Geological Formation Processes: A Visual Guide

As eroded materials are carried by water, they begin to settle in bodies of water like oceans and lakes.Over millions of years, the weight of overlying sediments creates immense pressure on the lower layers.As organisms die and are buried in these sediments, their remains can become fossils preserved within the layers.Through a process called lithification, these compacted sediments transform into solid sedimentary rock.The final result is layered sedimentary rock, with distinct strata marking different periods of deposition.Deep within the Earth, rocks undergo dramatic transformations due to intense heat and pressure.For example, shale, a sedimentary rock, transforms into slate under these extreme conditions.When rocks are subjected to even more extreme temperatures, they can melt completely, forming magma.This molten rock can cool slowly underground to form granite, or quickly at the surface to form basalt.These processes are all part of the rock cycle, where rocks are continuously transformed from one type to another.The rock cycle shows us how Earth's materials are constantly recycled and transformed, creating new rocks from old ones in an endless process.Thanks for learning about metamorphic and igneous processes with Spark.E!