How are fossils formed? What are the five processes?

Fossils are the remains of ancient organisms, relics or relics that remain in rocks, most commonly bones and shells. Refers to being preserved in rock formations.

Geological-historical periods.

of paleontological relics and living remains as well as remnants of biogenesis.

Organic molecules. The five processes are as follows:

1. Organic matter must have hard parts, such as shells, bones, teeth, or woody tissues. However, under very favorable conditions, even very fragile organisms, such as insects or jellyfish, are able to turn into fossils.

2. Creatures must avoid being destroyed immediately after death. If a creature's body parts are crushed, decayed, or severely weathered, this may alter or eliminate the possibility of the organism becoming fossilized.

3. Organisms must be quickly buried by something that hinders decomposition. And the type of material that is buried usually depends on the environment in which the organism lives. The remains of marine animals can usually be turned into fossils, because the marine animals sink to the bottom of the sea after death.

Ooze. Cover. Ooze in the later.

Geological age. in the middle becomes shale or limestone.

Fine-grained sediments are less likely to damage the remains of living organisms. Certain fine grains of the Jurassic in Germany.

Sedimentary rock. Fossils of fragile creatures such as birds, insects, and jellyfish are well preserved.

4. The buried corpse of the organism must also go through a long period of time.

Petrification. before fossils can be formed. Sometimes, after death, the organism is quickly buried, but it is soon destroyed due to various factors such as erosion, and fossils cannot be formed. There are some fossils preserved in older rock formations due to the deformation of rock formations and.

Metamorphism. Causing fossils to be destroyed.

5. Sediment in.

Consolidation of rocks. in the process, compaction.

And. Crystallization.

will affect the petrification and preservation of fossils.

Extended Information: One of the more interesting and unusual ways things can be fossilized is to preserve them in amber. Ancient insects can be used by some.

Conifer. secretion of sticky.

Gum. captured. When the pine resin hardens and turns further into amber, the insects remain in it. Some insects and spiders are so well preserved that they can even study their fine hairs under a microscope.

Muscle tissue. While the preservation of the soft tissues of living organisms has resulted in some interesting and breathtaking fossils, fossils formed in this way are relatively rare.

Paleontologist.

More often, fossils preserved in rocks are studied.

It's five words. In Zhangbu Township, Pingtang County, Qiannan Prefecture, Guizhou.

1. Fossils are the remains or relics of creatures in the distant past.

2. The organic matter in the biological remains is decomposed.

3. The hard part is petrified and turned into stone along with the surrounding sediment, but the original morphological structure of the creature is still preserved.

4. Fossils are formed by petrification after the remains of organisms or other living activities in the historical period of the earth are buried by sediments, and in the process of sediment compaction and consolidation.

Fossils are the relics of ancient creatures buried in the strata. The most common fossils are formed from teeth and bones. After the death of ancient animals, the internal organs, muscles and other soft tissues of the corpse will quickly decay, and the teeth and bones can be preserved for a longer time because there is less organic matter and more inorganic matter.

If the body happens to be buried in sediment, cut off from the air, the process of decay slows down.

There is slow-flowing groundwater in the sediment voids, which dissolves the minerals in the rock and sediment on the one hand, and precipitates the excess minerals in the water into crystals, which then gradually seeps into the bones buried in the sediment, filling the space left by the decay of teeth and bone organic matter.

If the conditions are right, the minerals that seep into the bones from the outside can effectively replace the original organic matter of the bones before they decay and disintegrate, and the teeth and bones are preserved as fossils. Because a large number of minerals in fossils are slowly replaced by extremely careful organic matter, the original shape of teeth and bones can be preserved intact, and even the shape of tissues that can be seen by electron microscopy can be preserved as they are.

This is how the fossils were formed, and the fossils are only dinosaur fossils? After reading it, I understand!

After the biological remains and their life activities are buried by sediments, they go through a long geological time, and with the diagenesis of sediments, the biological remains or relics buried in the sediments are transformed by physical and chemical processes (often accompanied by mineral metasomatism and filling) and finally form fossils.

Fossils are the remains of paleontology, relics, or remains that remain in rocks, most commonly bones and shells.

The word fossil is derived from the Latin fossillis, which means to dig. Fossils are the main research objects of paleontology, which provide evidence for the study of animal and plant life history in geological periods. There have long been records of fossils in ancient Chinese books, such as Ji Ran in the Spring and Autumn Period and Wu Jin in the Three Kingdoms Period, both of which have mentioned the "dragon bones" produced in Shanxi Province, and the "dragon bones" are fossils of bones and teeth of ancient vertebrates.

The so-called fossils refer to the paleontological relics and living relics of the geological history period preserved in the rock formations, as well as the residual organic molecules of biological origin.

In the long geological time, there have been countless creatures living on the earth, and many of the remains of these creatures after death or traces left over from life were buried by the sediment of the time.

In the years that followed, the organic matter in the remains of these organisms was decomposed, and the hard parts such as the shells, bones, branches and leaves, along with the surrounding sediment, were petrified and turned into stone, but their original form, structure (and even some subtle internal structures) remained.

In the same way, the traces left by those creatures when they lived can be preserved in this way. We call the remains and remains of these petrified organisms fossils, and fossils generally take at least hundreds of millions of years to form.

Often, soft parts such as muscles or epidermis have eroded before they can be preserved, leaving only the more resistant parts, such as bones or shells. They are then replaced by minerals seeping into the surrounding sediment. Many of the fossils are also covered with the weight of the rocks on which they are flattened.

The remains, relics or traces left by organisms of animals or plants belonging to paleogeological time preserved in the earth's fiber crust are called fossils. So how do fossils form?

What is the process of fossil formation?

In the long geological time, there have been countless creatures living on the earth, and many of the remains of these creatures after death or the traces left by life were buried by the sediment of the time. In the years that followed, the organic matter in the remains of these organisms was decomposed, and the hard parts such as the shells, bones, branches and leaves, along with the surrounding sediment, were petrified and turned into stone, but their original form and structure remained.

The process of fossil formation What is the process of fossil formation.

The morphological characteristics and living environment of animals and plants can be inferred from the vertical spring stones, and the age and changes of the strata where the buried fossils are buried can be inferred. So the fossils are of great collection and archaeological significance.

Fossils can generally be divided into two types: one is the weathering of a creature that grows on the earth after a long period of time after death, and the organic matter in its body is decomposed, and its hard part is petrified. The other belongs to the traces left by those creatures, which have been tempered for a long time and then petrified to stone. It generally takes hundreds of millions of years to form.

How fossils are formed.

Fossils can also be divided into plant and animal species. Plant fossils are often formed by petrifying its roots and leaves. Animals are often formed by petrification of animal bones, teeth, and footprints.

Fossils are useful for studying the evolution of living things and the development of the natural world.

Fossils are formed by petrification due to the remains of organisms and traces of biological activities after being buried by sediments, in the process of continuous extrusion and consolidation of sediments. The characteristics of fossils vary, and often we study those solid fossils, and the complete fossilization of living things is very rare in cadaver fossils.

The formation of fossils goes through very harsh conditions. If there is no hard part, it is likely to be crushed or decomposed in the process of sediment extrusion, and the action of sediment will also affect the formation of fossils.