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Fossiliferous Limestone Sedimentary Rock - 2 Pieces

Fossiliferous Limestone, 2 Pieces by American Educational Products A sedimentary rock that is largely composed of the minerals calcite and aragonite, it also contains the skeletal fragments of marine

Metamorphic Rocks (Hardcover)

Learn about types of metamorphic rocks, how they form, wherethey are found, and how we use them every day.Additional features to aid comprehension include fact-filled captions and sidebars, detailed p

Progressive formation of an asymmetric fold evolving into a thrust with related ramp anticline. #ScienzeGeologichePage

Sandstone is a clastic sedimentary rock made up mainly of sand-size (1/16 to 2 millimeter diameter) weathering debris. Environments where large amounts of sand can accumulate include beaches, deserts, flood plains and deltas. The specimen shown above is about two inches (five centimeters) across.

Classification diagram for igneous rocks. Igneous rocks are classified according to the relative abundances of different minerals. A given rock is represented by a vertical line in the diagram. In the ultramafic field, the arrows represent a rock containing 40% olivine and 60% pyroxene. The name an igneous rock gets depends not only on composition, but on whether it is intrusive or extrusive