Search results for keyword: buried
stacked limestone
Folded Limestone
Limestone is a sedimentary rock that is composed mostly of calcium carbonate in the form of calcite or aragonite. It is a common biogenic rock, and has been used for construction material since ancient times. Limestone has easily recognizable characteristics, such as the presence......
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Lucas
Crystalline Limestone
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Graywacke is a sedimentary rock type composed of mudstone, siltstone, and sandstone. It is characterized by its gray color, lithic fragments, and angular shape. It often forms in large deposits and may contain fossils, particularly in marine deposits.
Graywacke is a clastic sedimentary rock, wh......
oil
Oil
Oil has been an important part of human life for centuries. Humans have used oil to power their vehicles, heat their homes, cook their food, and create a wide range of products. The oil industry has been one of the largest in the world since its discovery. As such, it has made a considerable ......
Oil accumulation conditions, distribution and origin
Petroleum Accumulation: Conditions, Distribution and Origin
Petroleum is an essential resource in modern society, and has been the backbone of the global economy for centuries. Petroleum has its origins in prehistoric organisms that lived in the ocean depths and were buried in thick layers of se......
Gold and copper ware
Bronze vessel
Bronze vessels are the vessels made of bronze, which is an alloy of copper and tin. The use of bronze started during the Bronze Age, a period between 3300 BCE to 1200 BCE. It was during this time period civilisations in different parts of the world started producing bronze vessels. ......
Purple sulfur nickel ore
Purple Nickel Sulfide Ore
Purple nickel sulfide ore is a type of ore found in many parts of the world. It is a sulfide ore with high concentrations of nickel and iron, and is characterized by its dark purple-maroon, almost black color. The ore is found in deposits, usually in veins or pockets, an......
hole
A black hole is a point in space where gravity pulls so much that even light cannot escape. The gravity is so strong because matter has been pressed into one tiny space. This can happen when a star is dying. Because no light can get out, people cant see black holes. They are invisible.
Black hole......
Alabaster
When you first hear the name “petrified wood” you might think of images of a way to preserve an ancient tree in its natural state. But petrified wood is actually a type of fossilized stone, which is created when organic material is gradually and naturally replaced by minerals. This process can t......
Tunnel kiln door
The Cave Door
Deep underground, a mysterious cave door hides the secrets of its past. For thousands of years it has watched with cold indifference, from the depths of its darkness, its mysteries never fully explored. It’s like a fossil, preserving time, its mysteries undiscovered.
The door is a......
Coal - an essential raw material for iron and steel
Coal is one of the most important sources of energy in the world, and it plays an important role in many industries, including the steelmaking industry. Coal is used to produce coke, which is then used in the blast furnace to produce iron and steel. In the production of steel, coal is a critical so......
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