Visualize and interpret the geometry, heterogeneity and lateral ...

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understanding of the geology of some of the channel bodies in De Geerdalen Formation atHopen. The sedimentological data have mainly been collected from the eastern side of theisland, as a consequence of limited accessibility on the westerns side. The photo material andPhotoModeler-model will be used to understand the channel bodies and will also besupplemented with logged sections where it is suitable.Klausen and Mørk (submitted) obtained palaeocurrent measurements and detailedsedimentological analysis of some of the most important channel bodies on the island. Thesemeasurements and interpretations have been used in the discussions to confirm or disprove theinterpretations based on geometrical indicators found on the different channel bodies as seenon the photos.To interpret the different channel bodies described in this thesis the high-resolution photoshave been used. Programs like Photoshop, Light Room and PhotoModeler combined with theuse of two high-resolution widescreens and a custom-made computer made it possible tozoom in on features related to the channel bodies and be able to do detailed interpretation ofthem. The most detailed interpretations are difficult to see on the photos presented in thisthesis. This is because the thesis is printed in B5 size, about 16% smaller than A4 and becausethe photos presented in the thesis are PNG-files or JPEG-files, while the detailedinterpretation is done on photos saved as Tiff-files, which have a higher resolution than PNGand JPEG files.14
2.2 PhotoModeler-modelThe program PhotoModeler was used to make a PhotoModeler-model of the photos taken ofHopen. This was done by combining photos from different camera positions and differentangels (Figure 2.1). In principle this is done by laboriously orienting two photos. When thesetwo photos are oriented you can add one photo at the time, connecting them with the photosthat are already oriented.Figure 2.1: Illustration of how to combine the different photos with different angels tocreate points with correct X, Y and Z values.To get the correct position of the photos and the spatial position of each individual point, youneed to pick out the exact same spot on all the photos. When this is done to a sufficientnumber of points it is possible to process the model. If this is done correctly the new photo isoriented and the PhotoModeler-model will be updated. The X, Y and Z coordinates of each15
Page 1: Visualize and interpret the geometr
Page 5 and 6: SammendragEn digital 3D-modell av H
Page 7: 4.2.3 Channel body 8 (SW of Lyngefj
Page 10 and 11: Secondly, I wish to thank my co-sup
Page 12 and 13: 1.3 Regional geological settingThe
Page 14 and 15: The Triassic of Svalbard consists o
Page 16 and 17: Geerdalen Formation is overlain by
Page 18 and 19: 1.5 Previous work at HopenThe Swedi
Page 21: 2. MethodsThe work of this thesis i
Page 25 and 26: 2.3 Sources of errorThere are no kn
Page 27 and 28: 3. Lateral distribution of possible
Page 29 and 30: Figure 3.2: This photo and drawing
Page 31 and 32: 3.2 Lateral distribution of Slottet
Page 33 and 34: Hopen member and the top of the mou
Page 35 and 36: 4. Channel bodiesIn this chapter ob
Page 37 and 38: 4.1.1 Channel body 1 (Northern chan
Page 39 and 40: Figure 4.2: Photos and illustration
Page 41 and 42: 4.1.2 Channel body 2 (Binnedalen)Ch
Page 43 and 44: Figure 4.4: This figure illustrates
Page 45 and 46: (1) DiscussionFacies occurring in t
Page 51 and 52: 4.1.4 Channel Body 4 (Johan Hjortfj
Page 53 and 54: Figure 4.10: Photos and illustratio
Page 55 and 56: The log shows that the channel body
Page 57 and 58: 4.2.1 Channel body 5 (SW of Nørste
Page 59 and 60: (1) DiscussionOne of the interestin
Page 61 and 62: Another explanation of the apparent
Page 63 and 64: Figure 4.14: This figure illustrate
Page 65 and 66: 4.2.4 Channel body 9 (Blåfjellet,
Page 67 and 68: Figure 4.16: Illustrates Channel bo
Page 69 and 70: The outcrop orientations and/or a n
Page 71 and 72: Unfortunately the stratigraphic int
Page 73 and 74:
Figure 4.22: An illustration of the
Page 75 and 76:
2006). Flaser bedding is characteri
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elow the stratigraphical level of C
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indications on the logs from the st
Page 81 and 82:
Figure 4.27: This figure illustrate
Page 83 and 84:
Figure 4.28: This Figure illustrate
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is perhaps the best indication of a
Page 87 and 88:
4.31: This figure illustrates the w
Page 89 and 90:
Figure 4.32:Interpretation offault
Page 91 and 92:
4.3.1 Channel body 15 (NW of Braast
Page 93 and 94:
4.3.2 Channel body 16 (Blåfjellet
Page 95 and 96:
4.3.3 Channel body 17 (Djupskaret)C
Page 98 and 99:
Figure 4.36: This figureillustrates
Page 101 and 102:
5. Discussion5.1 Map relevant featu
Page 103 and 104:
Geerdalen Formation of no more than
Page 105 and 106:
ase of Hopen member. Going further
Page 107 and 108:
6. Conclusions18 channel bodies are
Page 109 and 110:
ReferencesAinsworth, R. B., Vakarel
Page 111:
Knarud, R. 1980. En sedimentologisk
Page 114 and 115:
AppendixAppendix 1: The measured se
Page 116 and 117:
108
Page 118 and 119:
Appendix 2: Legend of the measured
Page 120 and 121:
Appendix 4: Illustrations of the Ph
Page 122:
Figure 6: Illustration of the Photo
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