Field Geology: Spit System

While on vacation and coming by the far ends of Denmark, we unexpectedly found ourselves at an extensive split system, with sediments being transported from the south, forming a barrier island across the bay at the west end of the island Lolland. Note how little distance there is between very different depositional facies.

Bornholm analogue modified after Surlyk & Noe-Nygaard (1988).From Geologiske Naturperler, Lindow & Krüger (eds.) Gyldendal 2011.

Bornholm analogue modified after Surlyk & Noe-Nygaard (1988).

From Geologiske Naturperler, Lindow & Krüger (eds.) Gyldendal 2011.

The drone was launched, and you can see the result here in this video:

An analogue for the Jurassic Robbedale Fm and Jydegaard Fm can be found on the island of Bornholm, where a model for the depositional system was created by Finn Surlyk and Nanna Noe-Nygaard in 1988. This has been beautifully re-drafted for the book ‘Geologiske Naturperler’. We have taken the freedom to ‘mirror it’ and modify it slightly in order to tell the story better.

This beautiful figure is from the book Geologiske Naturperler, edited by Lindow & Krüger and published by Gyldendal in 2011.

This beautiful figure is from the book Geologiske Naturperler, edited by Lindow & Krüger and published by Gyldendal in 2011.