The well -known caliche rock discovery has marked a turning point in stone usage history as a sedimentary texture whose formation has properties serving as a unique raw material for use in chemical composition of cement.
The cement made of caliche is usually calcium carbonate.
Some other cements made of caliche are iron oxide, silica, or magnesium oxide.
Caliche is a mineral deposit of nitrate, sand or gravel which is found mostly in arid or semiarid areas of the earth.
Caliche dirt also is a layer of soil which is cemented together by calcium carbonate and could be formed below the surface layers of crust having a light color in appearance and ranging in size from one inch to various bigger sizes.
Caliche soil has various usages that make it a determinative mineral for its low porosity and high level of hardness.
One important usage is that it could be a practical barrier to any erosion by water or wind.
Also, it is widely used in construction as a binder to various cement rocks.
The porosity of caliche could serve as a site of deposition for many precious secondary stones like ores made of uranium or vanadium or materials used for gem production such as turquoise or malachite.
What is caliche used for?
Caliche rock or soil have vey determinative uses both in construction and industry.
One important use is that it can block the downward infiltration of water.
Also, the use of caliche in terraced cements can affect topography very strongly.
Another use of caliche is that it is used in compressed earth or rammed earth blocks and based on the center of maximum potential construction systems.
It is a hard, durable, cheap in price and with thermal characteristics to be used in building structure.
The use of caliche rocks in road paving causes an environmentally friendly structure together with beneficial pricing which is especially functional in arid or semiarid areas of the world.
It has long time durability and low-cost transmission.
Also, the cost of obtaining caliche is way cheaper than other building materials.
Some times caliche is crushed to be used in aggregates, fills, and as raw material for Portland cement production.
For these reasons, it is believed that caliche is a determinative rock in construction building or industry.
Caliche Formation
Mostly in arid or semiarid regions around the world, the sinking of rainwater under the ground which happens so quickly and later the drying of water on the surface, causes the under- ground water to raise above carrying various minerals with itself.
In this stage, water evaporates and the carbon dioxide in it gets lost.
This total movement of water later forms a caliche which is near the surface of the earth.
Also, calcium which is always dissolved in rain water, constantly is added to the soil.
Later this calcium gets mixed with carbon dioxide dissolved in water of soil, forming calcium carbonate deposits that are insoluble finally resulting in caliche lumps.
So, we can say caliche is the deposit remainder of calcium carbonate accumulation during the process of soil formation.
One other way to form caliche is under vegetation areas where water is extracted towards the surface by plants causing some minerals to rise with water.
At the nearer levels to ground surface the evaporation of water happens and following that, the precipitation of materials near the surface starts.
This process could later form caliche in sub-surface areas near the ground.
Caliche Soil Properties
Caliche soil is generally formed below the earth surface out of evaporation of rain water which comes up to the surface and carbon dioxide is lost in it.
This process causes particles involved in water to be cemented by calcium carbonate and later form the caliche under subsurface layers of the ground.
One well known area for huge sources of caliche stone underground is southwest of united states and specifically Arizona, Texas, Nevada, California and New Mexico.
However, the existence of caliche in these areas have caused difficulties like poor water drainage in the soil, inappropriate soil condition for plant growth, and problems when excavating for construction purposes.
The term caliche is originated from a Spanish term referring to porous materials cemented by calcium carbonate.
There are a few other names for caliche such as duricrust, calcrete and hardpan.
caliche is so much durable and resistant and could form a perfect construction material especially in arid or semiarid areas where rainfall is a lot less.
Caliche Chemical Formula
The wide areas of use for caliche stone are thanks to its chemical formula that makes it a perfect choice to be used in the structure of many other minerals like iron oxide, silica and magnesium oxide.
The chemical formula is NANO3.NAIO3. its reserves are widely in Llano Estacado in Texas where the most amount of Portland cement is made out of caliche as a binder for cement materials.
its thickness is around one foot but in different climates it could reach even to further 3 feet.
It is considered a harder material than soil.
But steel tools can easily get through it since the calcite mineral in caliche stone is not specifically hard.
Caliche Rock for Sale
Due to the hard structure and calcium carbonated texture of caliche rock, it is a brilliant choice for sale in mass amounts.
According to definition, it is a sedimentary rock which is made of calcium carbonate that has been hardened and is formed in subsurface areas under ground due to evaporation of rainwater below surface and combination of deposits of other minerals with calcium carbonate.
These exclusive features make it highly durable and due to its light color, a good option for constructive purpose.
The price for caliche rock ranges from $0.
45 per square foot to 32$ per ton and serves as a pretty good option in terms of cost effectiveness and also cheap transfer and maintenance or reform cost.
Caliche Dirt
like other forms of caliche, caliche dirt also shares the same texture in its properties and has the same feature as usual caliche rocks.
It is solely made of sedimentary deposits of calcium carbonate which is hardened under ground surface and is widely included in the combination of other rocks minerals.
It is in fact a carbonic salt made of calcium.
It is recognized by its light color but also it can be found in reddish brown or light pink color.
Caliche dirt is so hard and durable and is used in most industrial and constructional purpose.
The structure of caliche rock as a sedimentary rock which is the result of evaporation of rainwater under ground surface and its cementation with calcium carbonate sets a brilliant combination for further use in industry or building construction.
The appropriate hardness level together with long period durability are amongst its exclusive features.
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