originally posted by: ignorant_ape
a reply to: JohnnyAnonymous
to be blunt - it makes zero logical sense to me
No need for the full lengthy quote, and I will say you do have some amazing Google skills, yes indeed!
But let me do a small backup clarification here.
When I said: " I sort of subscribe to that train of thought, it makes logical sense to me too. " I have to admit that I was thinking more Cave systems
than the geothermal aspect, and thats my fault for being sleepy/tired when I posted that. The temperature in caves tends to stay the same year-round,
because they're underground and not affected by surface weather patterns (for the most part). Many cave's rarely get below 45 degrees and some like in
Texas can run near 70 degrees.
And then you have the Mexican Cave where they found those beautiful and enormous Crystal formations. Cueva de los Cristales is a cave connected to
the Naica Mine at a depth of 300 metres (980 ft), in Naica, Chihuahua, Mexico has air temperatures reaching up to 58 °C (136 °F)
There are a number of Worldwide anecdotal witness reports, bit's of history and fantastic tales that state that man and animals of all kinds used
Caves. So I'm not against the idea. I've even had my own unknown creature experience in a long and deep Mine that helps me sit on the theory of
possible cave dwelling (I'm a 3rd generation hardrock miner).
Just for fun and giggles.. Lets see if my Google skills can emulate yours.. lol
Here in the US we have Mammoth Cave that stretches for about 651.8 kilometers.
Including connected dry caves makes Sistema Sac Actun with 347.7 kilometers (216.1 mi) the longest cave in Mexico and the second longest worldwide.
Back to the US, Number 3 on the list is the 180-mile long Jewel Cave located in Custer in South Dakota, US.
There are many more worth mentioning, all over 100 miles long. They are located all over the world and include Sistema Ox Bel Ha in Tulum, Quintana
Roo, Mexico at 159.75 miles long, Optymistychna Cave in Korolivka, Ukraine (146.64 miles), Wind Cave in Hot Springs, South Dakota, US (142.72 miles),
Lechuguilla Cave in Carlsbad, New Mexico, US (138.31 miles), Clearwater Cave in Miri, Sarawak, Malaysia (133.78 miles), Fisher Ridge Cave System in
Brownsville, Kentucky, US (124.58 miles), and Hölloch in Muotathal, Switzerland (124.52 miles).
There are 8 principle types of caves and they each have distinct formation processes. The first type is the solutional cave, which is formed by
naturally acidic groundwater slowly eating away at rock, these cracks gradually expand over time. The second type of cave is the primary cave which is
created by lava flows. Sea caves are located on coastlines all over the world and have been formed by waves cutting into the sea cliffs. The next
common cave type is the erosional cave which, as the name suggests, are formed by erosion of either wind or water. Glacier caves have formed by
melting and slow moving ice. Fracture caves are formed when layers of soluble rock dissolve between layers of less soluble rock. Talus caves are less
akin to traditional caves, and are a kind of caves within unstable rock piles that are typically found at the bottom of cliffs. Finally, anchialine
caves are found on coastlines and contain a mix of salt and freshwater.
Again (redux) do I think that cave systems were or could be used by animal and man, "I sort of subscribe to that train of thought, it makes logical
sense to me too."