Limestone – Formation, Composition, Types and Uses

limestone-crinoid

Limestone – Formation, Composition, Types and Uses Limestone, or calcium carbonate, is the common rock found throughout the world. Oldest and perhaps slightly overlooked, limestone is very much part of our everyday life. It may be hidden with your walls, in the water you drink, the food you consume, or in the cosmetics. First discovered … Read more

Sedimentary Rocks: Formation, Types and Examples

sedimentary-rock-pescadero-point

What are Sedimentary Rocks? Sedimentary rocks are the most common rock types which are freely exposed on the earth’s surface. They are formed from other rock materials since they are made up from the buildup of weathered and eroded pre-existing rocks. The weathering, erosion and the eventual compaction of igneous, metamorphic or formerly structured sedimentary … Read more