Korallgrottan
Encyclopedia
Korallgrottan is a marble
cave at the northernmost tip of Jämtland
, near Ankarvattnet
, Sweden
. It was discovered in 1985. So far, six kilometres of it have been explored, making it Sweden's longest cave. Members of the public are not allowed to visit Korallgrottan without a guide.
Marble
Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite.Geologists use the term "marble" to refer to metamorphosed limestone; however stonemasons use the term more broadly to encompass unmetamorphosed limestone.Marble is commonly used for...
cave at the northernmost tip of Jämtland
Jämtland
Jämtland or Jamtland is a historical province or landskap in the center of Sweden in northern Europe. It borders to Härjedalen and Medelpad in the south, Ångermanland in the east, Lapland in the north and Trøndelag and Norway in the west...
, near Ankarvattnet
Ankarvattnet
Ankarvattnet is a lake in the municipality of Strömsund in Jämtland county, Sweden....
, Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
. It was discovered in 1985. So far, six kilometres of it have been explored, making it Sweden's longest cave. Members of the public are not allowed to visit Korallgrottan without a guide.