We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!
Apr 02 2020 · The large stone metate had a bowllike hollow that held food The mano was held and used to grind the food against the hard surface of the metate The resulting grounds had a mealy texture Some Native American tribes would use a large communal rock for grinding and the women of the tribe would gather to socialize while workingGet Price
Get the best deals on indian grinding stone when you shop the largest online selection at Free shipping on many Indian Artifact MortarManoGrinding BowlStone JZ0690 13995 1800 shipping ANTIQUE RARE CATAWBA NATIVE AMERICAN INDIAN GRINDING ROCK STONE CATAWBA RIVER 19995 1295 shipping or Best Offer ResultsGet Price
Various types of igneous rock were used by the Native Americans and Pumice is one such rock that was ground down and used in the clay to mix pottery Pumice is a type of volcanic glass White Pumice is a particular type of the stone that can be found commonly used inGet Price
Catlinite is a relatively soft reddish metamorphic rock found in southwestern Minnesota that is wellknown for use in calumet and discbowl pipes by Plains tribes With the development of horticulture came the need for tools to process grain and large flat blocks of quartzite or granite were pecked and ground into dishshaped grinding stones called metates to grind corn or other seeds into mealGet Price
Grinding and Pounding Stones These stones are mostly used for gringing purposes Much of the material that was being ground also required some pounding action The majority of these tools show this dual use and have surfaces for grinding and surfaces edges and corners that were used for poundingGet Price
Long round rocks were then used to roll the grain mixture into flattened dough which could be easily cooked over a fire Rocks like obsidian or chert composed of quartz could be also fashioned into weapons Arrowheads were traditionally made from rocks like obsidian which could be sharpened enough to pierce the skin of an enemy or preyGet Price
Sep 29 2017 · Pecking and grinding of hard granite provided longlasting tools and stone implements In 2011 stone artifacts from 15500 years ago were discovered in an archaeological dig near Austin Texas the oldest credible archaeological site in North America according to archaeologist Michael R Waters of Texas AM UniversityGet Price
Apr 12 2017 · Paleolithic comes from the Greek words paleo meaning old and lithic meaning stone This type of settlement site dates back about 10000 years The large tools were crafted to kill and process large game abundant in the area at the time such as mammoths As large game became scarce Indians began hunting and killing mediumsize gameGet Price
A Metate Stone Mealing Stone used to grind corn acorns grains etc a practical size to provide a work space but still not too large to haul around made of beautiful quartzite sandstone that sparkles in the sun the prettier the stone the more valuable a stone tool would have been to Native Americans owning this metate would have been the equivalent of having top name brand appliances in yourGet Price
AmericanIndian stone tools are cherished by collectors some for their potential monetary value while others love the evocative thrill of holding an object made and used in daily life hundreds or even thousands of years earlier Collectors must be mindful however toGet Price
Product Warranty: One Year
Feeding Granularity: 300-1050mm
Production Capacity: 80-1000TPH
Type: Vertical ring die pellet mill
Working: 22 hours continue working
Instruction:Under engineer's guidance
Applied Materials:River pebbles, rocks (limestone, granite, basalt, diabase, andesite, etc.), ore tailings, artificial sand stone chips.
Certification: CE, ISO, SS
Wearing Parts: Molds, roller
Motor Choice: Electric or Diesel
Liner:High chrome or ceramic
Rotation Speed:0.1–5 r/min
Application Field:Hydropower, building material, highway, city construction, metallurgy, coal mining and so on.etc.
Applied Materials:Granite, basalt, bank gravel, bauxite, cement clinker, quartz silicon carbide,limestone, river stone, etc.
Capacity:0.18-7 (m ³/min)
Suitable Materials:Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.
Major Equipment:Jaw crusher, ball mill, sprial classifier, flotation machine, concentrator machine and dryer machine
Briquette Ratio:Above 90%
Application Field: Mining, metallurgy, construction, highway, railroad, and water conservancy, etc.
Processing Ability:0.2–16 m³/min
Processed Materials: Non-ferrous metal minerals such as copper, lead, zinc, molybdenum, cobalt, tungsten, antimony etc.
Applications:The machine can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine, chemical material and recycle mine.
Production Capacity: 10-30TPH
Humidity of Raw Materias: 20±3(%)
Application Area:Slag industry, building material, metallurgy industry, ore processing industry, chemical industry, cement plant.
Application:It is widely used in refractory materials, powder plant, metallurgy, chemical industry, energy, transportation, heating and other industries.