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... Science Frontiers ONLINE No. 50: Mar-Apr 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "HIGH"-TECH FARMING AT TIAHUANACO One of Tiahuanaco's (or Tiwanaku's ) many puzzles has been how food for such a large city was grown at an altitude of circa 3,850 meters (12,600 feet) in the frosty, windswept Bolivian Andes. This problem along with the fabulous stonework and extensive ruins have precipitated theories involving extraterrestrial visitors and an age for the site in the hundreds of thousands of years. At least the food-supply puzzle now seems to be in hand. Stereoscopic aerial photographs show in startling detail: ". .. immense, curvilinear platforms of earth...these ... form elevated planting surfaces ranging from five to 15 meters wide and up to 200 meters long...Extensive and nearly continuous tracts of these fields -- all of which have been abandoned for centuries -- run from the edge of Lake Titicaca to about 15 kilometers inland, and form virtually the only topographic relief in the broad, gradually sloping plain." Some of the raised fields are remarkably sophisticated in design. At the base is a layer of cobblestones for stability. These are covered by a 10-centimeter layer of clay. On top of the clay are three distinct layers of sorted gravel; all capped by rich organic topsoil. These fields were simultaneously an aquifer for the fresh water percolating down from the surrounding hills and a barrier to the brackish water from Lake Titicaca. ...
Terms matched: 2 - Score: 139 - 15 May 2017 - URL: /sf050/sf050p03.htm

... Carvings in Australia Acambaro Figurines Mastadon and Elephant Carvings in Anomalous Places Nampa Image Olmec Heads Chinese Seals in Ireland Jade Objects in America Fossil Man of Onodaga (Hoax) Gorilla Carvings in Mesoamerica Ape Carvings in North America Unexpected Faces in America Burrows Cave Artifacts Maize Carvings in India Hooded Snake in America Serpent Sculpture Worldwide Australian Head Carving in cave Crespi Collection Engraved Pebbles Gateway-of-the-Sun Symbols Tiahuanaco Heads Tiny, Gold Airplanes Mexican Cylinder Seals Ica Stones Roman Head in Mexico Phoenician Carvings in Britain MGW WRITING Script in Australia Indus Writing (Mohenjo-Daro) Mystic Symbol Oklahoma Runestones Bat Creek Tablet Easter Island "Writing" Mechanicsburg Stones Kensington Stone Cuna/Kuna Writing Hearn Tablet Chinese in America Ogam in America Norse Runes in America Davenport Tablets Sherbrooke Inscriptions Glozel Tablets Tartaria Tablets Dighton Rock Monhegan Inscription ... Fossils in the New World? Wyoming Mystery Mummy Evidence of Ancient Cannibalism Kennewick Man and Similar Recent Discoveries Rats in New Zealand That Suggest Pre-Maori Occupants Teeth and Ainu Origin Controversial Guadeloupe Skeleton Fossils Supporting the Multiregional Theory Ancient Horse-Cribbing Polynesian Fossils in the New World South American Fossils in New Zealand Babirusa Bones in Canada Humans and Domesticated Ground Sloths Trepanation Yuha Burial Problem Human Hair at the Orogrande Site Pygmy Skeletons Chinese Fossils in Australia Giant Skeletons [BHE] Neanderthal Fossils and Speech Santa Barbara Fossils Taber Skeleton (Canada) Eskimo Fossils in France Blond Mummies in Peru Red-Haired Mummies in Nevada [MAA] Santa Rosa Mammoths and Hearths MAK CULTURE Precocious Number Systems and Mathematics Agriculture and Culture Decline Navigational Techniques Ancient Cosmologies and Astronomy Music, Arts, Literature Measurement Systems Paper-Making Diffusion Olmec ...
Terms matched: 2 - Score: 115 - 15 May 2017 - URL: /cat-arch.htm

... Puzzling Artifacts Sorry: Out of Print. No longer available. Now in its third printiing, our archeology Handbook reproduces hundreds of items from the difficult-to-obtain archeological literature. Typical subjects covered: Ancient Florida canals * The Maltese "cart tracks" * New England earthworks * Ancient coins in America * Ancient Greek analog computer * Inscriptions and tablets in unexpected places * The great ruins at Tiahuanaco * Zimbabwe and Dhlo-dhlo * Huge spheres in Costa Rica * The Great Wall of Peru * Ancient batteries and lenses * Mysterious walls everywhere * Pacific megalithicsites * European stone circles and forts * [Picture caption: Scottish carved stones from circa 1000 B.C . Comments from reviews ". .. a useful reference in undergraduate, public, and high school libraries", Booklist. ... from hundreds of volumes of Science, Nature, Antiquity and other science journals, this massive collection of archeological puzzles will keep researchers digging for decades. Costa Rica's enigmatic stones spheres Peru's Intervalley Canal Iraq's 100,000 miles of subterranean tunnels (the qanats) Nova Scotia's "Money Pit" Egypt's canal to the Red Sea North America's Calendar sites Medicine Wheels and woodhenges Sculpted hills and mountains Chaco Canyon's curious roads The puzzling East Bay walls Lake Superior's copper mines Stone arrays and meanders Florida's shell keys Poverty Point and Watson Brake Malta's strange "cart ruts" View Cart Buy online via PayPal with MC/Visa/Amex 412 pages, softcover, $21.95. 255 illustrations, 3 indexes ...
Terms matched: 2 - Score: 94 - 10 Oct 2021 - URL: /sourcebk.htm