Examlex
The most commonly encountered measure of variability is _________.
Rock Types
The classification of rocks into three major groups: igneous, sedimentary, and metamorphic, based on their formation process.
Conglomerate
A coarse-grained sedimentary rock composed of rounded clasts cemented together.
Breccia
A sedimentary rock composed of broken fragments of minerals or rocks cemented together by a fine-grained matrix.
Sandstone
A sedimentary rock composed mainly of sand-sized minerals or rock grains, often used in construction due to its durability.
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