There are many kinds of rocks that make up the component of the ocean crust. These rocks are then further broken down into smaller pieces called stones or pebbles. These stones are still found under the earth’s crust. Some can be seen in the deep parts of the ocean floor. Others end up on beaches or the shorelines by the waves that carry them. Here are 15 Types of Ocean Stones along with a short explanation on each one of them.
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1. Agate Stone
Other than that, Agate stone is mostly translucent. No matter what colour the stone is, the stone will appear to be shiny because light can pass through the stone.
2. Serpentinite Stone
This process often occurs at sea floors near the boundaries of the tectonic plates. The colour o the Serpentinite stone is usually green. Others could come in yellow, grey, brown or even black.
Also read: Threats to Ocean Ecosystems
3. Chlorastrolite Stone
It ends up in most shorelines of beaches. The surface of this stone could be opaque but sometimes it can be quite translucent. Most of the Chlorastrolite stones are small in size. It is rare to find this type of stone in a huge form.
4. Jasper Stone
The Jasper stone is made from minerals such as iron and chalcedony. Many people try to find the Jasper stone to smooth it out even further. Then the stone is often used as a gem or even turned into a vase.
Read more: Stages of Ocean Basin Evolution
5. Schist Stone
The Schist stone formation only happens when there is a high temperature. The Schist stone is further divided into different types depending on what mineral is the most dominant in the stone.
Apparently, the Mica Schist stone is the most abundant one than the other types. In the stone, the grains are able to observed with the naked eye. The grains are caused by the pressure and heat applied during the formation.
6. Sandstone
Most of Sandstones are formed when sands are accumulated in different places. One of the places could be in the ocean water. Once all the sands have settled, the pressure will make it more compact.
7. Petrified Wood Stone
The Petrified Wood stone is a very solid stone and always opaque. The colour of the stone is usually gray or very pale brown. The pattern of the stone can be recognised from parallel lines that go across it.
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8. Feldspars Stone
Other components of the stone include potassium and aluminum silicates. The minerals inside the Feldspars stone are actually a huge part of the continental crusts.
They make up 41% of the crusts. The colour of a Feldspars stone could be pink, white, brown or grey. The stone has white streaks on it.
9. Conglomerate Stone
Furthermore, the mixtures are stuck together by other elements. The elements include silica, calcium carbonate, iron oxide or clay. The formation of the Conglomerate stone starts a normal sized pebble.
Then, more sand and clay fill into the spaces of the stone which are then binded together. Conglomerate stone are found most near water especially the beach where there are strong waves transporting sediments. The strong waves also shape the Conglomerate stone to be rounder.
10. Basalt Stone
However, it does have the ability to turn brown when oxidisation happens since it also contains iron. The most common place where the Basalt stone can be found is in the depths of the ocean floor.
Also read: Herbivores in the Pacific Ocean
11. Gabbro Stone
The surface of the Gabbro stone is usually rough with grains that can be seen with the naked eye. The usual colour of the Gabbro stone is dark grey.
12. Diabase Stone
The Diabase stone is found in many places near mountains, oceans, lakes and swarms. The Diabase stone has many uses such as for building roads, dams and railroads.
13. Granite Stone
The Granite stone emits radiation naturally. Some have a lower rate of radiation while some have a high rate which is a cause of concern.
Read: Types of Ocean Birds
14. Budleigh Salterton Quartzite Stone
There are grains on the Budleigh Salterton Quartzite stone. The sand grains are fine grains that appear to be mostly white but they can also be in darker shades.
15. Flint Stone
The grain on the Flint stone is smooth. Moreover, the stone is hard and has a structure that looks like a shell. The colour of the Flint stone is grey or brownish. There are usually a lot of cracks on the Flint stone. The cracks are caused by constant pressure and impact from the ocean waves.
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Although some of these stones could be quite rare or only exclusively found in certain places, you might still be able to encounter most of them. The next time you visit the beach, you might have the chance to find one.
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