May 17, 2020

[VIDEO] Abandoned Limestone Mine Converted into World's Largest Indoor Bike Park

Mine site
Underground mine
2 min
[VIDEO] Abandoned Limestone Mine Converted into World's Largest Indoor Bike Park
Christmas came early for BMX and mountain bike riders as the Mega Underground Bike Park in Louisville, Kentucky opened last month, creating the ultimate...

Christmas came early for BMX and mountain bike riders as the Mega Underground Bike Park in Louisville, Kentucky opened last month, creating the ultimate indoor bike park for kids and adults alike.

Located 100 feet underground, the site encompasses over 320,000 square feet, making it the largest indoor bike park in the world. In addition to copious amounts of space, the underground setting provides the perfect conditions for riders as the atmosphere stays constant at 60 degrees. 

Designed and built by Joe Prisel, the former limestone mine, which is part of Mega Cavern, includes more than 45 trails, Jump Lines, Pump Tracks, Dual Slalom, BMX, Cross Country and Single Track. Each trail is marked by different technical skills and riding styles.

"We have a very large area to work with," said Tom Tyler, co-owner of Mega Cavern. "You can't duplicate it. Somebody would have to go out and dig rock for 40 years before they have what we've got here."

Co-owner Jim Lowry says riders can expect more changes in the coming months, including mountain bike and helmet rentals, plush Phase Two of the park expansion.

"We are building a school area, which will include five lines (bike trails) so that riders can gradually improve their skills," Lowry said.

The recycling of the mine is a prime example of how miners and companies can utilize abandoned or reclaimed mining sites for other purposes.  The Mega Cavern mine was purchased from a limestone mining company back in 1989 with plans of drawing tourism to the site.

Hour of operations are Monday through Thursday from 10 am to 6 pm, and Friday and Sunday from 10 am to 8 pm. For more information visit the

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Jul 20, 2021

British Lithium Pressured Due To Calls for Electric Cars

3 min
The ever-increasing need for electric vehicles is mounting pressure on British Lithium as the 2035 deadline inches closer

The British demand for lithium is set to reach 75,000 tonnes by 2035 as the government works towards their ban on the sale of high-polluting diesel and petrol vehicles within the UK. This comes as automakers worldwide continue to insist on the benefits electric vehicles will have on slowing the rate of climate change. 

It is estimated that the UK will require 50,000-60,000 MT of lithium carbonate a year by 2035 for battery production to satisfy government needs. This is assuming production remains at 1.2 million vehicles per year, and the amount of lithium required does not increase.

British Lithium, which hopes to begin constructing a quarry to produce 20,000 MT of lithium carbonate a year in a $400 million investment, are not without competitors, both within the UK and abroad. 

Competition For Lithium Rises In Europe 

After only five years after its initial launch, Cornish Lithium is setting its sights on becoming a UK powerhouse in mining lithium, aiming to begin commercial production in under four years. Jeremy Wrathall, a former investment banker and current managing director of Cornish Lithium, had the future in mind when founding the company. 

“In 2016, I started to think about the electric vehicle revolution and what that would mean for metal demand, and I started to think about lithium,” he said in an interview with AFP. “A friend of mine mentioned lithium being identified in Cornwall, and I just wondered if that was a sort of unrecognised thing in the UK.”

Lithium was first discovered in Cornwall around 1864 and has not been mined again since 1914 when it was produced as an ingredient in fireworks. Now, however, Cornish Lithium is reportedly in the testing stage to see if the metal can be produced commercially to meet the growing demand required for the electric car sector. 

Despite Cornwall’s close historic ties to mining lithium, Wrathall insists that the project is purely commercial. 

Cornish Mining Revival For Lithium Production

“It’s not a mission that drives me to the point of being emotional or romantic,” he says. “It’s vitally important that we do get this technology otherwise Europe has got no lithium supply.”

The European Commission has also stated their goal to end the sale of new petrol and diesel cars by 2035 to aid the environment. That being said, the majority of lithium extraction currently relies on power provided by environmentally damaging fossil fuels─a slight contradiction. 

Alex Keynes, from the Brussels-based lobby group Transport & Environment, is adamant that mining for lithium should be done sustainably. 

“Our view is that medium-to-long term, the majority of materials including lithium should come from efficient and clean recycling.

“Europe from a strategic point of view should be looking at securing its own supply of lithium.”

Despite growing competition from abroad, British Lithium Chairman, Roderick Smith, continues to place importance on the mining of lithium within the UK. 

“Imagine what the UK economy would look like if we lost our automotive industry,” Smith says. “The stakes are high for the UK.”

Smith expects the UK to compete with other European countries to secure a lithium battery plant in the near future.

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