Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the weathered remains of other rocks (known ...

Alternatively, sedimentary rocks take shape when the tiny ... Over time, as more of these sediments accumulate in the area, they’re compressed so tightly that they turn into a solid stone. While the ...

Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such as lakes or ocean basins) have the best chance of being preserved. This is because they ...

Sedimentology explores the origin, transport, deposition and diagenetic alterations of the materials that compose sediments and sedimentary rocks. Stratigraphy investigates how those types of rocks ...

WHEN the first edition of this sound and very readable work appeared some eleven years ago, an appendix (76 pages, by Mr. T. Crook) dealing with the systematic examination of loose sediments was ...