Cave research in Kjøpsvik

18 October 2022

Cave research project: This autumn, the researchers in the project EvoCave have been doing fieldwork in Kjøpsvik. The project is led by the Department of Biosciences, the University of Oslo, and the University Museum of Bergen. The excavations were started in the caves in Kjøpsvik in 2021, and the project has now continued the fieldwork this September.

Two of the caves in question are the Arne Qvam Cave and Nygrotta. The former has recently been named after Arne Qvam, former leader of Norcem in Kjøpsvik. Qvam understood that the sediments in the cave could have value and built a wall 50 cm thick to protect the contents of the cave.

Bilde av profil og delvis utgravd område i grotte. Grotteforskning. Cave research.
Photo: Trond Lødøen

Do they find anything? The sediments have been deposited in the caves in different layers. Some of these provide little or no findings, while some provide exciting findings. The research team have discovered finds that are between 70,000 to 120,000 years old!

The sediments that have been dug out systematically in the caves are placed in buckets marked with which sediment layer and quadrant in the grid of the field it comes from, and are then washed through in the seeding station. There are two frames with visibility on top of each other, with 4mm and 2mm holes, and you flush through the sediments and pick out any finds.

The smaller sediments that fall through the first sieve, but are captured by the sieve below, are transferred into bags that are also marked with where it came from in the cave. These are later dried and then reviewed under a magnifying glass. Often, small fragments of bones and shells can be detected under the magnifying glass, which are difficult to see with the naked eye in the sieving station.

 Bilde av kvinne med grottehjelm
Administrative Associate Dissemination Kjersti Robertsen. Photo: Museum Nord

Our newly hired Administrative Associate Dissemination at Museum Ofoten, Kjersti Robertsen, has been with the research group in Kjøpsvik and gained insight into how they work with cave research in the EvoCave project. Kjersti has tried out working both at the sieving station and going through the sediments with tweezers under a magnifying glass in search of tiny fragments of bones and shell.

 Bilde gjennom lupe av plukking av små fragmenter bein og skjell fra sedimenter
Photo: Museum Nord

We look forward to following the project further!

Read more about cave research on EvoCave’s own blog here

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