Terra preta (, locally , literally "black earth" or "black land" in Portuguese) is a type of very dark, fertile manmade (anthropogenic) soil found in the Amazon Basin. It is also known as "Amazonian dark earth" or "Indian black earth". In Portuguese its full name is terra preta do índio or terra preta de índio ("black earth of the Indian", "Indians' black earth"). Terra mulata ("mulatto earth") is lighter or brownish in colour.