flow structure
geology
Quick Summary
Flow structures are oriented features developed in rock during its flow. These structures can be planar or linear and result from the movement of magma, with or without embedded crystals. They often appear as faint to sharp layers reflecting differences in composition or texture, which can be emphasized by the arrangement or concentration of crystals, inclusions, or vesicles. These features are typically observed in igneous rocks and provide insights into the physical conditions present when the rock was formed.12
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