Abstract
Source at https://dx.doi.org/10.17850/njg006. © Copyright the authors. This work is licensed under a Creative Commons Attribution 4.0 International License.
Highlights
The Lower Cretaceous succession in Svalbard (Fig. 1) consists of the Rurikfjellet, the Helvetiafjellet and the Carolinefjellet formations (e.g., Dypvik et al, 1991a; Gjelberg & Steel, 1995; Fig. 2)
There have been few attempts to link outcrop and subsurface observations of the Lower Cretaceous succession in Svalbard (e.g., Grundvåg et al, 2017), despite its relevance for understanding Lower Cretaceous play models and related petroleum system elements on the northern Barents Shelf
This contribution reports on the sedimentology and biostratigraphy of the Lower Cretaceous succession in Nordenskiöld Land, central Spitsbergen, by combining well and outcrop data
Summary
The Lower Cretaceous succession in Svalbard (Fig. 1) consists of the Rurikfjellet (open marine), the Helvetiafjellet (paralic) and the Carolinefjellet (open marine) formations (e.g., Dypvik et al, 1991a; Gjelberg & Steel, 1995; Fig. 2). There have been few attempts to link outcrop and subsurface observations of the Lower Cretaceous succession in Svalbard (e.g., Grundvåg et al, 2017), despite its relevance for understanding Lower Cretaceous play models and related petroleum system elements on the northern Barents Shelf (e.g., the presence of inferred sandstone-dominated Barremian to Aptian delta-scale clinoforms and the distribution of oil-prone source rocks demonstrated in the Fingerdjupet Subbasin by well 7321/9-1S) This contribution reports on the sedimentology and biostratigraphy of the Lower Cretaceous succession in Nordenskiöld Land, central Spitsbergen, by combining well and outcrop data. The formation represents deposition in open marine shelf environments (Nagy, 1970; Maher et al, 2004; Mutrux et al, 2008), and is truncated by the Paleocene (Danian) unconformity (Fig. 2; Nagy, 1970)
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