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By cool magma meets with water.

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What rock is formed when limestone is metamorphosed?

Marble is formed when limestone is metamorphosed. This process occurs when the mineral calcite in limestone recrystallizes due to heat and pressure, resulting in a denser, harder rock with a crystalline structure.


When was stone mountain formed?

Stone Mountain in Georgia was formed over 300 million years ago during the formation of the Blue Ridge Mountains. The granite monadnock that makes up Stone Mountain is one of the oldest geological features in the world.


What Hawaiian islands formed first?

The oldest Hawaiian islands are Kauai and Niihau, which are believed to have formed around 5 million years ago. These islands are located in the northwest part of the Hawaiian island chain and are considered the oldest because they were the first to emerge from the volcanic activity that formed the islands.


What was the Hawaiin island formed out of?

The Hawaiian Islands were formed by volcanic activity millions of years ago. The islands formed as a result of magma rising up from the Earth's mantle through a hotspot beneath the Pacific tectonic plate. Over time, repeated volcanic eruptions built up the islands we see today.


How is a stack stump or caves formed?

A stack is formed when the roof of a sea cave collapses, leaving a pillar of rock separate from the mainland. Stumps are the remnants of a stack that has eroded further causing it to collapse. Caves are formed by the erosion of coastal rock by the action of waves, often in softer rock types that are easily worn away.