DOM_2021-0018 (Midterhuken)

DOM_2021-0018
Model information
data doi 10.5281/zenodo.6040362
locality Midterhuken
land Nathorst Land
island Spitsbergen
easting 495679.83
northing 8620055.54
crs epsg 32633
Technical specs
acq. date 2021-06-26
acq. camera model Hasselblad L1D-20c
acq. camera lens 10.26 mm
acq. georeferencing built-in GPS
proc. software Agisoft Metashape
proc. software version 1.7.2.12040
proc. alignment accuracy highest
proc. depth map accuracy high
proc. camera stations 1997
proc. camera total error 4.97231 m
proc. ground resolution 0.101 m/pix
proc. dem resolution 0.203 m/pix
proc. dem point density 24.3 points/m2
proc. flying altitude 427 m
proc. coverage area 4.94 km2
proc. georeferencing crs 4326
proc. dc filter conf min 5
proc. sc filter recon uncertainty 20
proc. sc filter proj accuracy 3
proc. sc filter reproj error 0.3
proc. mesh filter con comp 99

Digital outcrop model of Midterhuken, at the far end of the headland where Van Keulenfjorden and Van Mijenfjorden meet. It exhibits a natural transect of the Palaeogene fold-and-thrust belt along Spitsbergen’s west coast. The deformation involves two main geologic sequences. Basement rocks on Midterhuken’s western tip (Hecla Hoek sequence) were metamorphosed and penetratively deformed during the Caledonian orongeny, and were uplifted and tilted during Tertiary deformation. To the east is a Lower Carboniferous to Cretaceous plaatform cover sequence (2 km thick) of unmetamorphosed carbonate and clastic rocks; it unconformably overlies the Hecla Hoek rocks, and forms a northeast-dipping homocline with locally complex structures (Maher et al., 1984). The Gåshamna Fm, Treskelodden Fm, Orustdalen Fm, Wordiekammen Fm, Gipshuken Fm, Kapp Starostin Fm, Vardebukta Fm, Tvillingodden Fm, Bravaisberget Fm and Kapp Toscana Gr are successively exposed eastward.