Found 50 datasets matching "breccia".
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Some of the highest grade uranium (U) deposits in the United States are hosted by solution-collapse breccia pipes in the Grand Canyon region of northern Arizona. These structures are named for...
Search relevance: 117.69 | Views last month: 1 -
Breccia Guidebook #4 67915; JSC 16671; U. Marvin
Search relevance: 115.86 | Views last month: 0 -
Breccia Guidebook #5 67016; JSC 17393; M. Norman, G. Garcia
Search relevance: 111.14 | Views last month: 0 -
Breccia Guidebook #3 67915; JSC 16242; J.G. Taylor and A. Mosie
Search relevance: 108.78 | Views last month: 0 -
Breccia Guidebook #6 67435; JSC 18743; J.G. Taylor and A. Mosie
Search relevance: 108.78 | Views last month: 0 -
Breccia Guidebook #8 72275; JSC 20416; P. Salpas, K. Willis and L.A. Taylor
Search relevance: 108.09 | Views last month: 0 -
This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two mined-out deposits in the Grand...
Search relevance: 106.53 | Views last month: 1 -
These data are comprised of measurements of gross alpha activity, gross beta activity, and radionuclide activities (isotopic U, isotopic Th, Ra-226) in small rodent bodies. Samples were collected...
Search relevance: 103.52 | Views last month: 0 -
This data release compiles the major and trace element analytical results of drill core samples that typify the uranium-copper ore bodies of the Canyon deposit, located about 6.1 miles (10 km)...
Search relevance: 100.29 | Views last month: 1 -
This data release compiles the X-ray diffraction and electron microscopy analyses of drill core samples collected by the U.S. Geological Survey that were selected to typify the uranium-copper ore...
Search relevance: 97.98 | Views last month: 0 -
This data release compiles the electron microprobe spot analyses of U, Th, and Pb concentrations in uraninite (U oxide) particles, and corresponding calculated age determinations, measured in...
Search relevance: 95.75 | Views last month: 0 -
Geospatial locations of eDNA sampling sites in the Grand Canyon region near breccia pipe uranium mines
Search relevance: 93.99 | Views last month: 0 -
This data release includes elemental analysis of soil samples collected at breccia-pipe uranium mines, at one undeveloped breccia-pipe uranium deposit, and at a reference site in northern Arizona....
Search relevance: 79.30 | Views last month: 0 -
The data consists of a summary of amphibian acoustic recordings at Canyon, Arizona 1, and Pinenut mines near the Grand Canyon. USGS is currently conducting biological surveys associated with...
Search relevance: 78.06 | Views last month: 0 -
This data release includes solid and aqueous chemical data related to a set of sequential laboratory batch experiments conducted to test and simulate the mobility of trace elements as natural...
Search relevance: 68.24 | Views last month: 0 -
These data are comprised of histopathological analysis of liver and kidney tissues collected from small rodents collected in close proximity to brecchia pipe uranium mines in the Grand Canyon watershed.
Search relevance: 66.13 | Views last month: 0 -
These data are comprised of measurements of aluminum, iron, cobalt, nickel, copper, zinc, arsenic, selenium, molybdenum, silver, cadmium, thallium, lead, bismuth, thorium, uranium, and mercury in...
Search relevance: 65.38 | Views last month: 0 -
These data are comprised of measurements of aluminum, iron, cobalt, nickel, copper, zinc, arsenic, selenium, molybdenum, silver, cadmium, thallium, lead, bismuth, thorium, uranium, and mercury in...
Search relevance: 62.08 | Views last month: 0 -
Containment ponds at uranium mines in the Grand Canyon region have been suspected to pose an attractive nuisance to local wildlife in this arid landscape. To determine the presence of bird species...
Search relevance: 51.49 | Views last month: 0 -
Small mammal lung tissue sections were examined to help assess the effects of weathering on bioavailability and toxicity from sites in different phases of the mine cycle within the Grand Canyon...
Search relevance: 45.21 | Views last month: 1
