The attractiveness of beaches lies in the sapphire blue water, the beautiful golden sand, the curved horizons, and the mild breezes.
But what about the mystery of the sea beaches with foam-like waves hitting against the jet black shores? Definitely, all the black color lovers would surely find these black beaches a perfect place for backpacking.
These beaches are not only glorified with their black beauty but also are both geologically and economically important sites.
What causes black sand beaches?
The glittering black shades of the beaches are due to some specific reasons mentioned below.
The first reason behind the black color of the beaches is due to the placer deposits.
The black sands formed due to placer deposit, have magnetic properties of the minerals that are partly mixed fine sands and have a glossy texture.
Larger waves deposit black sands concentrated with basically dark-colored heavy and economic minerals on the shores known as placer deposits.
Black sand deposits have minerals like tungsten, zircon, magnetite, thorium, titanium, augite, and high ferric content.
Various gemstones are even found in these black sands like ruby, topaz, garnet are found in black sands, and therefore are a source of placer mining.
The second reason is the black lava that comes in contact with the ocean water. A large lava flow when chilled with water breaks down into smaller fragments and much of the debris gets reduced to a small size of the sand.
The interaction of the basaltic lava deposits and seawater leads to the pitch-black sand consisting of the basalt fragments.
Deep seawater, every time it gets replenished and hits ashore, the beaches get enriched with black sand.
Some of the famous black beaches of the world
Thousands of tourists flock to the black beaches every year. Let us take a look of few of those beaches:
Langkawi Black sand beach, Malaysia
It is one of the placers formed black sand beaches. Locally named Pantai Pasir Hitam, the beach has greater concentrations of iron oxides and the presence of mineral titanium.
The beach is beautiful with a staircase-like entrance. Local women sell dresses, clothes, and accessories. There is a village nearby, and there is a fishing jetty, and boats are moored near the beaches.
Kerala Beach, Southwest India
Amazingly, you can find one of such placer deposits in Kerala itself. Along the west coast of India, large stretches of black sand patches are found.
These deposits are formed due to the west-flowing rivers of India.
The heavy-mineral suite consists of hornblende, tremolite-actinolite, opaque hypersthene, zircon, monazite, garnet, sillimanite, epidote, staurolite, apatite, etc.
During the south-west monsoons, the offshore and longshore currents are favorable in sorting the beach placer sands with heavy minerals.
Black Beach of Iceland
It is the most beautiful and striking masterpiece of nature.
Not only because of the raven shaded coast but it is the most remarkable beach famous for its various structural formations of the huge basalt layered rocks, hexagonal-shaped black columns, the high rock cutting cliffs, stone arches, and the basalt caves.
Iceland is also home to 130 such volcanoes, the most renowned is the Reynisfjara. Games of Thrones and Noah have been filmed in this popular place.
Punalu’u Beach, Hawaii
The beach is often spotted with green turtles, hawksbills. The swimming area can be dangerous as the area is too rocky. Many locals dive underwater because a lot of fresh water is found underwater.
The black sea is made of exclusively of basalt from exploded lava particles
Other famous beaches are Samyang Beach, Korea, Black Sand beach in Alaska, Pai’ola Beach, Hawaii, etc.
The black sand beaches may be stunning but they can probe some drawbacks. The black sand gets extremely heated up during the daytime and causes blisters on the feet’ soles.
The local people face some genetic disorders due to the presence of heavy minerals. Mining is carried out on a large scale on these beaches leading to loss of livelihood and vulnerable marine species.
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