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Title: Detailed uranium hydrogeochemical and stream sediment reconnaissance data release for the eastern portion of the Montrose NTMS quadrangle, Colorado, including concentrations of forty-five additional elements

Technical Report ·
OSTI ID:6554758

In September and October 1979, the Los Alamos Scientific Laboratory (LASL) conducted a detailed geochemical survey for uranium primarily in the Sawatch Range in the eastern part of the Montrose National Topographic Map Series (NTMS) quadrangle, Colorado, as part of the National Hydrogeochemical and Stream Sediment Reconnaissance (HSSR). This study was done as a follow-up to the uranium reconnaissance previously conducted by the LASL (Broxton et al, 1974). Totals of 1034 water and 2087 sediment samples were collected from streams and springs from 2088 locations within a 5420-km/sup 2/ area. Statistical data for uranium concentrations in water and sediment samples are tabulated. Elemental concentration, field measurement, weather, geologic, and geographic data for each sample location are listed for waters in and for sediments in appendices. This report contains uranium analyses for water samples and multielement analyses for sediment samples. Sediments were analyzed for uranium and thorium as well as aluminum, antimony, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, chlorine, chromium, cobalt, copper, dysprosium, europium, gold, hafnium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, nickel, niobium, potassium, rubidium, samarium, scandium, selenium, silver, sodium, strontium, tantalum, terbium, tin, titanium, tungsten, vanadium, ytterbium, zinc, and zirconium. All elemental analyses were performed at the LASL. Water samples were analyzed for uranium by fluorometry and are reported as parts per billion. Sediments were analyzed for uranium by delayed neutron counting. Other elemental concentrations in sediments were determined by neutron activation analysis for 31 elements, by x-ray fluorescence for 12 elements, and by arc-source emission spectrography for 2 elements. Analytical results for sediments are reported as parts per million.

Research Organization:
Los Alamos Scientific Lab., NM (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6554758
Report Number(s):
GJBX-105(81); LA-8482-MS; TRN: 81-009088
Country of Publication:
United States
Language:
English