scholarly journals Chemical analyses of soil samples collected from the vicinity of the thermal test complex at Sandia National Laboratories, New Mexico environs, 2006.

2007 ◽  
Author(s):  
Mark Laverne Miller ◽  
Danielle M Nieto
Keyword(s):  
New Mexico ◽  
Soil Samples ◽  
Chemical Analyses ◽  
Thermal Test

scholarly journals Chemical analyses of soil samples collected from the Sandia National Laboratories, New Mexico environs, 1993-2005.

2006 ◽  
Author(s):  
Regina Anne Deola ◽  
Hans D Oldewage ◽  
Heidi Herrera ◽  
Mark Laverne Miller
Keyword(s):  
New Mexico ◽  
Soil Samples ◽  
Chemical Analyses

Correlation of a Volcanic Ash bed in Pleistocene Deposits near Mount Blanco, Texas, with the Guaje Pumice Bed of the Jemez Mountains, New Mexico

1972 ◽  
Vol 2 (4) ◽  
pp. 554-578 ◽  
Author(s):  
Glen A. Izett ◽  
Ray E. Wilcox ◽  
Glenn A. Borchardt
Keyword(s):  
New Mexico ◽  
Volcanic Ash ◽  
Fission Track ◽  
Major Elements ◽  
Flow Sheet ◽  
Chemical Analyses ◽  
Sedimentary Deposits ◽  
Jemez Mountains ◽  
Bandelier Tuff ◽  
Minimum Age

A rhyolitic volcanic ash bed about 0.3 m thick is exposed in a roadcut along Texas Highway 193 near Mount Blanco in the upper part of a sequence of Pleistocene sedimentary deposits at the type locality of the Blanco Formation, about 59 km northeast of Lubbock, Texas. This ash, here named informally the Guaje ash bed, has chemical and petrographic characteristics closely resembling those of the rhyolitic air-fall tephra (Guaje Pumice Bed) that directly underlies ash flows of Pleistocene age in the Jemez Mountains of northern New Mexico. The Guaje Pumice Bed and the ash flows belong to the Otowi Member of the Bandelier Tuff. Properties common to the Guaje ash bed and the Guaje Pumice Bed include: refractive index of glass, 1.497–1.498; microphenocrysts of quartz, sanidine (Or42–44), ferrohedenbergite (Fe51Ca42Mg7), chevkinite, allanite, zircon, and magnetite. Chemical composition of the glass of the Guaje ash bed matches that of the Guaje Pumice Bed for all major elements except K and Na and for trace elements determined by standard chemical analyses, atomic absorption, and neutron activation. Paleomagnetic measurements indicate that the ash has reverse depositional remanent magnetization. Glass shards of the ash have a fission-track age of about 1.4 ± 0.2 m. y. Sanidine from the Guaje Pumice Bed and its genetically related ash-flow sheet in the Jemez Mountains was K-Ar dated at about 1.4 m. y. by R. R. Doell and his colleagues in 1968. Correlation of the Guaje ash bed with the radiometrically dated Guaje Pumice Bed establishes a minimum age of about 1.4 m. y. for the Blanco Formation.

Wavelength Dispersive X-ray Spectrometry Element Mapping and Mineralogy Based Manipulation: Assessment as a Method for Distinguishing Forensic Soil Samples

2008 ◽  
Vol 14 (S2) ◽  
pp. 1106-1107
Author(s):  
CS Schwandt
Keyword(s):  
New Mexico ◽  
Soil Samples ◽  
X Ray ◽  
Element Mapping

Extended abstract of a paper presented at Microscopy and Microanalysis 2008 in Albuquerque, New Mexico, USA, August 3 – August 7, 2008

scholarly journals HEAVY METALS IN STREAM SEDIMENTS AFFECTED BY A LANDFILL AND ASSOCIATED IMPACT ON GROUNDWATER QUALITY

2017 ◽  
Vol 43 (5) ◽  
pp. 2635 ◽  
Author(s):  
E. Koutsopoulou ◽  
P. Tsolis-Katagas ◽  
D. Papoulis
Keyword(s):  
Heavy Metals ◽  
Environmental Impact ◽  
Groundwater Quality ◽  
Stream Sediments ◽  
Soil Samples ◽  
Solid Wastes ◽  
Sanitary Landfill ◽  
Chemical Analyses ◽  
Municipal Solid Wastes ◽  
Run Off

