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There is no fixed rate, as it varies widely with the cave's atmospheric and geological conditions, and the water-chemistry and flow-rate. A "statistic" popular with show-cave guides is "one inch in a thousand years", and whilst that may be near enough in many cases, it is by no means a universal law.
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What are stalactites and stalagmites?
When underground in a cave, you may find cone-like limestone structures on the ceiling and the floor. On the ceiling are stalactites. (They hold on tite.). On the floor are stalagmites. Where they meet, the combined structure is called a column.Formation of Stalactites and StalagmitesWhere limestone is present above a cave, it can be dissolved by water as calcium bicarbonate. When it drips down into a cave, it reverts to particles of calcium carbonate in the air. If the water carries to the floor of the cave, stalagmites (limestone pinnacles) are formed. If the calcium precipitates before it can drip, an "icicle" of limestone, a stalactite, hangs from the ceiling. Usually these forms are created simultaneously, and may merge to form columns or sheets of columns.Unlike their icy counterparts, stalactites and stalagmites take hundreds to thousands of years to form, at an average of 5/1000ths of an inch (.13 mm) a year. A stalagmite in an Oregon cave has grown less than 1/4 of an inch since it was broken off 100 years ago!
How long does it take a stalagmite to form?
In the basement of the Lincoln Memorial in Washington, D.C. are examples of stalactites and stalagmites. The memorial was built in 1922. Rainwater seeping through the marble floor has formed stalactites up to five feet long in just 40 years. A picture was taken in the 1960's. There are many other examples of stalactites, stalagmites and flow cones forming rapidly under buildings recently created.
What is the differences and similarities between stalactites and stalagmite?
Stalactites and stalagmites are both mineral formations found in caves, created by the deposition of calcium carbonate from dripping water. Stalactites hang from the ceiling of caves, while stalagmites grow upward from the cave floor. Both formations can take thousands of years to develop and are formed from the same process of mineral deposition. Their primary difference lies in their orientation and location within the cave environment.
Is it obvious that the large stalactites in an underground cavern must have required long ages to form.?
While large stalactites do take significant time to form, it is not necessarily obvious that they require long ages. The growth rate of stalactites can vary widely depending on factors such as mineral content, water flow, and environmental conditions. Some stalactites can grow relatively quickly in optimal conditions, while others may take thousands of years. Thus, while their size may suggest a long formation period, the actual time required can differ based on specific circumstances.
What causes the formation of most caves as well as stalactites and stalagmites?
Running water, and the acids from dissolved gases, slowly carve out the stone to form an erosive cave. Where limestone is present above the cave, it will drip out as calcium bicarbonate in water, which reverts to particles of calcium carbonate in air. If the water carries to the floor of the cave, stalagmites (limestone pinnacles) are formed. If the calcium precipitates before it can drip, an "icicle" of limestone, a stalactite, hangs from the ceiling. Usually these forms are created simultaneously, and may merge to form columns or sheets of columns.Unlike their icy counterparts, stalactites and stalagmites take hundreds to thousands of years to form, at an average of 5/1000ths of an inch (.13 mm) a year. A stalagmite in an Oregon cave has grown less than 1/4 of an inch since it was broken off 100 years ago!
What are stalactites and stalagmites?
When underground in a cave, you may find cone-like limestone structures on the ceiling and the floor. On the ceiling are stalactites. (They hold on tite.). On the floor are stalagmites. Where they meet, the combined structure is called a column.Formation of Stalactites and StalagmitesWhere limestone is present above a cave, it can be dissolved by water as calcium bicarbonate. When it drips down into a cave, it reverts to particles of calcium carbonate in the air. If the water carries to the floor of the cave, stalagmites (limestone pinnacles) are formed. If the calcium precipitates before it can drip, an "icicle" of limestone, a stalactite, hangs from the ceiling. Usually these forms are created simultaneously, and may merge to form columns or sheets of columns.Unlike their icy counterparts, stalactites and stalagmites take hundreds to thousands of years to form, at an average of 5/1000ths of an inch (.13 mm) a year. A stalagmite in an Oregon cave has grown less than 1/4 of an inch since it was broken off 100 years ago!
