Why do sedimentary rocks have stripes?

Answer 1

Make a salad sandwich cut it in half and split it now look along the cut edge and you should see the same effect.

It's just a stack of different materials on top of each other seen from the side or leading edge of the stack.

Answer 2

The layers that you may see in certain sedimentary rocks are from different depositions of sediment. A tide could deposit a sediment layer, as could seasonal flooding or any number of other sources of sediment. A few years of heavy rains would likely leave dirtier and darker deposits. Any violent change in the area ( earthquakes, volcanoes, etc. ) might completely change the nature and color of the deposits on a short term or permanent basis. Biologics ( anything from bacteria to dinosaurs ) might have a period of unrestrained growth, affecting the type and shades of the layers. Analysis of the layers can provide a geologic history and source of the rock.

Answer 3

Sedimentary rocks are stratified because their mode of formation is by gradual deposition and continuous accumulation of earth's transported materials and detritus which leads to different sediments types been placed above one another resulting in various layers.

Answer 4

the earth is in different colors and levels

Answer 5

The source of the sediments may have fluctuated, or seasonal changes in sediments may have occurred.

Answer 6

because of the different sediment types that came in contact with it as it was forming

Answer 7

Because they have probably been through weathering and erosion.

Answer 8

because they are fat lol :)