process of soil preparation for making pots
Answers
Explanation:
Pottery is the process of forming vessels and other objects with clay and other ceramic materials, which are fired to give them a hard, durable form. Major types include earthenware, stoneware and porcelain. The place where such wares are made by a potter is also called a pottery (plural "potteries"). The definition of pottery used by the American Society for Testing and Materials (ASTM), is "all fired ceramic wares that contain clay when formed, except technical, structural, and refractory products." In archaeology, especially of ancient and prehistoric periods, "pottery" often means vessels only, and figures etc. of the same material are called "terracottas". Clay as a part of the materials used is required by some definitions of pottery, but this is dubious.
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How did primitive potters harvest clay? People have been making pottery for millennia, and convenient hobby shops have only been a thing for a few decades at best. Before that, people harvested their own clay right from the soil.
Clay is present just about everywhere, and even soils described as “sandy loam” can contain as much as 20% clay. To the naked eye it may look like sandy soil, but with a 20% clay content, every 10 pounds of soil is hiding 2 pounds of clay ready for harvest. With a little effort, you can harvest your own clay for craft projects or even something as advanced as a backyard bread oven.
Processing Soil into Clay for Pottery
Though most soil has some clay content, the yield will obviously be higher if you find high clay soils. Look for areas where the water tends to sit after a heavy rain.
Our soils are very shallow, and there’s usually somewhere between 8 and 18 inches of topsoil before a layer of dense clay. We’ve been working to slow the water runoff from our land, and the clay harvest happens more or less by accident while in the process of digging small slowing ponds.