For jade onyx, its formation conditions are very harsh. Most of the jade comes from some high-temperature melted magma at several tens of kilometers underground, and the high-temperature melted slurry rushes from the ground to the surface of the earth along its surface cracks.
After cooling, it forms a hard stone. During the whole process, only a small amount of elements will slowly crystallize to become hard jade or gems.
The formation of jade can be divided into the following important formation stages:
1. The dolomite sedimentation stage was in the late Mesoproterozoic, about a billion years away from today. At the position of the Kunhua Mountain range from now to now, there used to be a shallow sea here, and in this sea, there is a lot of The deposition of carbonates, among them, contains a large amount of magnesia dolomite, and this material is the main material source for the formation of jade.
2. In the stage of jade metamorphism, dolomite is metamorphosed into dolomite marble due to the strong earth fold and fault activity.
3. Due to the strong fault activity and magma in the lower surface of the ground, there are a lot of acidic rocks intruding into dolomite marble along the fault zone, and there are some dolomite marble trapping bodies and some tongue-shaped bodies due to the excessive residue on the top of the intrusive body And magma into the body. After these liquids are in contact with hydrothermal fluids, diopside and posterization are formed, and these innate material conditions are one of the material conditions in the formation of jade.
The formation of natural jade is mainly caused by a volcanic eruption and magma intrusion, followed by the later hydrothermal action to form natural jade. These deposited objects include biological remains and debris, which will become jade components after a certain amount of chemical precipitation and epidermal leaching.
