Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

This 1930s educational film explores the natural landscapes, geological formations, and agricultural practices of the time. It features scenes of farmers tilling soil, majestic mountain roads, ...

Make your own sedimentary rock with crayons, a plastic cup, and your own strength! Señora Rozo shares what the 3 types of rocks are that we can find on our planet as well as how you can make one of ...

Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their formation. This makes them extremely important in climate research. This led ...

Scientists studying microbial communities and the growth of sedimentary rock at Mammoth Hot Springs in Yellowstone National Park have made a surprising discovery about the geological record of life ...

Location of the sedimentary rocks – known as cherts – that were investigated: Shatsky Rise in the northern West Pacific is the world's third-largest oceanic plateau, covering an area larger than ...

Stylolites — irregular seams that occur in limestone — have been found to affect how acoustic waves move through rock samples. Laboratory-based insights from KAUST researchers offer an improved ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...