answersLogoWhite

0

20 million years

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

Was coal mining around in the 1890's?

yes there was you idiot there has been coal mining since 1700s you dick


what- Strip mining is often involved in the production of ____?

Strip mining has long been associated with coal mines, has sometimes been used for copper and gold mines, and is currently in use for mining the Athabasca Tar Sands.


How old is coal?

Coal should be around 360 and 286 million years old because most of the coal in the world was formed in the Carboniferous Period, which occured 360 and 280 million years ago.


How long has deforestaion been around?

how long has deforestation been around


How long has guns been around?

As long as guns have been around.


How long has coal been used for power plants?

The first power plants were installed by Edison in the 1880's, and were powered by coal, so that's the answer


What is Pennsylvania's most important mineral?

Pennsylvania's most important mineral is coal. Second is oil.


How long has the London eye been around for?

how long has the london eye been around for


How long has Mackenzie Falls been around?

As long as So Random has been around.


How long did children have to work in coal mines?

They worked in coal mines and some children didn't servive in the mines because of all the fumes.


How long has coal been in the earth?

Coal has been forming in the Earth for millions of years, with some coal deposits dating back to over 300 million years. The process of coal formation involves the accumulation of plant material in swampy environments, which over time gets buried and compressed to form coal deposits.


How long has drama been around?

234 years fool