| 31. | Less than 6, 960 years before present, a basaltic andesite-andesite ash of yellow ochre colour was erupted from Mentolat.
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| 32. | The yellow form produced yellow ochre for which Cyprus was famous, while the darker forms produced more earthy tones.
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| 33. | There are five caves in total which contain the most extensive and accessible yellow ochre workings in the Mendip Hills.
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| 34. | These are particularly outstanding in his Hay series, where yellow ochre suffuses with tinges of sienna and traces of green.
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| 35. | Cotton was generally used, and dyes came from blue clays, yellow ochres, and red came from insects living in nopal cacti.
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| 36. | The cave of Lascaux has an image of a horse colored with yellow ochre estimated to be 17, 300 years old.
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| 37. | He used the traditional yellow ochre, but also chrome yellow, first made in 1809, and cadmium yellow, first made in 1820.
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| 38. | Edades, on the other hand, presented figures in muddy earth colors yellow ochres and raw sienna accented by bold black contours.
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| 39. | It is full of cavities and pores and contains a large quantity of iron in the form of red and yellow ochres.
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| 40. | Eye color is variable too with some having khaki light brown just prior to fledging and others with adult-like yellow ochre eyes.
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