These are sedimentary rock layers chronicling Earth's geological history. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...

The diagram shows how metamorphic rocks ... Roof tiles Slate is formed from shale (a sedimentary rock). There are layers in slate making it useful for making roof tiles because it can be split ...

Whether sedimentary rocks store fossil ... These pores are the decisive factor for the rock's ability to reside oil and ...