Fossils
A fossil is the preserved remains, impression, or trace of a once-living organism from a past geologic age. Fossils may include body parts (bones, shells, leaves), chemical signatures, or traces (footprints, burrows).
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Minerals
A mineral is a naturally occurring, inorganic solid with a definite chemical composition and an ordered atomic structure (crystalline structure). Example: Quartz (SiO₂), Calcite (CaCO₃).
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Rocks
A rock is a naturally occurring solid aggregate of one or more minerals, mineraloids, or organic matter. Rocks are classified into three main types based on their origin: Igneous, Sedimentary, Metamorphic.
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