In the sedimentary debris generated by the breakdown of preexisting rocks, the most common grains are

Question

Quizplus · Accepted Answer

Sand and clay particles are the most common grains in sedimentary debris generated by the breakdown of preexisting rocks. While sea shells may also be present in certain settings, they are not as ubiquitous as sand and clay particles. Salts precipitated from seawater and clay minerals derived from feldspars may be present, but would likely be less common than sand and clay particles.

In the Sedimentary Debris Generated by the Breakdown of Preexisting