The Ica Stones are composed of andesite. They vary in sizes having the depictions of dinosaurs, flowers, fish, or living animals of various sorts. Others appear to depict scenes which would be anachronistic in pre-Columbian art. In 1960, Javier Cabrera Darquea collected and popularised these stones which he purchased from a farmer. Later, the farmer admitted to creating the carvings he had sold and said he produced a patina by baking the stone in cow-dung. Since there is no reliable way of dating the stones, these stones of uncertain date can never be used for establishing a conclusion about its origin.