Ochre and Red on Red Mark Rothko encyclopedia of visual arts
Quite often, ochres can be used for pigmenting purposes upon little or no processing, and, hence, the pertinent materials have been widely employed for decorative and artistic purposes since the dawn of prehistory; ochres have also found medicinal applications.
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Red ochre is composed mailnly of iron oxide, hematite which word comes from Greek, hema meaning blood. Used from prehistory and throughout history, these permanent pigments can be safely mixed with other pigments. Ochres vary widely in transparency; some are quite opaque, while others are valued for their use as glazes..
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Red ochre, Fe 2O 3, takes its reddish colour from the mineral hematite, which is an anhydrous iron oxide. Purple ochre is identical to red ochre chemically but of a different hue caused by different light diffraction properties associated with a greater average particle size.
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Steve Green | Updated November 12, 2023 | Published February 23, 2022 Ochre is often confused with mustard yellow, but while mustard is a dark shade of yellow, ochre is a dark orange-yellow. It can have varying levels of orange or yellow tones, which can affect which colors it will go best with.
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The Red Ocher people were an indigenous people of North America. A series of archaeological sites located in the Upper Great Lakes, the Greater Illinois River Valley, and the Ohio River Valley in the American Midwest have been discovered to be a Red Ocher burial complex, dating from 1000 BC to 400 BC, the Terminal Archaic - Early Woodland period.
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Smeared on shells, piled in graves, stamped and stenciled on cave walls from South Africa to Australia, Germany to Peru, ochre has been a part of the human story since our very start — and perhaps even earlier. For decades, researchers believed the iron-rich rocks used as pigment at prehistoric sites had symbolic value.
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Archeological excavations led by Wyoming's state archaeologist and UW researchers have confirmed that an ancient mine in Southeastern Wyoming was used nearly 13,000 years ago to collect red ocher. This discovery means that the Powars II site is the oldest documented red ocher mine and the oldest mine in North and South America. Wyoming Public Radio's Kamila Kudelska spoke with Wyoming State.
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Ochre pigments were, and still are, widely used in paint and artwork. Many of the red and yellow pigments in rock art panels around the world are made with ochre-based paints.
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More information: Use of red ochre by early Neandertals, PNAS, Published online before print January 23, 2012, doi: 10.1073/pnas.1112261109 Abstract The use of manganese and iron oxides by late.
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Red ochre use in caves, which is a hallmark of ice age art, begs the question: what is the significance rock and cave as locations for the red ochre handprint? We have already mentioned the auditory and echo like properties of the caves. But many later paintings are outside. In the Canadian Shield, the vision site such as the mountain itself.
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Red oxides or red ochres are hematite-rich forms of yellow ochres, commonly formed from aerobic natural weathering of iron-bearing minerals. Prehistoric and Historic Uses
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The color ochre comes in various shades, including red, yellow, brown, gold, and purple. Each of these can be ground and heated to create different pigments that are then turned into paint.
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The Collection Ochre and Red on Red Mark Rothko ( 1954 ) Period Twentieth-Century Materials Oil on canvas Object Number 1666 Dimensions 92 5/8 x 63 3/4 in.; 235.2675 x 161.925 cm Credit Line Acquired 1964; © 2022 Kate Rothko Prizel & Christopher Rothko/Artists Rights Society (ARS), New York.
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Vermilion pigment Natural red pigments Red pigments are materials, usually made from minerals, used to create the red colors in painting and other arts. The color of red and other pigments is determined by the way it absorbs certain parts of the spectrum of visible light and reflects the others.
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ochre, a native earth coloured with hydrated iron oxide.It varies in colour from pale yellow to deep red, brown, and violet.There are two kinds: one has a clayey basis, while the other is a chalky earth. The former variety is in general the richer and purer in colour of the two. Both kinds are widely distributed in beds or pockets, mainly in stratified rocks and rubble and rarely as extensive.
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More "mundane" or "domestic" uses of red ochre (derived from hematite, Fe 2 O 3) are known from the ethnographic record of modern hunter-gatherers, for instance, as (internal and external) medication, as a food preservative, in tanning of hides, and as insect repellent ( 3 - 9 ).
