Pictures of Fracture Rocks
Comments: Please review the comments below from our friend Karen but also review the articles following this one from the USGS title, Many Virginia Wells Contain "Young and Susceptible" Water! The studies are proving uranium mining and milling will ruin our water and wells because of the fracture rock and the "Young and Susceptible" Water! Demand our leaders to ban uranium mining and milling now! Now Karen remarks and work to obtain the study:
Please take time to read this document. Please look at the excerpt from page 42 below:
"It is clear from this study that a more detailed hydrogeologic investigation surrounding the deposit is warranted in order to make any conclusions about the effects a potential mine would have on the groundwater of the area surrounding Coles Hill. It is essential that age dating and chemistry be performed on wells intersecting productive fracture zones located further into the Danville Triassic basin and the Leatherwood Granite. The age and chemistry of water from such wells, as well as their natural hydraulic head, would provide evidence of the origin of the water in highly transmissive zones at Coles Hill."
Study:
Evaluation of Fracture Flow at the Coles Hill Uranium Deposit in Pittsylvania County, VA
using Electrical Resistivity, Bore Hole Logging, Pumping Tests, and Age Dating Methods.
John P. Gannon II
Thesis submitted to the faculty of the Virginia Polytechnic Institute and State University in
partial fulfillment of the requirements for the degree of
Master of Science In Geosciences
Abstract
The Coles Hill uranium deposit in Pittsylvania County, VA, . The deposit is located in the Virginia Piedmont in a crystalline rock unit located immediately west of the Chatham Fault, which separates the granitic rocks of the Virginia Piedmont to the west from the metasediments of the Danville Triassic basin
to the east.
Groundwater at the site flows through a complex interconnected network of fractures controlled by the geology and structural history of the site. In this study groundwater is characterized in a small study area just south of the south ore body.
Methods used in this investigation include electrical resistivity profiling, bore hole logging, a pumping test, and age dating and water chemistry.
In this study groundwater flow is confirmed to occur from the Piedmont crystalline rocks across the Chatham Fault and into the Triassic basin at the study area as evidenced by pumping test data and static water-level data from observation wells.
Well logs have identified fractures capable of transmitting water in the granitic rocks of the Piedmont, the
Triassic basin metasediments and the Chatham Fault but the largest quantities of flow appear to occur in the Triassic basin.
A definable recharge area for the groundwater present at Coles Hill can not yet be determined due to the complexity of the fracture system, but age dating confirms that groundwater is composed of both young and old (>60 years) components, indicating that at least a portion of groundwater at Coles Hill originates from a more distant area.
Read more:
http://scholar.lib.vt.edu/theses/available/etd-09242009-102707/unrestricted/Gannon_JP_T_2009.pdf
