A sensitive field test for detecting heavy metals in soil or sediment

Huff, L.C.

doi:10.2113/gsecongeo.46.5.524

Cited by 9 publications

(9 citation statements)

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“…The THM field test was made in a portable laboratory aboard the R/V Don J. Miller. The test is of the type described by Huff (1951) in which the sample is digested by heating with acid, and the dissolved metal content determined by dithizone. This type of THM test extracts much more of the zinc, copper, and lead contained in the sample than does the commonly used cold citrate soluble THM test described by Hawkes (1963).…”

Section: Methods Of Analysismentioning

confidence: 99%

“…The geochemical sampling program relied heavily on rapid analyses of the samples. All stream-sediment samples were dried and sieved to -80 mesh shortly after collection, and the total heavy-metals content (copper, lead, and zinc) was determined on a split by conventional field tests (Huff, 1951; see "Methods of analysis"). The samples were then airmailed to the Geological Survey laboratories, where spectrographic analysis for 30 elements was made.…”

Section: Glacier Baymentioning

confidence: 99%

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Mineral resources of Glacier Bay National Monument, Alaska

MacKevett¹,

Brew²,

Hawley³

et al. 1967

Open-File Report

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The U.S. Geological Survey investigation of the mineralresource potential of Glacier Bay National Monument was made during the summer of 1966 at the request of the National Park Service for its use in planning future development of the monument. The most important results of field tests and laboratory analyses are herein summarized. Background on the geography, geology, and study methods used is given in the "Introduction." The chief metallic commodities of potential economic importance are copper, molybdenum, nickel, gold, silver, titanium, and iron. A few other metals might constitute byproducts or form deposits in some favorable areas that are as yet unexplored or concealed. The belt of Tertiary sedimentary rocks that borders the Gulf of Alaska and probably occurs offshore is a possible host for petroleum, but the potential is low. The economic potential for nonmetallic deposits known in the monument, such as coal, limestone, and dolomite, is minimal because of their low grade, impurities, cheaper availability elsewhere, and other limiting factors. The deposits considered to have the best economic potential include eight that were previously known and seven that were found during our investigations. The previously known deposits are the Nunatak molybdenum prospect; the Brady Glacier nickel-copper prospect; titanium, iron, and copper deposits associated with the layered mafic intrusive rocks of the Fairweather Range; the Alaska Chief copper prospect; gold-and ilmenite-bearing beach placers north and south of Lituya Bay; the Margerie copper prospect; and gold lodes in the Reid Inlet area and at the Sandy Cove prospect (fig. 1). The most attractive deposits found during our investigations include a copper-molybdenum deposit in the Bruce Hills; veins and altered zones north of White Glacier; base-metal lodes near Mount Brack; and copper deposits south of Rendu Glacier, near Gable Mountain, east of Dundas Bay, and west of Tarr Inlet (fig. 1). The previously known deposits are described in the order of their probable economic potential. The Nunatak molybdenum prospect and the Brady Glacier nickel-copper prospect are those most likely to be developed in the near future. The deposits of potential significance that we found cannot be ranked without additional data, and, at this stage, are considered to have about the same potential. They are all partly or largely covered by snow, ice, or surficial deposits, and satisfactory appraisals of their configurations and grades require physical exploration. These newly found deposits are of interest because of their inferred sizes, their grades, and the possibility that concealed parts of some deposit may be larger and richer than is apparent from surface examination. These deposits would be regarded as exploration possibilities by most mining companies, but remoteness and difficult access [Data from U.S. Weather Bureau, 1937-66] Precipitation (inches) Month Cape Spencer Gustavus Temivsrature (degrees Fahrenheit) Cape

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Section: Methods Of Analysismentioning

confidence: 99%

Section: Glacier Baymentioning

confidence: 99%

Mineral resources of Glacier Bay National Monument, Alaska

MacKevett¹,

Brew²,

Hawley³

et al. 1967

Open-File Report

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show abstract

“…The total heavy-metal test used is a rough field-type test designed for geochemical prospecting that will detect traces of copper, lead, and zinc (Huff, 1951). Also, specific colorimetric anaJyses were made for copper, lead, and zinc in many samples collected in and near the Shinarump member of the Chinle formation.…”

Section: Typical Sedimentary Rocksmentioning

confidence: 99%

Geology of the Capitol Reef area, Wayne and Garfield Counties, Utah

Smith¹,

Huff²,

Hinrichs³

et al. 1963

Professional Paper

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“…Successful results on samples from the same area have also been achieved by determining the amount of these metals soluble in hydrochloric acid. Huff (1951) determined the amount of heavy metals (combined copper, lead, and zinc) in soils and sediments that was soluble in dilute nitric acid, and Bloom and Crowe (1953) also determined the copper, lead, and zinc extracted from soils by dilute nitric acid. Lakin and others (1949) and Fulton (1950) used a simple pyrosulfate-fusion technique in the analysis of soils for zinc.…”

Section: Determination Of the Constituentsmentioning

confidence: 99%

“…A complete description of the method of determining heavy metals in water, and its application is given by Huff (1948). According to Huff, the sensitivity of the test permits the detection of 0.002 ppm zinc, 0.01 ppm lead, and 0.01 ppm copper in a 50-ml sample.…”

Section: Heavy Metals In Watermentioning

confidence: 99%