How long does it take a stalagmite to form?
In the basement of the Lincoln Memorial in Washington, D.C. are examples of stalactites and stalagmites. The memorial was built in 1922. Rainwater seeping through the marble floor has formed stalactites up to five feet long in just 40 years. A picture was taken in the 1960's. There are many other examples of stalactites, stalagmites and flow cones forming rapidly under buildings recently created.
What is the differences and similarities between stalactites and stalagmite?
Stalactites and stalagmites are both mineral formations found in caves, created by the deposition of calcium carbonate from dripping water. Stalactites hang from the ceiling of caves, while stalagmites grow upward from the cave floor. Both formations can take thousands of years to develop and are formed from the same process of mineral deposition. Their primary difference lies in their orientation and location within the cave environment.
How does water turn into stalagmites and stalagtites?
Water containing minerals dissolves limestone as it drips through caves, leaving behind mineral deposits that accumulate over time and form stalagmites (which grow up from the ground) and stalactites (which hang from the ceiling). This process, known as mineral precipitation, can take thousands of years to create these formations.
How fast do stalactites and stalagmites normally grow?
Stalactites grow .005 inches per year. It will take 200 years to grow one inch. stalagmites/stalagtites grow at .13 mm or .005 inches per year, and up to 3 mm or .12 inches per year. That would be about 100 yrs to grow 1cm on average
Does a calcium stalagmite form on a idle human?
Stalagmites and stalactites can take thousands of years to reach just a few inches. The rate of growth for a stalagmite is based on the amount of water that is flowing through the rocks and the amount of Ca dissolved in it, but they most certainly do not grow overnight. So, no, no human could stand still long enough to have a stalagmite form on them.
Is it obvious that the large stalactites in an underground cavern must have required long ages to form.?
While large stalactites do take significant time to form, it is not necessarily obvious that they require long ages. The growth rate of stalactites can vary widely depending on factors such as mineral content, water flow, and environmental conditions. Some stalactites can grow relatively quickly in optimal conditions, while others may take thousands of years. Thus, while their size may suggest a long formation period, the actual time required can differ based on specific circumstances.
What causes the formation of most caves as well as stalactites and stalagmites?
Running water, and the acids from dissolved gases, slowly carve out the stone to form an erosive cave. Where limestone is present above the cave, it will drip out as calcium bicarbonate in water, which reverts to particles of calcium carbonate in air. If the water carries to the floor of the cave, stalagmites (limestone pinnacles) are formed. If the calcium precipitates before it can drip, an "icicle" of limestone, a stalactite, hangs from the ceiling. Usually these forms are created simultaneously, and may merge to form columns or sheets of columns.Unlike their icy counterparts, stalactites and stalagmites take hundreds to thousands of years to form, at an average of 5/1000ths of an inch (.13 mm) a year. A stalagmite in an Oregon cave has grown less than 1/4 of an inch since it was broken off 100 years ago!
How long does it take for a stalagmite or stalactite to grow?
Stalagmites and stalactites grow at an average rate of 0.005 to 0.01 inches per year. However, growth rates can vary depending on factors such as mineral content in the water, temperature, and cave conditions. It can take hundreds to thousands of years for them to reach a significant size.
Can stalagmites and stalactites form quickly?
Geologically, they grow rapidly, but in human terms no. Their rates vary greatly from cave to cave, or at least region to region, and what may have taken some thousands of years in one place could have sprung up in a mere few hundreds, or even just tens, of years elsewhere.
How are stalagmites formed?
condensation from the ceiling drops water onto the ground and over the years it drops more and more water and the water dries and the minerals in it build up until it rises out of the ground .... stalagmites are rare as they come from the ground ... normally you find stalactites
Why do stalactites take so long to grow?
Stalactites take a long time to grow because they form as mineral-laden water drips slowly from the ceiling of a cave. The minerals in the water slowly accumulate on the tip of the stalactite, leading to its slow growth over time. The rate of growth can vary depending on factors such as the amount of mineral in the water and the frequency of drips.
