Study and analysis of the physical characteristics of the rocks in a forest district Erawan Just by observing the rock outcrop and stone from the color. The sediment grain size. Arrangement of gravel. Determine the type of stone.
Study and analysis of the physical characteristics of rocks in a forest. Erawan district, Loei province. By observing the rock outcrop and the style from the style, color, The sludge pellet sizes. Arrangement of gravel Specifies the type of stone.
study and analyze a physical appearance of the rock in the woods, one of three-headed city province, by observing the rocks and see the stone tablets from the colors, to steer a sedimentary rock, specify the type of stone.