The Paleozoic geological period was dominated by radiating corals, while the Mesozoic era witnessed the emergence of hexajectic corals, while the Cenozoic era witnessed the emergence of ocaectic corals. The so-called ocaectic corals have eight bed plates and eight tentacles, and the corals rely on these tentacles to absorb food and grow and develop in the sea. Coral grows very slowly in the sea. From the growth lines and growth lines shown by the fossilization of coral, it is estimated that the growth time of a meter-high coral animal is about 1000 years. Bodies of corals died, it gradually free CO2 and Ca in seawater cation combined into calcium carbonate is replaced, this process is called calcification, also known as petrochemical process, the result of the process organic matter of the coral into inorganic qualitative coral fossils of animals, if the coral combined with silicon, under certain conditions will corallite jade.
Fossils are rare treasures that have gone through thousands of years and hundreds of millions of years of evolution. They are important scientific specimens in the history of biological and human evolution.
Fossils of ancient Marine fossils, the oldest is 1 billion - 800 million years ago the proterozoic jixian ji algal-bacterial laminated rock, ancient algae, in addition to this, is a lot of Paleozoic carbonate sedimentary rocks, including 3.4 billion years ago the corals, sponges, ammonites, sea lilies, and brachiopods, snails and other creatures. When these creatures died, they preserved the layers of their bodies, and after a great deal of change, they finally formed stones.
As heat of fossil collection market perspective, the collection of fossils is not just so simple, fossil for collector and fossil investors have stream is not a simple like and study so simple, is the result of his rare fossils and for the ice age of early earth changes and left over from the one hundred million specimens, in turn, becomes a fossil, so fossil has not just the only research value, the evaluation of the rare and market to them because he is already very high.
Collection name: The coral fossils
This treasure is temporarily placed in "Sichuan Zhihe Cultural Development Co., Ltd." intending to contact the company directly!
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