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stalagmite    
n. 石笋

石笋

stalagmite
n 1: a cylinder of calcium carbonate projecting upward from the
floor of a limestone cave


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  • Stalagmite - Wikipedia
    Stalagmite formation occurs only under certain pH conditions within the cavern They form through deposition of calcium carbonate and other minerals, which is precipitated from mineralized water solutions
  • Stalactite and stalagmite | Cave formations, Limestone caves . . .
    stalactite and stalagmite, elongated forms of various minerals deposited from solution by slowly dripping water A stalactite hangs like an icicle from the ceiling or sides of a cavern A stalagmite appears like an inverted stalactite, rising from the floor of a cavern
  • Stalagmites and Stalactites – How They Form and More
    Stalagmites are upward-growing formations found on cave floors The term “stalagmite” derives from the Greek word “stalagma,” meaning “drop” or “drip,” reflecting their formation process from dripping water Stalactites are downward-growing formations hanging from cave ceilings
  • Whats the difference between stalactites and stalagmites?
    Stalactites and stalagmites are what are known as speleothems, deposits of minerals that form into cave structures and line the insides of a cave Stalactites are the formations that hang from the ceilings of caves like icicles, while stalagmites look like they're emerging from the ground and stand up like a traffic cone
  • Stalactite vs Stalagmite - Difference and Comparison | Diffen
    Stalactites and stalagmites are types of mineral deposits found in caves that accrue through the processes of solution and deposition Stalactites hang downwards from the ceiling of caves, whereas stalagmites rise upwards from the floor of a cave
  • Stalactites, Stalagmites, and Cave Formations - U. S. National Park Service
    Stalagmites and stalactites are some of the best known cave formations They are icicle-shaped deposits that form when water dissolves overlying limestone then re-deposits calcium carbonate along the ceilings or floors of underlying caves Stalactites form along ceilings and hang downward
  • Stalactites vs. Stalagmites: Differences, Formation, and Famous . . .
    What they are: Stalactites hang from cave ceilings; stalagmites rise from the floor below drip points How stalactites form: Mineral-rich water seeps from the ceiling, CO₂ escapes, and calcite (or aragonite gypsum) precipitates Many begin as hollow “soda straws ”
  • Stalactites and Stalagmites: How to Tell the Difference
    Stalagmites are mounds or tapering columns that rise from the floor of a cave, made of calcium salts deposited by dripping water Over thousands of years, these mounds with rounded or flattened tips gather and build magnificent structures
  • 36 Facts About Stalagmite
    Stalagmites are fascinating formations found in caves They grow upwards from the cave floor, created by mineral deposits left by dripping water These natural wonders can take thousands of years to form, making them a testament to the slow but powerful forces of nature
  • Stalactite And Stalagmite | Encyclopedia. com
    A calcite crust (shelf-stone) grows around a stalagmite if it is flooded by a cave pool and forms a candlestick When a stalactite touches a stalagmite it forms a column Usually, stalactites and stalagmites in caves are formed by calcite, less frequently by aragonite, and rarely by gypsum





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