The nonsense about Ica stones, propounded in a popular pseudoscientific book "Chariots of the Gods," rises again.

See these pictures and comments in powerpoint presentation on the Mocha and the Nazca, Andean States II. A colorful and interesting presentation on Andean culture.
www.albany.edu/anthro/fac/rafferty/class_files/131_14.2_moche.ppt-

Moche

If my link is wrong, look in Google for Andean States II.
(Computer illiterate)