what is the petrified wood

petrified woodwhat is the Petrified wood = Petrified wood fossils are a type of fossil, namely wood fossils where all the organic material has been replaced by minerals (usually a type of silicate, such as quartz), with wood structures maintained. The fossil process occurs underground, when wood is buried under a layer of sediment. Mineral-rich water enters plant cells and while lignin and cellulose decompose, they are replaced by stones.

Petrified wood (derived from the Greek word “petro” which means coral or stone, literally means wood that turns into stone) is a type of fossil; is a wood fossil where all the organic material has been replaced with minerals (which are generally silicates, like quartz), but the original structure of the wood is maintained. The rocking process occurs underground, when wood is buried under sediment and begins to be preserved due to lack of oxygen. Mineral-rich water that flows through the sediment stores minerals in plant cells and in line with lignin decay and plant cellulose, stone formation occurs. No wonder / strange Petrified wood / fossil is found in the soil, because the process of formation is in the soil. And there are also those found in the middle of a small and large river.

A very basic feature of petrified wood inside and on the banks of the river is louder and even the parts of the skin are not lime, as if there had been a polishing process by humans. This happens because there are friction between wood fossils and sand and other rocks that are in the river for millions of years. Unlike wood fossils, some of which are still lime-lined, however, the motifs and colors are more interesting than fossils that are inside and on the banks of rivers. Even some of the fossil wood contained in the soil is crystallized, the water content is very high. When the bark is opened, the contents of the stone are transfused … for this wood fossil people say fossil wood agate.

In general, the process of changing wood into fossils, according to experts, takes millions of years as the article in “World Book Encyclepedia about” “in the article said that the process of petrified wood takes 225 years. However, this is still a debate among severe experts. and. Organic material must be fossilized before it actually decomposes.

Elements such as manganese, iron and copper in water / mud during the process of changing wood to stone produce a variety of colors. Pure quartz crystals are colorless, but when contaminants are added during the process, the crystal will have yellow, red or other colors.

Below is a list of contaminant elements and the colors they produce:

carbon – black
cobalt – green / blue
chromium – green / blue
copper – green / blue
iron oxide – red, brown, and yellow
manganese-pink / orange
manganese oxide – black / yellow

Petrified wood can maintain the original structure of the wood as a whole, to the microscopic level. Structures such as tree rings / rings and various kinds of tissues are often observed forms.

Petrified wood has a level of Mohs 7 hardness, equal to quartz. Petrified wood / wood fossils can be found in Indonesia, Australia, New Zealand, India, the United States, Argentina, Belgium, Brazil, Canada, Greece and Libya.

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source https://id.wikipedia.org/wiki/Fosil_kayu

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