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A conspicuous hill with steep sides and a flat top.
The top is usually a cap-rock of resistant material.
In addition to being used as a gem, garnet is used as an abrasive, filter medium, sand-blasting granule and waterjet cutting granule.
It includes the study of organisms that have inhabited our planet.Lavas with a relatively low viscosity can form a "ropy" surface.The term is also used for the rock materials after the flow has cooled.Normal faults are the typical structural style of divergent plate boundaries and portions of the crust under extensional stress such as the East Africa Rift.A Hawaiian term for a lava flow that has a surface flow structure that looks like coiled rope or cord.
A geology dictionary that is used regularly is one of the most important tools for developing professional competence.