What characteristics of sediments would tell you that the sediments is texturally and compositionally mature or immature?

Answer 1

Texturally mature sediments are typically well-sorted, meaning they have a uniform grain size, and often exhibit rounded grains due to extensive weathering and transport. Compositionally mature sediments contain stable minerals, like quartz, and lack unstable minerals such as feldspar or mica. In contrast, immature sediments tend to be poorly sorted with a mix of grain sizes and angular shapes, and they often include a variety of minerals, indicating limited transport and weathering.