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Most medium-sized animals (like dogs) are macerated within about ten days. Lipids and fatty acids in the bone and in the fat tissues tend to stain the bone brown. Oxidising bleaches may be used to whiten the bone, but if too much is used the perchlorate or hypochlorite damages the bone tissue, leaving it chalky and brittle. Hydrogen peroxide at ...
Bone is also made of both mineral and carbon-based materials; the mineral-based are calcium, phosphorus, and fluoride; the carbon-based is the protein ossein. Bone also includes the mineral hydroxyapatite, "A calcium phosphate mineral which forms a hard outer covering over the collagen and protein matrix," [1] or organic material.
The Western Science Center (WSC), formerly the Western Center for Archaeology & Paleontology, [1] is a museum located near Diamond Valley Lake in Hemet, California.The WSC is home to a large collection of Native American artifacts and Ice Age fossils that were unearthed at Diamond Valley Lake, including "Max", the largest mastodon found in the western United States, and "Xena", a Columbian ...
The bones have been found relatively intact — the ribs somewhat jumbled, for example, but not scattered over a wide area. Tour information Go to coyotecanyonmammothsite.org to register starting ...
[10]: 2 When examining animal remains, it is common that there are bones that are too small or too damaged to be able to accurately identify it. [10]: 3 Archaeological context can be used to help with assumptions about species identification. [10]: 3 Skeletal classification is the other half of properly identifying animal remains.
Tests of animal bones found nearby suggest that the climate was harsh — comparable to modern-day Siberia. That means humans were having success in an extreme climate some 45,000 years ago.
Archaeological discoveries have unearthed older tools for tailoring, such as bone awls — which are simply sharpened animal bones found to have been used for cutting animal hides.
Shipwrecks do not only occur in the oceans, they are common on inland waterways as well. "There are over 6,000 shipwrecks in the Great Lakes, having caused an estimated loss of 30,000 mariners' lives." [18] Many artifacts can be found through shipwrecks including gold, jewelry, spears, swords, ceremonial axes and hundreds of other objects. [19]