Geological Specimens "Rocks in A Bag" Sedimentary Pk/6

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