Weekly Photo Challenge : Time   9 comments


The Daily Post – Weekly Photo Challenge : Time

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Guest photo challenge host Lignum Draco asks us to show him the time.

My six photographs are for the Weekly Photo Challenge on “Time”

The growth of stalactite and stalagmite in our limestone caves area in northern part of Malaysia, close to the border with Thailand, is time-related and takes thousands or maybe millions of year with chemical reaction from droplets of liquid. The average of slow-growing ones is 0.13 mm or 0.0051 inches per year to the rapidly growing ones at 3 mm or 0.12 inches per year. Just imagine the TIME taken just to grow to 1.0 cm or even 1 inch.
The crystals are usually obtained from inside these fully grown sizes of these stalactite and stalagmite . It is usual with the greed and ignorance of humankind, they break these natural structures for their personal monetary profits secretly in defiance of conservation laws. These stalactite and stalagmite might even started their growth with the birth of our Earth – millions of years ago. We are extremely sad and disappointed such blatant destruction for monetary profits is still being continued in the country. Time will tell, as the common saying goes, on what shall happen to the offenders in terms of punishment in the future.

SP Lim

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From Wikipedia:
A stalactite (UK /ˈstæləktaɪt/, US /stəˈlæktaɪt/; from the Greek stalasso, (σταλάσσω), “to drip”, and meaning “that which drips” is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines. Any material which is soluble, can be deposited as a colloid, or is in suspension, or is capable of being melted, may form a stalactite. Stalactites may be composed of amberat, lava, minerals, mud, peat, pitch, sand, and sinter. A stalactite is not necessarily a speleothem, though speleothems are the most common form of stalactite because of the abundance of limestone caves.

The corresponding formation on the floor of the cave is known as a stalagmite.

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Formation and type

Limestone stalactites
The most common stalactites are speleothems, which occur in limestone caves. They form through deposition of calcium carbonate and other minerals, which is precipitated from mineralized water solutions. Limestone is the chief form of calcium carbonate rock which is dissolved by water that contains carbon dioxide, forming a calcium bicarbonate solution in underground caverns.
This solution travels through the rock until it reaches an edge and if this is on the roof of a cave it will drip down. When the solution comes into contact with air the chemical reaction that created it is reversed and particles of calcium carbonate are deposited.
An average growth rate is 0.13 mm (0.0051 inches) a year. The quickest growing stalactites are those formed by fast-flowing water rich in calcium carbonate and carbon dioxide, these can grow at 3 mm (0.12 inches) per year.

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All limestone stalactites begin with a single mineral-laden drop of water. When the drop falls, it deposits the thinnest ring of calcite. Each subsequent drop that forms and falls deposits another calcite ring. Eventually, these rings form a very narrow (0.5 mm), hollow tube commonly known as a “soda straw” stalactite. Soda straws can grow quite long, but are very fragile. If they become plugged by debris, water begins flowing over the outside, depositing more calcite and creating the more familiar cone-shaped stalactite. The same water drops that fall from the tip of a stalactite deposit more calcite on the floor below, eventually resulting in a rounded or cone-shaped stalagmite. Unlike stalactites, stalagmites never start out as hollow “soda straws.” Given enough time, these formations can meet and fuse to create pillars of calcium carbonate.
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Time

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9 responses to “Weekly Photo Challenge : Time

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  1. Fantastic place and pictures, again.

    Like

  2. What a lovely take on the challenge!

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  3. absolutely beautiful photos..

    Like

  4. Pingback: Time (Organic) | Chris Breebaart Photography / What's (in) the picture?

  5. These are beautiful and intriguing photos.

    Like

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