ICONS atlas: ARC - Yukon-Koyukuk Cretaceous Province

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Overview

This page bundles the available data for the Yukon-Koyukuk Cretaceous Province 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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Yukon-Koyukuk Cretaceous Province location map
Basin name Yukon-Koyukuk Cretaceous Province
Region code ARC
Basin ID 1504
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.

Yukon-Koyukuk Cretaceous Province cross section
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Dynamic topography evolution for basin centroid
Yukon-Koyukuk Cretaceous Province 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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Mantle Lid thickness
Median 63.994
Mean 63.876
Scale 0.155
stdev 0.718
Z_min/Location 60.925/66.0°Lat -153.433°Lon
Z_max/Location 64.660/ 65.3333°Lat -156.7°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Depth of 550 deg isotherm
Median -32.000
Mean -32.001
Scale 0.000
stdev 0.004
Z_min/Location -32.038/66.2667°Lat -154.133°Lon
Z_max/Location -32.000/ 64.9667°Lat -156.5°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Mobil isopachs
Median 0.284
Mean 0.314
Scale 0.235
stdev 0.251
Z_min/Location -0.055/63.5°Lat -159.167°Lon
Z_max/Location 1.361/ 65.7°Lat -160.8°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Plain crustal thickness
Median 29.422
Mean 29.569
Scale 1.435
stdev 1.288
Z_min/Location 27.785/65.7°Lat -157.733°Lon
Z_max/Location 33.845/ 66.1667°Lat -153.8°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Base middle crust
Median -20.515
Mean -20.658
Scale 0.326
stdev 0.376
Z_min/Location -21.877/66.2667°Lat -154.133°Lon
Z_max/Location -20.265/ 64.5°Lat -159.467°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Base lower crust
Median -30.854
Mean -30.982
Scale 0.246
stdev 0.709
Z_min/Location -33.977/66.1667°Lat -153.8°Lon
Z_max/Location -30.156/ 65.3333°Lat -156.8°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Total crustal thickness
Median 31.007
Mean 31.132
Scale 0.158
stdev 0.729
Z_min/Location 30.341/65.3333°Lat -156.7°Lon
Z_max/Location 34.272/ 66.1667°Lat -153.8°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Base upper crust
Median -10.622
Mean -10.616
Scale 0.341
stdev 0.233
Z_min/Location -11.213/62.2°Lat -164.6°Lon
Z_max/Location -10.265/ 63.6°Lat -158.9°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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Thermal lithospheric thickness
Yukon-Koyukuk Cretaceous Province location map
Statistics - Thermal lithospheric thickness
Median 95.000
Mean 95.008
Scale 0.001
stdev 0.023
Z_min/Location 94.998/64.9667°Lat -156.533°Lon
Z_max/Location 95.240/ 66.2667°Lat -154.133°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Heatflow
Median 79.521
Mean 79.221
Scale 3.107
stdev 2.930
Z_min/Location 72.811/66.2667°Lat -154.133°Lon
Z_max/Location 85.599/ 64.0°Lat -160.133°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)
Yukon-Koyukuk Cretaceous Province location map
Statistics - Topography (ETOPO2)
Median 158.000
Mean 203.515
Scale 173.464
stdev 177.924
Z_min/Location -170.000/63.7°Lat -161.1°Lon
Z_max/Location 1171.000/ 65.3667°Lat -154.2°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 hard sediments
Yukon-Koyukuk Cretaceous Province location map
Statistics - Base hard sediments
Median -1.280
Mean -1.408
Scale 1.200
stdev 0.938
Z_min/Location -3.139/62.1333°Lat -162.833°Lon
Z_max/Location -0.114/ 63.6333°Lat -158.833°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Temperature at 50km depth
Median 862.000
Mean 861.972
Scale 0.004
stdev 0.076
Z_min/Location 861.166/66.2667°Lat -154.133°Lon
Z_max/Location 862.007/ 64.9667°Lat -156.533°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Laske sediment thickness
Median 1.248
Mean 1.517
Scale 1.119
stdev 1.304
Z_min/Location -0.151/63.1667°Lat -160.567°Lon
Z_max/Location 6.085/ 65.0333°Lat -158.9°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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Lithospheric temperature gradient
Yukon-Koyukuk Cretaceous Province location map
Statistics - Lithospheric temperature gradient
Median 9.742
Mean 9.741
Scale 0.000
stdev 0.003
Z_min/Location 9.703/66.2667°Lat -154.133°Lon
Z_max/Location 9.742/ 64.8333°Lat -156.533°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Isostatic correction
Median 0.526
Mean 0.618
Scale 0.461
stdev 0.502
Z_min/Location 0.000/63.5°Lat -160.633°Lon
Z_max/Location 2.257/65.0333°Lat -158.9°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)
Yukon-Koyukuk Cretaceous Province location map
Statistics - TTS (sediment)
Median 0.788
Mean 0.790
Scale 1.063
stdev 0.920
Z_min/Location -1.333/64.9°Lat -159.1°Lon
Z_max/Location 2.590/62.1°Lat -162.733°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)
Yukon-Koyukuk Cretaceous Province location map
Statistics - Beta (Sediment)
Median 1.112
Mean 1.132
Scale 0.161
stdev 0.153
Z_min/Location 0.854/64.9°Lat -159.1°Lon
Z_max/Location 1.495/62.1°Lat -162.733°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.
Yukon-Koyukuk Cretaceous Province location map
Statistics - Crustal vs lithosph. extn.
Median 0.010
Mean 0.007
Scale 0.049
stdev 0.042
Z_min/Location -0.120/66.1667°Lat -153.8°Lon
Z_max/Location 0.070/65.7°Lat -157.7°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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Anomalous TTS
Yukon-Koyukuk Cretaceous Province location map
Statistics - Anomalous TTS
Median 0.847
Mean 0.753
Scale 0.750
stdev 0.742
Z_min/Location -1.295/64.9333°Lat -159.033°Lon
Z_max/Location 2.119/62.1333°Lat -162.733°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Predicted elevation
Median 1143.870
Mean 1155.210
Scale 16.096
stdev 70.145
Z_min/Location 1074.760/65.3333°Lat -156.7°Lon
Z_max/Location 1449.350/66.1667°Lat -153.8°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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Beta (Crust)
Yukon-Koyukuk Cretaceous Province location map
Statistics - Beta (Crust)
Median 1.010
Mean 1.007
Scale 0.049
stdev 0.042
Z_min/Location 0.878/66.1667°Lat -153.8°Lon
Z_max/Location 1.069/65.7°Lat -157.733°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)
Yukon-Koyukuk Cretaceous Province location map
Statistics - TTS (crust)
Median 0.075
Mean 0.037
Scale 0.378
stdev 0.339
Z_min/Location -1.089/66.1667°Lat -153.8°Lon
Z_max/Location 0.506/65.7°Lat -157.733°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
Yukon-Koyukuk Cretaceous Province location map
Statistics - Differential Beta
Median 0.117
Mean 0.126
Scale 0.121
stdev 0.127
Z_min/Location -0.141/64.9333°Lat -159.0°Lon
Z_max/Location 0.431/62.1°Lat -162.733°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