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Tafoni Sandstone: Formation, Characteristics, Examples

Tafoni sandstone refers to ordinary sandstone sculpted by tafoni —networks of rounded hollows, pits, or cavernous cavities…

Massive Freshwater Reservoir Discovered Beneath the Atlantic Ocean

Scientists have confirmed the existence of a massive freshwater aquifer hidden beneath the Atlantic Ocean , stretching from …

Peridotite: Composition, Types & Uses

Peridotite is a dense, coarse-grained ultramafic igneous rock that forms deep within the Earth’s mantle. Dominated by the …

Woman Finds 2.3-Carat Diamond at Arkansas' Crater of Diamonds State Park

The third largest diamond of 2025, a 2.3-carat stone, was discovered by a New York woman at Arkansas’s Crater of Diamonds St…

Rocks That Contain Lithium

Lithium , often called the “ white gold ” of the energy transition, is a lightweight, silvery-white metal essential for the …