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Rock , rock1 / räk/ • n. 1. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underly… Iron Ores , Rocks
Rocks are composed of minerals, which are natural inorganic (nonliving) substances with specific chemical compositions and structures. A rock m… Igneous Rocks , Igneous rocks are formed by the cooling and hardening of molten magma. The word igneous comes from the Latin word igneus, meaning fire, and there are… Geode , Geode
Geodes are hollow rock masses that are lined with crystals that have grown toward the center of the cavity. Geodes are usually roughly spherica… Monocline , Monocline
Monoclines are folds consisting of two horizontal (or nearly so) limbs connected by a shorter inclined limb. They can be compared to anticl… Magma , Magma is molten rock within Earth that consists of liquids, gases, and particles of rocks and crystals. Magma has been observed in the form of hot la…
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