What do the collection of andesite stones found in Ica Province, Peru offer proof of?
Ica stones The Ica stones are a collection of andesite stones found in Ica Province, Peru that bear a variety of diagrams. Some of them supposedly have depictions of dinosaurs, and what is alleged to be advanced technology. These are recognised as modern curiosities or hoaxes.
Mariano Eduardo de Rivero y Ustariz Mariano Eduardo de Rivero y Ustariz (October 22, 1798 – November 6, 1857) was a prominent Peruvian scientist, geologist, mineralogist, chemist, archaeologist, politician and diplomat. His publications about his discovery of Humboldtine (an iron-oxalate), demonstrating the existence of organic-minerals; about deposits of copper and sodium nitrate (saltpeter) near Tarapacá in the Atacama Desert; about bird-guano and coal in Peru and their possibilities of industrialization as well were forward-looking and made him a pioneer of mining education in South America and the most notable Peruvian scientist of the 19th century.