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