sedimentary petrology
Quick Summary
Sedimentary petrology is a branch of geology focused on the study of sedimentary rocks. It involves describing and classifying these rocks, understanding how the materials were transported and deposited, and analyzing the environments in which they formed. This field also examines the post-depositional alterations, such as compaction and cementation, that transform sediments into rock.1
Sedimentary rocks are broadly categorized into terrigenous clastic rocks (like sandstone and mudrock), carbonates (limestone and dolomite), and noncarbonate chemical sedimentary rocks (such as chert and evaporites). Detrital minerals, like quartz and feldspar, survive weathering and are transported to the deposition site, while authigenic minerals form in place through geochemical processes. Sandstones, a significant type of siliciclastic rock, are important for understanding Earth's history, revealing information about source areas, transport agents, and depositional settings.234
Ask Britannica AI about this topic
Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.
