ICONS atlas: ARC - Bonnet Plume Basin

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Overview

This page bundles the available data for the Bonnet Plume Basin in the NAM Arctic Basins. 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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Bonnet Plume Basin location map

Basin name	Bonnet Plume Basin
Region code	ARC
Basin ID	1533
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.

Bonnet Plume Basin cross section

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Dynamic topography evolution for basin centroid

Bonnet Plume 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

Bonnet Plume Basin location map

Statistics - Mantle Lid thickness
Median	61.680
Mean	61.561
Scale	1.032
stdev	1.048
Z_min/Location	59.115/65.9333°Lat -134.967°Lon
Z_max/Location	64.439/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Depth of 550 deg isotherm
Median	-32.682
Mean	-32.717
Scale	0.286
stdev	0.307
Z_min/Location	-33.715/65.3333°Lat -134.433°Lon
Z_max/Location	-32.163/ 65.9333°Lat -134.967°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

Bonnet Plume Basin location map

Statistics - Mobil isopachs
Median	3.415
Mean	3.421
Scale	0.291
stdev	0.242
Z_min/Location	2.935/65.3667°Lat -135.267°Lon
Z_max/Location	3.920/ 65.9333°Lat -134.867°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

Bonnet Plume Basin location map

Statistics - Plain crustal thickness
Median	36.237
Mean	36.248
Scale	0.844
stdev	0.741
Z_min/Location	34.787/65.5°Lat -135.4°Lon
Z_max/Location	38.057/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Base middle crust
Median	-25.917
Mean	-25.929
Scale	1.537
stdev	1.329
Z_min/Location	-29.139/65.3333°Lat -134.433°Lon
Z_max/Location	-23.286/ 65.5333°Lat -135.4°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 lower crust

Bonnet Plume Basin location map

Statistics - Base lower crust
Median	-35.503
Mean	-35.510
Scale	0.826
stdev	0.716
Z_min/Location	-37.244/65.3333°Lat -134.433°Lon
Z_max/Location	-34.081/ 65.5333°Lat -135.4°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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Total crustal thickness

Bonnet Plume Basin location map

Statistics - Total crustal thickness
Median	36.638
Mean	36.638
Scale	0.831
stdev	0.716
Z_min/Location	35.204/65.5°Lat -135.4°Lon
Z_max/Location	38.365/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Base upper crust
Median	-14.394
Mean	-14.406
Scale	1.365
stdev	1.181
Z_min/Location	-17.258/65.3333°Lat -134.433°Lon
Z_max/Location	-12.061/ 65.5333°Lat -135.4°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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Thermal lithospheric thickness

Bonnet Plume Basin location map

Statistics - Thermal lithospheric thickness
Median	97.981
Mean	98.199
Scale	1.357
stdev	1.449
Z_min/Location	95.729/65.9333°Lat -134.967°Lon
Z_max/Location	102.805/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Heatflow
Median	58.221
Mean	58.174
Scale	1.070
stdev	0.837
Z_min/Location	56.542/65.9333°Lat -134.867°Lon
Z_max/Location	59.642/ 65.3333°Lat -135.067°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)

Bonnet Plume Basin location map

Statistics - Topography (ETOPO2)
Median	435.000
Mean	435.680
Scale	124.538
stdev	128.620
Z_min/Location	202.000/65.9°Lat -135.0°Lon
Z_max/Location	948.000/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Base hard sediments
Median	0.736
Mean	0.738
Scale	0.034
stdev	0.033
Z_min/Location	0.656/65.9333°Lat -134.967°Lon
Z_max/Location	0.813/ 65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Temperature at 50km depth
Median	847.216
Mean	846.252
Scale	6.801
stdev	6.974
Z_min/Location	824.794/65.3333°Lat -134.433°Lon
Z_max/Location	858.387/ 65.9333°Lat -134.967°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

Bonnet Plume Basin location map

Statistics - Laske sediment thickness
Median	-0.056
Mean	-0.076
Scale	0.044
stdev	0.056
Z_min/Location	-0.273/65.6°Lat -134.567°Lon
Z_max/Location	-0.010/ 65.4°Lat -135.367°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

Bonnet Plume Basin location map

Statistics - Lithospheric temperature gradient
Median	9.256
Mean	9.234
Scale	0.208
stdev	0.204
Z_min/Location	8.639/65.3333°Lat -134.433°Lon
Z_max/Location	9.613/ 65.9333°Lat -134.967°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

Bonnet Plume Basin location map

Statistics - Isostatic correction
Median	0.000
Mean	0.000
Scale	0.000
stdev	0.000
Z_min/Location	0.000/65.9333°Lat -134.967°Lon
Z_max/Location	0.000/65.9333°Lat -134.967°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)

Bonnet Plume Basin location map

Statistics - TTS (sediment)
Median	-0.736
Mean	-0.738
Scale	0.034
stdev	0.033
Z_min/Location	-0.813/65.3333°Lat -134.433°Lon
Z_max/Location	-0.656/65.9333°Lat -134.967°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)

Bonnet Plume Basin location map

Statistics - Beta (Sediment)
Median	0.914
Mean	0.914
Scale	0.004
stdev	0.004
Z_min/Location	0.906/65.3333°Lat -134.433°Lon
Z_max/Location	0.923/65.9333°Lat -134.967°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.

Bonnet Plume Basin location map

Statistics - Crustal vs lithosph. extn.
Median	0.004
Mean	0.006
Scale	0.015
stdev	0.014
Z_min/Location	-0.019/65.9333°Lat -134.867°Lon
Z_max/Location	0.041/65.4°Lat -135.367°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

Bonnet Plume Basin location map

Statistics - Anomalous TTS
Median	-0.830
Mean	-0.832
Scale	0.167
stdev	0.135
Z_min/Location	-1.112/65.5333°Lat -135.4°Lon
Z_max/Location	-0.522/65.3333°Lat -134.433°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

Bonnet Plume Basin location map

Statistics - Predicted elevation
Median	1606.680
Mean	1600.220
Scale	48.687
stdev	42.226
Z_min/Location	1500.260/65.5°Lat -135.4°Lon
Z_max/Location	1670.030/65.6°Lat -134.567°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)

Bonnet Plume Basin location map

Statistics - Beta (Crust)
Median	1.012
Mean	1.013
Scale	0.024
stdev	0.021
Z_min/Location	0.964/65.3333°Lat -134.433°Lon
Z_max/Location	1.055/65.5°Lat -135.4°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)

Bonnet Plume Basin location map

Statistics - TTS (crust)
Median	0.096
Mean	0.094
Scale	0.180
stdev	0.158
Z_min/Location	-0.292/65.3333°Lat -134.433°Lon
Z_max/Location	0.405/65.5°Lat -135.4°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

Bonnet Plume Basin location map

Statistics - Differential Beta
Median	-0.098
Mean	-0.099
Scale	0.022
stdev	0.018
Z_min/Location	-0.138/65.5333°Lat -135.4°Lon
Z_max/Location	-0.058/65.3333°Lat -134.433°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 02:36:51 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia