About: Pluto's Cave

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Pluto's Cave (or Pluto Cave) is a partially collapsed lava tube on the northern outskirts of Mount Shasta in the Klamath National Forest. Its main entrance is located close to the 99-97 Cutoff c. 12 miles (19 km) North-east of Weed and c. 14 miles (23 km) East-southeast of Grenada. The tube is roughly 190,000 years old, which is quite old for a lava tube, as they normally collapse quickly (in geological terms), having ceilings only a few metres thick. However, Pluto's Cave is located in a semi-arid climate, where erosion is restricted, which contributes to its survival.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place natural place Cave cave yago:WikicatCavesOfCalifornia yago:WikicatLavaTubes geo:SpatialThing yago:Artifact100021939 yago:Cave109238926 yago:Conduit103089014 yago:GeologicalFormation109287968 yago:Object100002684 yago:Passage103895293 yago:PhysicalEntity100001930 yago:YagoGeoEntity yago:YagoPermanentlyLocatedEntity yago:Tube104493505 yago:Way104564698 yago:Whole100003553
rdfs:label	Pluto's Cave (en)
rdfs:comment	Pluto's Cave (or Pluto Cave) is a partially collapsed lava tube on the northern outskirts of Mount Shasta in the Klamath National Forest. Its main entrance is located close to the 99-97 Cutoff c. 12 miles (19 km) North-east of Weed and c. 14 miles (23 km) East-southeast of Grenada. The tube is roughly 190,000 years old, which is quite old for a lava tube, as they normally collapse quickly (in geological terms), having ceilings only a few metres thick. However, Pluto's Cave is located in a semi-arid climate, where erosion is restricted, which contributes to its survival. (en)
foaf:name	Pluto's Cave (en)
name	Pluto's Cave (en)
geo:lat	41.568012 (xsd:float)
geo:long	-122.282631 (xsd:float)
foaf:depiction
location	Siskiyou County, California Klamath National Forest
dcterms:subject	Lava tubes Klamath National Forest Landforms of Siskiyou County, California Caves of California Mount Shasta
Wikipage page ID	22964875 (xsd:integer)
Wikipage revision ID	1035261109 (xsd:integer)
Link from a Wikipage to another Wikipage	Lava tubes Klamath National Forest Landforms of Siskiyou County, California John Muir Erosion Geological Exploration of the Fortieth Parallel Clarence King Mount Shasta California Geological Survey Siskiyou County, California Pluto (mythology) Weed, California William Henry Brewer Lava tube 99-97 Cutoff Grenada, California Hummock Chamois Lava flow Caves of California Mount Shasta Klamath National Forest Semi-arid climate Pre-Columbian
Link from a Wikipage to an external page	http://gr8lvng.com/pluto.htm http://northbankfred.com/pluto.html https://mrdata.usgs.gov/geology/state/sgmc-unit.php%3Funit=CAQHv1%3B0 http://www.showcaves.com/english/usa/caves/Pluto.html
sameAs	Pluto's Cave Pluto's Cave Pluto's Cave Pluto's Cave Pluto's Cave
dbp:wikiPageUsesTemplate	dbt:Circa dbt:Convert dbt:Coord dbt:Quote dbt:R dbt:Reflist dbt:Use_mdy_dates dbt:Infobox_cave
thumbnail	wiki-commons:Special:FilePath/Plutos_cave_altar_hole.jpeg?width=300
author	John Muir (en) Clarence King (en) William Henry Brewer (en)
location	Klamath National Forest; Siskiyou County, California, United States (en)
map caption	Location of cave in California (en)
photo	Plutos cave altar hole.jpeg (en)
photo caption	Entrance to the cave (en)
relief	1 (xsd:integer)
source	Mountaineering in the Sierra Nevada (en) Up and Down California in 1860–1864 (en) Picturesque California and the Region West of the Rocky Mountains, from Alaska to Mexico (en)
text	0001-10-10 (xsd:gMonthDay) Regaining the low ground at the base of the mountain and holding on in your grand orbit, you pass through a belt of juniper woods, called "The Cedars," to Sheep Rock at the foot of the Shasta Pass. Here you strike the old emigrant road, which leads over the low divide to the eastern slopes of the mountain. In a north-northwesterly direction from the foot of the pass you may chance to find Pluto's Cave, already mentioned; but it is not easily found, since its several mouths are on a level with the general surface of the ground, and have been made simply by the falling-in of portions of the roof. Far the most beautiful and richly furnished of the mountain caves of California occur in a thick belt of metamorphic limestone that is pretty generally developed along the western flank of the Sierra from the McCloud River to the Kaweah, a distance of nearly four hundred miles. These volcanic caves are not wanting in interest, and it is well to light a pitch pine torch and take a walk in these dark ways of the underworld whenever opportunity offers, if for no other reason to see with new appreciation on returning to the sunshine the beauties that lie so thick about us. (en) In 1863, in company with Professor Brewer, I visited this very region, and we were then shown an interesting tubular cavern lying directly under the surface of a lava plain. Mr. Palmer and I revisited the spot, and, having tied our mules, descended through a circular hole to the cavern's mouth. An archway of black lava sixty feet wide by eighty high, with a floor of lava sand and rough boulders, led under the basalt in a northerly direction, preserving an incline not more than the gentle slope of the country. Our roof overhead could hardly have been more than twenty or thirty feet thick. We followed the cavern, which was a comparatively regular tube, for half or three quarters of a mile. Now and then the roof would open up in larger chambers, and the floor be cumbered with huge piles of lava, over which we scrambled, sometimes nearly reaching the ceiling. Fresh lava-froth and smooth blister-holes lined the sides. Innumerable bats and owls on silent wing floated by our candles, fanning an air singularly still and dense. After a cautious scramble over a long pile of immense basalt blocks, we came to the end of the cave, and sat down upon piles of debris. We then repeated an experiment, formerly made by Brewer and myself, of blowing out our candle to observe the intense darkness, then firing a pistol that we might hear its dull, muffled explosion. The formation of this cave, as explained in Professor Whitney's Geological Report, is this: A basalt stream, flowing down from Shasta, cooled and hardened upon the surface, while within the mass remained molten and fluid. From simple pressure the lava burst out at the lower end, and flowing forth left an empty tube. Wonderfully fresh and recent the whole confused rock-walls appeared, and we felt, as we walked and climbed back to the opening and to daylight, as if we had been allowed to travel back into the volcano age. (en)
title	7.0 (second) "Shasta Flanks" (en) "Shasta Rambles and Modoc Memories" (en)
georss:point	41.568012 -122.282632

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