Sanitary landfill facilities are essential to modern societies as repositories for municipal solid wastes. However, they always entrain a certain risk of environmental impact. For this reason monitoring is essential to their operation. In the present work, the environmental impact of such a landfill is studied. Soil samples were collected in and around the landfill and their mineralogy was studied. Top layers of stream sediments were collected to examine possible dispersion of pollutants in the environment. Chemical analyses showed enrichment in As, Cu, Zn, and Pb in the stream sediments compared to uncontaminated samples. The presence of anions such as chloride, sulphate and phosphate adsorbed on clay minerals suggest the interaction of stream sediments with run-off water from the landfill. The groundwater near the landfill site was characterised as not potable and not suitable for irrigation purposes, because some parameters such as NO3 - and Cl- were close or exceeded the permissible limits given by EE, EPA and WHO.

A COMPARATIVE STUDY OF THE MINERAL NUTRIENTS IN GREY AND NON-GREY FLUE-CURED TOBACCO

1981 ◽  
Vol 61 (3) ◽  
pp. 703-710 ◽  
Author(s):  
NEVILLE ARNOLD ◽  
CALVIN CHONG ◽  
MICHAEL BINNS
Keyword(s):  
Cation Exchange Capacity ◽  
Principal Component ◽  
Mineral Nutrients ◽  
Exchange Capacity ◽  
Soil Samples ◽  
Mineral Nutrient ◽  
Chemical Analyses ◽  
Tobacco Plants ◽  
Fe Toxicity ◽  
Nutrient Profiles

The macro- and micro-elemental composition of flue-cured tobacco (Nicotianum tabacum L. ’Delhi 76’) was compared in leaf and soil samples associated with non-grey (normal) plants and plants affected with the grey-tobacco disorder. Samples were collected from 15 different locations in Quebec. Chemical analyses (mean of 15 locations) indicated significantly less N, P, K, Ca, and B but more Fe and Al in grey tobacco leaves. Soils producing grey tobacco had significantly less N, Ca, organic matter, and cation exchange capacity but more Cl. The brown spotting and bronze cast symptoms on the leaves of Quebec grey tobacco plants seemed to resemble most closely symptoms of Fe toxicity. Principal component analyses showed that the mineral nutrient profiles of grey and non-grey tobacco leaf samples were clearly distinguishable, but corresponding profiles for soil samples were not.

A Note on the Nosean Phonolite of the Wolf Rock, Cornwall

1959 ◽  
Vol 96 (6) ◽  
pp. 503-504 ◽  
Author(s):  
C. E. Tilley
Keyword(s):  
New Mexico ◽  
Trace Element ◽  
Element Distribution ◽  
Trace Element Distribution ◽  
Chemical Analyses ◽  
Early Date ◽  
Fresh Rock

The first systematic descriptions of the nosean phonolite of the Wolf Rock were given by Allport (Geol. Mag., 1871, p. 247; 1874, p. 462). Later a fuller account of the rock was provided by Teall in his British Petrography (1888, pp. 367–368). Since that time the rock has been repeatedly figured in text-books of petrography and in the light of two chemical analyses provided by J. A. Phillips (in Allport, 1871), regarded as a type example of a more sodic phonolite chemically comparable with the plutonic mariupolite. In view of the early date of these analyses, Mr. J. H. Scoon has at my request carried out a new analysis of the fresh rock, the results of which are provided in Table 1 (No. 1). This analysis reveals significant differences from the original, particularly in the potash content and shows that the rock is to be compared with the well-known phonolite of Brüx, Bohemia (Table 1, No. 3), and a phonolite from Colfax Co., New Mexico (Table 1, No. 2). The trace element distribution in the Wolf Rock has also been kindly determined for me by Dr. S. R. Nockolds (Table 1). Some additional mineralogical data which re-examination of the rock has provided may now be set down.

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