/Location 75.000/-16.0°Lat -55.0°Lon
Z_max/Location 131.275/ -27.9667°Lat -49.2333°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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Depth of 550 deg isotherm
Parana Basin location map
Statistics - Depth of 550 deg isotherm
Median -39.043
Mean -39.568
Scale 0.638
stdev 1.477
Z_min/Location -46.226/-27.7667°Lat -49.2°Lon
Z_max/Location -36.998/ -15.3°Lat -54.7667°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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Mobil isopachs
Parana Basin location map
Statistics - Mobil isopachs
Median 1.995
Mean 2.179
Scale 1.723
stdev 1.362
Z_min/Location -0.261/-30.4°Lat -53.0333°Lon
Z_max/Location 5.000/ -21.9667°Lat -52.5°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
Parana Basin location map
Statistics - Plain crustal thickness
Median 38.690
Mean 38.527
Scale 1.004
stdev 1.230
Z_min/Location 29.967/-29.8°Lat -49.7°Lon
Z_max/Location 40.504/ -15.2°Lat -56.0333°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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Base middle crust
Parana Basin location map
Statistics - Base middle crust
Median -29.622
Mean -29.333
Scale 3.111
stdev 2.360
Z_min/Location -32.669/-27.3333°Lat -56.6333°Lon
Z_max/Location -22.088/ -29.9333°Lat -50.0°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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Base lower crust
Parana Basin location map
Statistics - Base lower crust
Median -40.604
Mean -40.272
Scale 0.222
stdev 1.004
Z_min/Location -41.448/-27.5333°Lat -50.6°Lon
Z_max/Location -32.138/ -29.9°Lat -49.9°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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Total crustal thickness
Parana Basin location map
Statistics - Total crustal thickness
Median 41.000
Mean 40.667
Scale 0.052
stdev 1.016
Z_min/Location 32.123/-29.9°Lat -49.9°Lon
Z_max/Location 42.110/ -27.4667°Lat -50.5333°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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Base upper crust
Parana Basin location map
Statistics - Base upper crust
Median -15.950
Mean -15.754
Scale 1.833
stdev 1.508
Z_min/Location -18.750/-21.7°Lat -51.9333°Lon
Z_max/Location -11.890/ -23.3°Lat -47.2667°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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Thermal lithospheric thickness
Parana Basin location map
Statistics - Thermal lithospheric thickness
Median 130.014
Mean 132.158
Scale 3.825
stdev 8.440
Z_min/Location 116.000/-16.0°Lat -55.0°Lon
Z_max/Location 169.231/ -27.9333°Lat -49.2333°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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Heatflow
Parana Basin location map
Statistics - Heatflow
Median 56.029
Mean 56.508
Scale 3.216
stdev 4.246
Z_min/Location 48.262/-29.9333°Lat -50.0°Lon
Z_max/Location 74.233/ -22.2333°Lat -55.9667°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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Topography (ETOPO2)
Parana Basin location map
Statistics - Topography (ETOPO2)
Median 476.000
Mean 498.173
Scale 226.838
stdev 243.263
Z_min/Location -152.000/-29.5°Lat -49.8333°Lon
Z_max/Location 1737.000/ -27.8667°Lat -49.3333°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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Base hard sediments
Parana Basin location map
Statistics - Base hard sediments
Median -1.543
Mean -1.745
Scale 0.947
stdev 0.995
Z_min/Location -4.664/-21.8333°Lat -52.0°Lon
Z_max/Location 0.179/ -22.9°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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Temperature at 50km depth
Parana Basin location map
Statistics - Temperature at 50km depth
Median 708.881
Mean 703.650
Scale 12.203
stdev 25.623
Z_min/Location 604.212/-27.9333°Lat -49.2333°Lon
Z_max/Location 760.000/ -15.0°Lat -54.0°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
Parana Basin location map
Statistics - Laske sediment thickness
Median 1.811
Mean 2.134
Scale 1.385
stdev 1.339
Z_min/Location -0.004/-24.0667°Lat -48.3°Lon
Z_max/Location 5.272/ -22.0333°Lat -52.4333°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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Lithospheric temperature gradient
Parana Basin location map
Statistics - Lithospheric temperature gradient
Median 7.391
Mean 7.308
Scale 0.253
stdev 0.372
Z_min/Location 5.972/-27.7667°Lat -49.2°Lon
Z_max/Location 8.189/ -15.0°Lat -54.0°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
Parana Basin location map
Statistics - Isostatic correction
Median 0.752
Mean 0.861
Scale 0.555
stdev 0.512
Z_min/Location 0.000/-24.0667°Lat -48.3°Lon
Z_max/Location 2.000/-22.0333°Lat -52.4333°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)
Parana Basin location map
Statistics - TTS (sediment)
Median 0.803
Mean 0.884
Scale 0.536
stdev 0.577
Z_min/Location -0.468/-22.4667°Lat -47.1667°Lon
Z_max/Location 2.758/-29.1°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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Beta (Sediment)
Parana Basin location map
Statistics - Beta (Sediment)
Median 1.114
Mean 1.136
Scale 0.083
stdev 0.102
Z_min/Location 0.944/-22.4667°Lat -47.1667°Lon
Z_max/Location 1.545/-29.1°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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Crustal vs lithosph. extn.
Parana Basin location map
Statistics - Crustal vs lithosph. extn.
Median 0.042
Mean 0.039
Scale 0.040
stdev 0.075
Z_min/Location -0.143/-15.2°Lat -56.0333°Lon
Z_max/Location 0.452/-29.6333°Lat -49.3667°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
Parana Basin location map
Statistics - Anomalous TTS
Median 0.748
Mean 0.782
Scale 0.362
stdev 0.461
Z_min/Location -0.807/-22.9667°Lat -47.1°Lon
Z_max/Location 2.077/-21.8333°Lat -51.9333°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
Parana Basin location map
Statistics - Predicted elevation
Median 1378.490
Mean 1340.210
Scale 69.648
stdev 167.557
Z_min/Location 407.604/-29.7667°Lat -49.6333°Lon
Z_max/Location 1616.800/-16.0°Lat -55.0°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)
Parana Basin location map
Statistics - Beta (Crust)
Median 1.009
Mean 1.014
Scale 0.026
stdev 0.035
Z_min/Location 0.964/-15.2°Lat -56.0333°Lon
Z_max/Location 1.303/-29.8°Lat -49.7°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)
Parana Basin location map
Statistics - TTS (crust)
Median 0.070
Mean 0.102
Scale 0.201
stdev 0.246
Z_min/Location -0.294/-15.2°Lat -56.0333°Lon
Z_max/Location 1.817/-29.8°Lat -49.7°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
Parana Basin location map
Statistics - Differential Beta
Median 0.107
Mean 0.122
Scale 0.060
stdev 0.084
Z_min/Location -0.102/-23.0°Lat -47.1333°Lon
Z_max/Location 0.439/-21.8333°Lat -51.9667°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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This basin data is based on interpolated global grids and might contain gridding errors or wrongly interpolated data values.

Page generated 2008-08-03 02:36:53 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia