How stalactites and stalagmites are formed

Then there are stalactites and stalagmites, which vary in shape and color, and are worth seeing, if not likely. - Remembering Jinhua's Shuanglong Cave Dear students, when you read Mr. Ye Shengtao's words, you may have some questions, is there any difference between stalactites and stalagmites? How did they come to be?

Only when you understand these things will you be amazed at their strangeness. The Shuanglong Cave in Jinhua is located on the North Mountain in Jinhua City, Zhejiang Province, and is one of the three caves in the North Mountain. Because there are stalactites like dragon heads hanging on both sides of the cave entrance, it is called Shuanglong Cave.

Ssangyong Cave is a karst cave created by the slow erosion of water and carbon dioxide by nature. In this wonderful cave, there are stalagmites, stone pillars, stone stalactites, stone flowers and stone slows, which are so dry and lifelike that you cannot but marvel at this masterpiece of nature. So who is this great sculptor?

It turned out that this skilled stonemason was "carbonic acid". On top of the cave, .Groundwater containing calcium bicarbonate slowly seeps out, and when exposed to the right temperature and pressure, the calcium bicarbonate in the water breaks down into calcium carbonate, carbon dioxide, and water.

The calcium carbonate produced is attached to the roof of the cave. As the days go by, the calcium carbonate on the top slowly "grows" downward, forming stone pillars like icicles hanging under the eaves in winter, called stone stalactites.

Problem 1: Use some like, some like, some like. Write what the stalactites and stalagmites look like You're probably asking what the stalactites and stalagmites can be likened to.

Literature and art Some are like new bamboo shoots in spring, some are like ice skates reflecting snow in winter, some are like the giant pillars of optimus in mythology, and some are like the torches of the legendary saints.

Question 2: What do the stalactites and stalagmites look like (using a comic metaphor) 5 points There are also stone stalactites and stalagmites with different shapes and colors in the cave, which are very beautiful and magical

Some are like fluttering fairies, bringing us the enjoyment of beauty;

Some are like giant pillars, which make us feel its majestic momentum;

Some are like the jade rabbit next to Chang'e, which makes us feel that it is so soft and well-behaved;

Some are like an old grandfather, looking at his two grandsons, especially nailed to the experience;

Some are like the "Ganoderma lucidum pillars" that stand up to the sky, which are so special;

Some are like a lot of upside-down dragon heads, as if to praise the culture of our country.

Question 3: What is the difference between stalactites and stalagmites? Stalactite, refers to the carbonate in the carbonate area in the cave in the long geological history and under specific geological conditions formed by different forms of calcium carbonate precipitates such as stalactites, stalagmites, stone pillars, etc.

It is a calcium carbonate deposit that grows downward at the top of the cave. Stalagmites are calcium carbonate deposits that grow from the bottom to the bottom of the cave. Their main ingredient is calcium carbonate.

When calcium carbonate encounters water dissolved in carbon dioxide, it will react to form calcium bicarbonate with greater solubility; When the water dissolved in calcium bicarbonate is heated or the pressure suddenly becomes smaller, the calcium bicarbonate dissolved in the water will decompose, regenerate calcium carbonate and deposit it, and release carbon dioxide at the same time.

Stone stalactites and stalagmites are varied in shape and have different colors, which can be like a little white rabbit with a living wave, or like a young girl with Tingting jade orange eggplant, and like a round imitation of the sea god needle, like a big pillar. In addition, stone stalactites and stalagmites are like fluttering fairies, like giant pillars like optimus, like jade rabbits around Chang'e, and like many upside-down dragon heads.

Stone stalactites and stalagmites are formed by the precipitation of calcium carbonate due to the continuous dripping of water containing calcium carbonate into one place.

Stalagmites are formed by the evaporation of water due to the evaporation of water on the one hand, and the decrease in the amount of CO2 dissolved in the cave due to the sometimes high temperature in the cave, so the calcium precipitation is formed by the deposition of celery at the bottom of the cave.

Over time, stalagmites grow from the bottom up, and stalactites grow from the top. The stalagmites are shaped like bamboo shoots unearthed and grow from the bottom up. Stalagmites and stalactites grow slowly, growing about one meter tall in 10,000 years.

Climate Impacts:

As the climate changes, so do the substances contained in the calcareous matter, and scientists can measure the changes in these substances to restore past climate change. There are many limestone caves in China, in which a large number of stalagmites grow, which have become important materials for paleoclimate research.

For example, Dong Ge Cave in Guizhou, Hulu Cave in Nanjing and Wanxiang Cave in Gansu are all feng shui treasures that use Xiaoheng stalagmites to study ancient climates. Scientists around the world are studying these stalagmites, and because they can be accurately dated, they are also thought to be another pillar of ancient climate research after deep-sea sediments, ice cores, and loess.

The stalagmite is formed by the evaporation of water from the water soaked in calcium carbonate through the cracks in the cave roof or from the Zhongtan hollow milk stone to the bottom of the cave, and on the other hand, the amount of CO2 dissolved in the water decreases due to the high temperature in the cave, so the calcium is precipitated and deposited at the bottom of the cave. Over time, stalagmites will grow from the bottom up, and stalactites will grow from the top of the faith.

Stalactite, also known as stone stalactite, the formation of stalactites often takes tens of thousands of years or hundreds of thousands of years, refers to the general name of different forms of calcium carbonate precipitates such as stalactites, stalagmites, and stone pillars formed in caves in carbonate rock areas in a long geological history and under specific geological conditions.

The caves where stalagmites and stalactites are grown, are limestone caves. When the groundwater flowing through the limestone area reaches the top of the limestone cave through the limestone crevice, due to evaporation, the calcium carbonate precipitate contained in it and the source is re-solidified, and it is late from the upper shed to form a drooping icicle-shape, which is called stalactite. The water dripping from the stalactites falls at the bottom of the cave, and the calcareous precipitation after evaporation is called stalagmites.

Stalactites and stalagmites continued to expand, eventually joining together to form stone pillars.

Stalactite. Stalactite, also known as stalactite, refers to the general term of different forms of calcium carbonate deposits such as stone stalactites, stalagmites, and stone pillars formed in caves in carbonate rock areas in a long geological history and under specific geological conditions.

Stalagmite. The stalagmite, a calcium carbonate limestone, is located in the pointed cone at the bottom of the cave of Rongbu Li, which is a natural phenomenon of karst terrain.