The word patina comes from the Italian patina (shallow layer of deposit on a surface), derived from the Latin patĭna (pan, shallow dish). It also refers to development as the result of weathering of a case-hardened layer, called cortex by geologists, within the surface of either a flint or chert nodule. In geology and geomorphology, the term patina is used to refer to discolored film or thin outer layer produced either on or within the surface of a rock or other material by either the development of a weathering rind within the surface of a rock, the formation of desert varnish on the surface of a rock, or combination of both. This has led stone tool analysts in recent times to generally prefer the term cortification as a better term to describe the process than patination. Īrchaeologists also use the term patina to refer to a corticated layer that develops over time that is due to a range of complex factors on flint tools and ancient stone monuments. Patina also refers to accumulated changes in surface texture and color that result from normal use of an object such as a coin or a piece of furniture over time. In common parlance, weathering rust on steel is often mistakenly referred to as patina. On metal, patina is a coating of various chemical compounds such as oxides, carbonates, sulfides, or sulfates formed on the surface during exposure to atmospheric elements ( oxygen, rain, acid rain, carbon dioxide, sulfur-bearing compounds). They may also be aesthetically appealing. Patinas can provide a protective covering to materials that would otherwise be damaged by corrosion or weathering. The patinas on leather goods are unique to the type of leather, frequency of use, and exposure. Patina ( / p ə ˈ t iː n ə/ or / ˈ p æ t ɪ n ə/) is a thin layer that variously forms on the surface of copper, brass, bronze and similar metals and metal alloys ( tarnish produced by oxidation or other chemical processes) or certain stones and wooden furniture (sheen produced by age, wear, and polishing), or any similar acquired change of a surface through age and exposure.Īdditionally, the term is used to describe the aging of high-quality leather. The external layer has been weathered by moisture and rain, leading to the oxidation of copper. Pre-colonial copper coin formerly used in the Copper Belt ( Democratic Republic of the Congo and Zambia). The church was destroyed during the bombing of Dresden in 1945 and then rebuilt from 1993 to 2005 with new material the stones with the black patina are the parts that survived the firebombing from the original 18th-century church. Copper roof on the Minneapolis City Hall, coated with patina The Dresden Frauenkirche. For the United States Navy ship, see USS Pattina (SP-675). Get in and go, and get 20 MPG while you’re at it.For the village in Estonia, see Pattina. Have all the looks and feel of a nostalgic truck with the modern conveniences of today’s truck in terms of ride, handling, and reliability. This truck was meant to be driven but also will win trophies at car show’s and is perfect for cruise ins. This truck sports and LS Swapped fuel injected 5.3 V8, 4L60E Automatic transmission, cold air intake, headers, dual flow-master exhaust, PSI conversion LS Wiring Harness, new body harness, new fuel system front to back, new aluminum radiator with electric fans turned on by factory computer, complete S10 chassis swap, drop spindles, drop springs, blocks in the rear, new front disc Brakes, new brake booster, shocks, new artillery wheels and coker wide white tires, new bed wood, new stainless strips, all new chrome bumpers and grill, new chrome mirrors, all new chrome emblems, all new tinted glass, chrome deluxe exterior trim, new headlights and taillights, interior is all brand new(seat cover, dolphin gauges, door panels,door seals, sound/heat deadener on the floor, headliner, carpet, paint, weatherstripping etc) Lokar floor shifter, Vintage Air Surefit AC and heat, Classic Radio with blue tooth and 4 speakers, the list go’s on an on. I think green accentuates the lines of these old AD trucks and we decided to make a bold statement and thus the name “Kermit”. So we decided to paint him and if we do a painted truck it can’t be just any ole boring color. Kermit came to us from South Dakota, not rusty but without good patina. “Kermit” Frame off build,1952 Chevy 3100 5 window Cruiser/Weekend warrior/Resto Mod Pickup.
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