Machu Picchu and Mysterious “Gold” Mortar

Machu Picchu is truly one of the wonders of the world. The spectacular ridge-top site of this city and the fine masonry of royal Inca buildings are stunning aesthetic and technical accomplishments. Early Spanish chroniclers reported "molten gold" was used as mortar during stone block construction, and a research paper by a chemist presents some intriguing insights.

By |2021-07-12T17:18:51-07:00July 8th, 2021|Ancient Andean Cultures|2 Comments

Machu Picchu’s Unique Geology

Machu Picchu, the Inca citadel high on a ridge in the Andes Mountains, is one of the most impressive and widely recognized archaeological sites on Earth. Since I am fascinated by this spectacular place, I’ve written about it in several blog posts. In a new article I’ve focused on the geology – and this is posted on a website called "GondwanaTalks".

By |2020-09-23T19:37:28-07:00September 23rd, 2020|Ancient Andean Cultures|0 Comments

Monuments, Megaliths, and Inca Builders

In the Andes Mountains of South America, the Incas and their ancestors invested enormous amounts of time and labor in the meticulous work of quarrying, transporting, and fitting together multi-ton stone blocks, or megaliths, for monumental construction projects..... The ancient Andean stonework is so impressive that many have found it difficult to believe that mere humans, who lacked draft animals and were using only stone-age tools, could be responsible for the construction.

By |2021-07-05T20:19:36-07:00August 6th, 2020|Ancient Andean Cultures|6 Comments

Water and Power at Chavín de Huántar

Machu Picchu, the city built by the Incas on a steep mountain ridge, is a tremendous engineering achievement – and only one of many impressive constructions by the ancient Andeans. Among these is Chavín de Huántar in northern Peru, with a sprawling temple complex that was once the center of a powerful cult and an important pilgrimage site.

By |2020-03-04T20:25:58-07:00March 4th, 2020|Ancient Andean Cultures|0 Comments
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