In which country are the archaeological sites of Sipan and Ollantaytambo?
Ollantaytambo Ollantaytambo Ollantaytambo () is a town and an Inca archaeological site in southern Peru some by road northwest of the city of Cusco. It is located at an altitude of above sea level in the district of Ollantaytambo, province of Urubamba, Cusco region. During the Inca Empire, Ollantaytambo was the royal estate of Emperor Pachacuti, who conquered the region, and built the town and a ceremonial center. At the time of the Spanish conquest of Peru, it served as a stronghold for Manco Inca Yupanqui, leader of the Inca resistance. Nowadays, located in what is called the Sacred Valley of
Hornfels in Victorian archaeological sites Hornfels in Victorian archaeological sites Hornfels is an unusual and relatively rare stone used in making flaked stone tools, and which is found in Aboriginal archaeological sites in Victoria, Australia. A sample of places where it has been found can be seen in the geographic section below. The term has been used for "...a group of compact, fine-grained, metamorphic rocks that form as a result of contact between sedimentary country rocks and a magma intrusion". The mineral composition is variable, but commonly contains mica and pyroxene while porphyroblasts of pyroxene, cordierite or andulusite also develop. Sedimentary structures are rarely evident