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Home arrow Uranium Mining arrow Centennial Project in Northern Colorado
The Centennial Project in Northern Colorado Print

Powertech Uranium Corporation has obtained the mineral rights and mining leases to 6,880 acres in northern Colorado's Weld County where they intend to use both open-pit and in-situ leaching (ISL) to mine uranium.  This Weld County site has been named the Centennial Project.

Map Showing the Location of Proposed Uranium Mining in Northern Colorado
Map Showing the Location of Proposed Uranium Mining in Northern Colorado
 

The Centennial Project is about 80 miles north of Denver and 13 miles south of the Colorado-Wyoming state line.  Interstate Highway 25, which connects Denver, Fort Collins and Cheyenne, runs three-to-five miles west of the project.  The proposed uranium mining site is approximately 11 miles northeast of Fort Collins and 16 miles northwest of Greeley.  The southern area of the project where open-pit (conventional) mining is planned lies between the towns of Wellington and Nunn.

An outline of the Centennial Uranium Mining Project (Image taken from http://www.powertechuranium.com/i/pdf/Centennial43-101.pdf)
An outline of the Centennial Uranium Mining Project

In-situ leaching is proposed in the north area of the project and open pit mining in the south area. Click here (PDF) to see a map of Powertech's Mineral Holdings in the proposed uranium mining site.

Uranium deposits within the Centennial Project (Expanded from Above)
Uranium deposits within the Centennial Project (Expanded from Above):
 

The U.S. Land Grant Bill of 1862 gave alternating sections of land for a distance of 20 miles on either side of the railroad to the Union Pacific Railroad.  This grant included both surface and mineral rights.  Since 1862, the majority of the surface rights were sold into private ownership while most of the mineral rights were retained.  When uranium was discovered in Weld County in 1969, Rocky Mountain Energy (RME) a subsidiary of Union Pacific Railroad, controlled the mineral rights to over 115,000 acres of Union Pacific’s Land Grant.

Other uranium exploration companies, such as Wyoming Mineral Corp. (the uranium production company of Westinghouse Electric Corp.); Getty Oil; Mobil Oil Corp.; and Powerco, began buying up the mineral rights to non-Land Grant sections near and next to RME properties for their own exploration programs. In 1974 RME began exploratory drilling for uranium at the Centennial Project while Wyoming Mineral Corp. was drilling on their project in Keota, just 42 miles to the east.

Approximately 3,500 holes were drilled in the Centennial project between 1977 and 1979. It is estimated RME’s drill holes account for approximately 1,000,000 feet of drilling completed on the Centennial project already. According to Powertech, this drilling outlined several uranium deposits with total estimated uranium resources of 9,581,000 pounds of U3O8. The deposits were discovered along 15 miles of roll fronts in two separate sands of the Fox Hill Formation. The deposits were found from 120 feet to 620 feet below the surface with an average grade of 0.07% uranium oxide U308. Low-grade uranium ore typically contains 0.1 to 0.25% of actual U308 so extensive measures must be employed to extract the metal from its ore = more dirt is moved and crushed, more water is needed to leach the uranium ore-body which requires a greater amount of energy from fossil fuels. As noted by the Sierra Club, “Uranium mining is among the most carbon-dioxide-intensive operations in the world.”

Drill Hole Locations
Drill Hole Locations

Since the price of uranium has skyrocketed due to foreign demand, Powertech believes the Centennial project’s inferior ore has good characteristics for In-Situ Recovery (ISR) development.  In addition, they note significant additional exploration potential exists in the immediate project area.

Uncapped drill holes are a primary cause of in-situ uranium mining contamination.  It was common in the 70s and 80s for uranium mining companies to leave their drill holes open and exposed. Evidence shows many drill holes were not properly capped, if capped at all, at the Keota site.

Uncapped Drill Holes at the Keota Site
Uncapped Drill Holes at the Keota Site

Because of the careless mining practices recorded at Keota, there is concern RME’s 3,500 drill holes in the Centennial project were not properly capped. Some drill holes from those early explorations were exposed by Powertech while conducting ground work for new exploratory wells within the Centennial project, as can be seen in this photo taken by a CARD member.

Uncapped Drill Hole on the Centennial Site
Uncapped Drill Hole on the Centennial Site

Uncapped drill holes are not the only current concern at the Centennial site. On July 16th, 2007, Powertech began exploration drilling on property they purchased near Nunn, Colorado (see image at the bottom of page).

Based on a recent article written by scientist Dr. Gordon Edwards, Colorado may already be exposed to the unseen potentially deadly results of that exploration drilling. Gordon writes:

Even during exploration, each drill-hole acts as a chimney which vents radon gas into the air from deep underground.” When radon gas is released “it deposits solid radioactive fallout – including polonium-210 – on the ground for hundreds of miles downwind from the mine site.(Click here to read article.)

Click here (PDF) to see a map of wind directions and communites downwind from the Centennial Project.

Drilling on the Centennial Project Site August 2007 (photo from www.powertechuranium.com)
Drilling Centennial Project August 2007




        
 

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