ICONS atlas: SUN - Masalembo High

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Overview

This page bundles the available data for the Masalembo High in the Sundaland Region. 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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Masalembo High location map
Basin name Masalembo High
Region code SUN
Basin ID 6740
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.

Masalembo High cross section
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Dynamic topography evolution for basin centroid
Masalembo High 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
Masalembo High location map
Statistics - Mantle Lid thickness
Median 65.522
Mean 65.097
Scale 0.784
stdev 1.058
Z_min/Location 62.342/-5.46667°Lat 114.4°Lon
Z_max/Location 66.157/ -4.26667°Lat 116.267°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
Masalembo High location map
Statistics - Depth of 550 deg isotherm
Median -32.017
Mean -32.017
Scale 0.009
stdev 0.008
Z_min/Location -32.034/-5.43333°Lat 114.9°Lon
Z_max/Location -32.001/ -3.76667°Lat 115.9°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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Mobil isopachs
Masalembo High location map
Statistics - Mobil isopachs
Median 0.980
Mean 0.998
Scale 0.066
stdev 0.120
Z_min/Location 0.733/-4.13333°Lat 115.433°Lon
Z_max/Location 1.515/ -5.3°Lat 114.4°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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Plain crustal thickness
Masalembo High location map
Statistics - Plain crustal thickness
Median 27.906
Mean 28.104
Scale 0.313
stdev 0.509
Z_min/Location 27.493/-4.76667°Lat 115.867°Lon
Z_max/Location 29.652/ -5.46667°Lat 114.4°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 middle crust
Masalembo High location map
Statistics - Base middle crust
Median -21.591
Mean -21.766
Scale 0.663
stdev 0.641
Z_min/Location -23.226/-5.56667°Lat 114.6°Lon
Z_max/Location -21.009/ -4.0°Lat 115.633°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
Masalembo High location map
Statistics - Base lower crust
Median -29.562
Mean -29.963
Scale 0.813
stdev 1.037
Z_min/Location -32.622/-5.46667°Lat 114.4°Lon
Z_max/Location -28.956/ -4.26667°Lat 116.267°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
Masalembo High location map
Statistics - Total crustal thickness
Median 29.578
Mean 29.995
Scale 0.862
stdev 1.088
Z_min/Location 28.895/-4.26667°Lat 116.267°Lon
Z_max/Location 32.777/ -5.46667°Lat 114.4°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 upper crust
Masalembo High location map
Statistics - Base upper crust
Median -11.705
Mean -11.829
Scale 0.716
stdev 0.624
Z_min/Location -13.211/-5.56667°Lat 114.667°Lon
Z_max/Location -11.007/ -3.96667°Lat 115.667°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
Masalembo High location map
Statistics - Thermal lithospheric thickness
Median 95.093
Mean 95.092
Scale 0.046
stdev 0.041
Z_min/Location 95.005/-3.76667°Lat 115.9°Lon
Z_max/Location 95.184/ -5.43333°Lat 114.9°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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Heatflow
Masalembo High location map
Statistics - Heatflow
Median 78.189
Mean 78.351
Scale 1.099
stdev 0.977
Z_min/Location 76.480/-5.13333°Lat 115.367°Lon
Z_max/Location 80.478/ -4.26667°Lat 116.267°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)
Masalembo High location map
Statistics - Topography (ETOPO2)
Median -26.000
Mean -23.844
Scale 4.448
stdev 7.613
Z_min/Location -39.000/-4.73333°Lat 115.733°Lon
Z_max/Location -1.000/ -4.33333°Lat 115.833°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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Base hard sediments
Masalembo High location map
Statistics - Base hard sediments
Median -1.772
Mean -1.859
Scale 0.692
stdev 0.590
Z_min/Location -3.163/-5.56667°Lat 114.667°Lon
Z_max/Location -0.987/ -3.86667°Lat 115.767°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
Masalembo High location map
Statistics - Temperature at 50km depth
Median 861.684
Mean 861.687
Scale 0.159
stdev 0.141
Z_min/Location 861.372/-5.43333°Lat 114.9°Lon
Z_max/Location 861.984/ -3.76667°Lat 115.9°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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Laske sediment thickness
Masalembo High location map
Statistics - Laske sediment thickness
Median 1.295
Mean 1.350
Scale 0.132
stdev 0.184
Z_min/Location 1.052/-3.76667°Lat 115.9°Lon
Z_max/Location 1.912/ -5.56667°Lat 114.6°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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Lithospheric temperature gradient
Masalembo High location map
Statistics - Lithospheric temperature gradient
Median 9.737
Mean 9.737
Scale 0.002
stdev 0.002
Z_min/Location 9.732/-5.43333°Lat 114.9°Lon
Z_max/Location 9.742/ -3.76667°Lat 115.9°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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Computations

Isostatic correction
Masalembo High location map
Statistics - Isostatic correction
Median 0.545
Mean 0.567
Scale 0.054
stdev 0.074
Z_min/Location 0.445/-3.76667°Lat 115.9°Lon
Z_max/Location 0.792/-5.56667°Lat 114.6°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)
Masalembo High location map
Statistics - TTS (sediment)
Median 1.232
Mean 1.292
Scale 0.645
stdev 0.520
Z_min/Location 0.508/-3.96667°Lat 115.667°Lon
Z_max/Location 2.376/-5.56667°Lat 114.667°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)
Masalembo High location map
Statistics - Beta (Sediment)
Median 1.187
Mean 1.206
Scale 0.112
stdev 0.099
Z_min/Location 1.069/-3.96667°Lat 115.667°Lon
Z_max/Location 1.437/-5.56667°Lat 114.667°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.
Masalembo High location map
Statistics - Crustal vs lithosph. extn.
Median 0.011
Mean 0.005
Scale 0.011
stdev 0.018
Z_min/Location -0.048/-5.46667°Lat 114.4°Lon
Z_max/Location 0.027/-4.76667°Lat 115.867°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
Masalembo High location map
Statistics - Anomalous TTS
Median 1.105
Mean 1.255
Scale 0.697
stdev 0.633
Z_min/Location 0.444/-4.03333°Lat 115.567°Lon
Z_max/Location 2.675/-5.56667°Lat 114.6°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
Masalembo High location map
Statistics - Predicted elevation
Median 991.486
Mean 1033.940
Scale 93.720
stdev 113.272
Z_min/Location 916.867/-4.26667°Lat 116.267°Lon
Z_max/Location 1315.470/-5.46667°Lat 114.4°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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Beta (Crust)
Masalembo High location map
Statistics - Beta (Crust)
Median 1.012
Mean 1.005
Scale 0.011
stdev 0.018
Z_min/Location 0.952/-5.46667°Lat 114.4°Lon
Z_max/Location 1.027/-4.76667°Lat 115.867°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)
Masalembo High location map
Statistics - TTS (crust)
Median 0.092
Mean 0.037
Scale 0.087
stdev 0.141
Z_min/Location -0.392/-5.46667°Lat 114.4°Lon
Z_max/Location 0.206/-4.76667°Lat 115.867°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
Masalembo High location map
Statistics - Differential Beta
Median 0.171
Mean 0.201
Scale 0.119
stdev 0.114
Z_min/Location 0.061/-4.03333°Lat 115.567°Lon
Z_max/Location 0.472/-5.56667°Lat 114.667°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 02:36:58 CEST | © Christian Heine, School of Geosciences, Sydney University, Australia