because its expensive and it is the colour black
Black gold was commonly used in the early 1900s. Black gold is really petroleum and was at its peak at the beginning of the industrial revolution. The reason it was called black gold is because those who discovered it struck it rich.
and what is black gold exactly?
The Greek basanites, 'to put to the test' refers to black quartz, what we call a 'touchstone' in testing gold content.
How much is a No. 98 Series A TWO-YEAR 8% GOLD DEBENTURE BOND $ 50.00 Vanderbilt Petroleum Company (INCORPORATED) Houston, Texas 1923 Worth
Oil was called black gold in the early 1900'2
because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value . It is very difficult to find. So it is called Black Gold.
Yes black gold is the fossil fuel.We mention petroleum as black gold.Because both petroleum and gold are expensive.
Coal is Black gold
Petroleum is known as "Black Gold", cause it's Black and it's worth a lot and is indispensable for the human civilization !
They often call it this because of oils value. Back in the day, oil was harder to find and when you did find it, they say its like you struck gold, hence black gold.
"Black gold" is a colloquial term used to refer to oil, which is a valuable natural resource due to its importance in the global economy and its ability to generate significant wealth for countries that possess it.
"Black gold" is a term used for petroleum.
petroleum
petroleum
As petroleum is digged in the earth it is black in colour and it is very popular so it is compared to an gold then it becomes blackgold
petroleum
Black gold is a term that refers to crude oil or petroleum. When people would discover oil on their property, it usually made them rich, so it was like finding gold.