The Sedimentary Rock Bag is an economy collection of 6 commonly known sedimentary rocks. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation. Each generous specimen is1 1/4" to 1 1/2" and is contained in an zip lock bag with a label. SEDIMENTARY ROCKS SHALE – GRAY, FINE GRAINED, LAYERED SANDSTONE – FINE TO COARSE SANDY TEXTURE LIMESTONE – FINE GRAINED, GRAY/PINK COLOURED CONGLOMERATE – GRAVEL SIZED PEBBLES EVIDENT BRECCIA – COMPOSES BROKEN FRAGMENTS OF ROCKS CEMENTED TOGETHER COAL - BROWNISH-BLACK *USED AS FUEL
Brand : American Educational Products