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.
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
*samples may change from time to time