Soil texture is defined as the relative ratios of particle diameter that comprise the soil.
Texture refers to the particle size. The average size of a soil particle is determined by the relative proportions of sand, silt, and clay in the soil. The average size of soilparticles geography increases as the quantity of sand in the soil increases, and the resulting soil gets coarser in texture. Conversely, increasing the quantity of clay in the soil reduces the average diameter of the soil particles, resulting in a finer-textured soil. Locate the percentages of clay and silt on the triangular textural diagram's silt and clay side lines, respectively. Then, in the first scenario, draw lines thru these points inwards, perpendicular to the clay side.
earth's crystal gets pushed down back towards the core of earth. and the further down you go the hotter it gets. So the crusts melts back down to magma. and eventually will come back up through lava in volcanoes