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A lava cave is any cave formed in volcanic rock, though it typically means caves formed by volcanic processes, which are more properly termed volcanic caves. Sea caves , and other sorts of erosional and crevice caves, may be formed in volcanic rocks, but through non-volcanic processes and usually long after the volcanic rock was emplaced.
Geologists believe the cave was formed sometime between 650,000 and 700,000 years ago when molten lava erupted from a volcanic vent in nearby Hart Prairie. [1] The top, sides and bottom of the flow cooled and solidified, while lava in the middle flowed out, leaving a hollow space to form the cave.
The cave is south of Bend just off Highway 97. The Lava River Cave is located 12 miles (19 km) south of Bend on the east side of Highway 97.It is part of the Newberry National Volcanic Monument, which is managed by the Forest Service as part of the Deschutes National Forest.
Bandera Volcano Ice Cave, also known as Zuni Ice Cave, is a lava tube cave in New Mexico with an internal temperature significantly less than above-ground summertime ambient temperature; it contains perennial ice. [1] The inside temperatures can fluctuate between −1 and 10 °C (31 and 50 °F). Some areas of the ice cave never reach above ...
The cave is home to stalagmites, stalactites, helictites, flowstone, cave pearls, botryoidal coral, gypsum flowers, needles, and pure white gypsum snow, as well as a variety of cave life. [9] Areas of interest within the cave include: The "Volcano Room," where many of the cave's commercial events are hosted.
Black Chasm Cavern is home to amphipods, which live in the lakes of the cave.The amphipods are adapted to life without light, having no pigmentation or eyesight. Also living within the cave, and adapted to total darkness, is the Banksula grubbsi arachnid.
Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. [note 1] [2] [3] The cave is located on the island of Hawaiʻi on the eastern slope of Kīlauea. Kīlauea is the most recently active volcano on the Big Island.
Grotta del Gelo ("Cave of Frost") is a volcanic cave of Mount Etna which is known for the presence of a large amount of ice. The cave formed in 1614–1624 during a large eruption of the volcano, inside one of the lava flows produced during that eruption. Within the two subsequent decades, ice grew and accumulated in the cave.