Mines and caves are different things.
Mines are often in or below weak strata and have been excavated relatively quickly, intensifying the stress on the overlying rocks.
Caves, which are natural by definition, tend to be in more competent formations, but they can collapse due to erosion. Movements on faults crossing a cave can also produce collapses in the breccia around the fault.
Much of a cave formed on a fault is filled with angular boulders as the surrounding limestone was heavily fractured by the folding and faulting. As the cave developed in the usual way - dissolution of the limestone by water - these blocks simply lost lateral support and fell from the cracked walls.
Mine caves collapse due to various factors, such as improper support systems, geological instability, excessive mining activity, or natural disasters like earthquakes. Poor ventilation, erosion of supporting structures, and outdated infrastructure can also contribute to mine collapses. The safety and stability of mines require careful monitoring and adherence to regulations to prevent such incidents.
In the year 2000, miners were working in the Naica silver mine and broke through the walls of the cavern. They were astounded to discover these enormous crystals; the biggest anywhere on Earth.
The main types of caves are solution caves, lava caves, sea caves, glacier caves, and talus caves. Solution caves form from the dissolution of soluble rocks like limestone; lava caves are created by flowing lava; sea caves are carved by the action of waves on coastal cliffs; glacier caves form within glaciers due to melting and refreezing processes; and talus caves are formed by fallen rocks creating cave-like structures.
Yes, there are various types of caves, including limestone caves, lava tubes, sea caves, ice caves, and solution caves. Each type of cave is formed through different geological processes and conditions, resulting in unique characteristics and features.
Crystal Caves was created on 1991-10-23.
There are a total of 30 rock-cut caves at the Ajanta Caves site in Maharashtra, India. These caves are renowned for their ancient Buddhist cave temples and exquisite wall paintings.
It is a gold/copper mine that collapsed in Chile.
The mine that collapsed in Chile in August 2010 was called the San Jose mine.
copiapo
There were 33 miners in the mine
Copper
Copper
in a mine or caves
Climb the rope after the ceiling of the mine caves in.
in a mine or caves
There will be more caves, holes and tunnels.
mine shafts.
the underground one collapsed, so you cant get in.