Caliche is
A) fragmented quartz crystals that tumble down a cliff.
B) limestone crystals that form by precipitation.
C) calcite cement in desert rocks.
D) silica cement in ancient river-bed rocks.

Question

Quizplus · Accepted Answer

Caliche is a type of sedimentary rock that forms in arid environments where there is a high rate of evaporation. It is composed of calcium carbonate (calcite) cemented together by minerals that have been dissolved and recrystallized. This calcite cement is formed by the precipitation of calcium carbonate from groundwater as it evaporates. Therefore, Choice C is the best answer.

Caliche Is