These geological maps were developed as part of my Master’s thesis at the University of Iowa, Department of Earth and Environmental Sciences.
Title:
"Provenance of the Carboniferous Basin in Holm Land: Implications for the Visean to Moscovian Tectonic History of the Northeast Greenland Caledonides."
This was done under the guidance of Dr. Jane A. Gilotti and Dr. William C. McClelland, this work involved in-depth geological interpretation and spatial visualization of a tectonically complex region in Holm Land, Northeast Greenland.
The maps were created using Adobe Illustrator and Photoshop, and were adapted from existing geological base maps, then refined and modified to reflect the specific needs and outcomes of the research project. They visually represent key lithological units, structural features, and tectonic boundaries relevant to the study’s interpretation of Carboniferous basin evolution and Caledonian orogenic processes. The mapping process combined cartographic design principles with geological expertise to support scientific communication and analysis in a remote, data-scarce region.
Reconstructed Upper Paleozoic tectonic framework of northern Pangaeanshelf (Modified from Stemmerik, 2000; Higgins and Leslie, 2008). Positions of different depositional centers (half grabens) and structural highs (platforms) between East Greenland and West Norway are highlighted. Depositional extent of Carboniferous Wandel Sea Basin (WSB) of North-East Greenland and East Greenland non-marine sedimentary basins, represented by the Traill Ø Formation, are also shown.
Generalized geologic map of N-E Greenland Caledonides and adjacent shelf region (Modified from Henriksen, N. 2003; Hamann et al. 2005; Higgins and Leslie, 2008. Major geological divisions and position of Wandel Sea Basin can be clearly seen. Transition between the undeformed foreland and different Caledonian thrust sheets is located in KronprinsChristian Land
Box shows the geographical position of Holm Land. The Nørrelandthrust sheet is the structurally highest nappe containing North-East Greenland eclogite province, which is unconformably overlain by Post-Caledonian Wandel Sea Basin.
Geologic map of the East Greenland CaledonidesSouth of 76° N with major geological divisions discussed in text. Modified from the 1:1,000,000 geologic map (Henriksen and Higgins, 2008; Gilotti and McClelland, 2008). Positions of foreland windows, major thrust sheets, Neoproterozoic to Ordovician sedimentary sequences and exposures of the Devonian and Carboniferous sedimentary sequences are shown.
Geologic map of Holm Land (modified from Jepsen, 2000). Carboniferous SortebakkerFormation unconformably overlies Precambrian basement and is unconformably overlain by Kap JungersenFormation. The East Greenland Fault Zone (EGFZ) is poorly exposed.
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