The tail of a 99-million-year-old dinosaur, including bones, soft tissue, and even feathers, has been found preserved in amber, according to a report published in the journal Current Biology.
While individual dinosaur-era feathers have been found in amber, and evidence for feathered dinosaurs is captured in fossil impressions, this is the first time that scientists are able to clearly associate well-preserved feathers with a dinosaur, and in turn gain a better understanding of the evolution and structure of dinosaur feathers.
A Telling Tail
The semi translucent mid-cretaceous amber sample, roughly the size and shape of a dried apricot, captures one of the earliest moments of differentiation between the feathers of birds of flight and the feathers of dinosaurs.
Inside the lump of resin is a 1.4-inch appendage covered in delicate feathers, described
as chestnut brown with a pale or white underside.
The dinosaur feathers feature a poorly defined central shaft (rachis) and appear to keel to either side of the tail. The open, flexible structure of the feathers is more similar to modern ornamental feathers than to flight feathers, which have well-defined central shafts, branches, sub-branches, and hooks that latch the structure together.
What is an Caribbean Amber? According to Wikipedia‚ Caribbean amber is amber from the Caribbean. So far the only island in the Caribbean where amber retinite has been discovered and is mined is La Hispaniola‚ which consist of Haiti and the Dominican Republic. Dominican amber is found in various natural colors‚ among them fluorescent green [...]
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Amber is one of the most fascinating creations of mother nature. Its formation‚ properties‚ varieties and appeal in beautiful glow-like colors have been enchanting since the ancient times. Amber shows amazing inclusions including insects and plant fragments that took millions of years to fossilize. We offer authentic and individually handcrafted fossil jewelry in 14K gold [...]
Amber is unique because the stones are still “alive” and interacting with the environment around it. The color of amber May change over time to make the piece even more unique. Amber has withstood for a millennia‚ however‚ it is also fragile. But caring for your amber is easy.To maintain the luster of the amber‚ [...]
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Amber jewelry is an ancient type of jewelry which comprises of rare amber inclusions and thus commands good prices in the international market. And as Amber lovers spend valuable money into the purchase‚ it is very important to buy top quality amber and stay away from unscrupulous merchants.There are several cues that you need to [...]