What are Marble Caves made of?
Formed by 6,000-plus years of waves washing up against calcium carbonate, the smooth, swirling blues of the cavern walls are a reflection of the lake’s azure waters, which change in intensity and hue, depending on water levels and time of year. Located far from any road, the caves are accessible only by boat.
What type of rock is the Marble Caves made of?
Metamorphic rocks are formed when sedimentary rocks get compacted with heat and pressure. The Marble Caves’ features are caverns, pillars and tunnels. The cave and it’s features are made of monoliths of marble, created about 6,000+ years ago. The cave is known for its colors and different features.
How old are the Marble Caves in Chile?
About the Marble Caves
Over 6,200 years, the huge marble deposits on the edge of the General Carrerra Lake have been worn away by the water, creating caves, tunnels, and huge columns of pure marble.
What makes the marble caves unique?
The uniqueness of the caves ranges from its formation to the spectacular beauty that it is today. The beauty that is found there has taken over 6,000 years. Furthermore, the caves glow a range of magical colors depending on the level of the water. The stones themselves do not glow.
Why are the marble caves blue?
Over time, harsh waves washed up against the marble repeatedly, slowly carving the walls into the waves’ likeness. Likewise, the walls reflect the color of the lake. … In the summer, as glaciers melt and water levels rise, the caves deepen in color to shades of cobalt and royal blue.
What is white marble?
Pure white marble is the result of metamorphism of a very pure (silicate-poor) limestone or dolomite protolith. … These various impurities have been mobilized and recrystallized by the intense pressure and heat of the metamorphism.