Paleoenvironmental and environmental implications of the boron content of coals
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Geological Survey of Canada , Ottawa, Canada
Coal -- Analysis., Boron -- Analysis., Paleoclimato
|Statement||F. Goodarzi and D.J. Swaine.|
|Series||Bulletin / Geological Survey of Canada ;, 471, Bulletin (Geological Survey of Canada) ;, 471.|
|Contributions||Swaine, Dalway J.|
|LC Classifications||QE185 .A43 no. 471, TP325 .A43 no. 471|
|The Physical Object|
|Pagination||76 p. :|
|LC Control Number||94226672|
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Sulfur (S) and boron (B) contents were determined for use as paleoenvironmental indicators in 28 samples of coal from the coal-bearing sequence occupying the upper part of the Lower Cretaceous Mannville Group located in the subsurface of southern Alberta, Canada.
Sulfur for these coals range from to % daf ( by: Relation between the boron content in coals of Jharkhand and environment of deposition: Boron as an indicator of the paleosalinity of the sedimentation environment has been a subject of many investigations.
Paleoenvironmental and environmental implications of the boron content of coals, Geol. Surv. Can. Bull. 76 pp.
Details Paleoenvironmental and environmental implications of the boron content of coals EPUB
Google Scholar Smith, R.D. The trace element chemistry of coal during combustion and the emissions from coal-fired plants, Progr. The B-content of coals from sedimentary basins is a function of the primary depositional environment and secondary enrichments.
Boron has been used to infer paleo-environments of coal deposits, and environmental impact of coal burning power by: Goodarzi F, Swaine DJ () Paleoenvironmental and environmental implications of the boron content of coals. Geol Surv Can Bull –46 Google Scholar Greb SF () Coal more than a resource: critical data for understanding a variety of earth-science by: S, Studies on the use of boron as a paleoenvironmental indicator interpretation, as can be seen from the fact that the well developed goniatite phase at Bilby is paralleled by low boron by: The aim was to indicate if coals where boron is present as tourmaline have less environmental impact during combustion than coals with organically bound boron.
The implication is that coals in which boron is bound into tourmaline are preferable to coals in which boron is organically bound, mode of occurrence information thus providing a useful method of “ranking” the environmental impact of different by: Twelve of the samples represent the very pale (yellow) Baipao coal, the other three were normal coals of a medium brown Baipao coal consists mainly of mineral-bituminous groundmass.
Description Paleoenvironmental and environmental implications of the boron content of coals EPUB
Paleoenvironmental and environmental implications of the boron content of coals book Paleoenvironmental implications of an expanded microfossil assemblage from the Chamberlain Formation, Belt Supergroup, Montana The Chamberlain Formation, one of the lower members of the early Mesoproterozoic Belt Supergroup, has previously yielded low-diversity assemblages of microfossils but the reported fossils were of limited utility for.
The ash content of most coals shows no predictable lateral or vertical variation that can be related to the overall sedimentology, nor is there a correlation between seam thickness and ash content. The sulfur content of all seams is low. The concentration of boron in Australian and Canadian coals determined using atomic emission spectrometry (AES), inductively coupled plasma spectrometry (ICP-AES) and prompt gamma-ray spectrometry is summarized in order to assess the variation of B content in coal with respect to rank, age, geological setting (in-seam and stratigraphic) and the degree of paleosalinity of the coal-forming Cited by: Paleoenvironmental and environmental implications of the boron content of coals.
[F Goodarzi; Dalway J Swaine] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Search for Book\/a>, schema:CreativeWork\/a> ; \u00A0\u00A0\u00A0\n library.
The San Juan Basin of northwest New Mexico and southwest Colorado contains several Upper Cretaceous coal-bearing formations. The coals in these formations were deposited in environments associated with repeated transgressions and regressions of the Western Interior seaway in Late Cretaceous time.
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It is known that boron amount in drinking water can be kept under control and the amount of boron in foodstuffs is low; hence, boron exposure is not expected to have a negative impact on human health. The fixed carbon content of the coal is the carbon found in the material which is left after volatile materials are driven off.
This differs from the ultimate carbon content of the coal because some carbon is lost in hydrocarbons with the volatiles Calorific value, measured in Btu is the amount of chemical energy stored in a coal that is. Geochemical properties of rare earth elements (REE) in coals of Abyek coalfield, North Iran Paleoenvironmental and environmental implications of the boron content of coal.
F Gooda;Author: Kaveh Pazand. The B-content of coals from sedimentary basins is a function of the primary depositional environment and secondary enrichments. Boron has been used to infer paleo-environments of coal deposits. coal source and processes within the coal plants.7 Most coal-ﬁred power plants burn a blend of coals depending on sulfur content of the coal, the plant scrubber technology, and the current price of coal.
These variations control the type of coal and thus the generated CCRs, which can inﬂuence the. The study indicates that relations between boron and rank are either very complex or non-existent, and the boron content of coals is not governed by the age of the coal.
The boron content of seams is sensitive to the environment of deposition and may show the variation in the same seam laterally due to changes to the environment of deposition.
In Iran, coal deposits from the upper Triassic-lower Jurassic era are limited to the Tabas and Alborz coal basins and three small independent carboniferous regions. One of the coalfields in the Alborz basin is the Abyek coalfield, the focus of our investigation.
It is located in the northern mountain ranges of Iran, and we investigate the geochemical behavior of the rare earth elements in by: 3. Australian thermal coals generally contain low levels of toxic trace elements in comparison to thermal coals from other countries traded on the international market.
Australian thermal coals contain sustantially lower levels of arsenic, mercury and boron. These elements are of major environmental concern to power utilities. OVERVIEW. The allocthonous organic matter accumulated as a result of detrital plant and epiclastic material from an adjacent fresh-water environment being washed into a saline lake in sufficient quantities to form peat with a high mineral matter content (% mean mineral matter content in raw coal).Cited by: In the U.S., coal fired power plants produce over million tons of coal combustion residuals (CCRs) annually.
CCRs are enriched in toxic elements, and their leachates can have significant impacts on water quality. Here we report the boron and strontium isotopic ratios of leaching experiments on CCRs from a variety of coal sources (Appalachian, Illinois, and Powder River Basins).Cited by: Request PDF | Boron and Strontium Isotopic Characterization of Coal Combustion Residuals: Validation of New Environmental Tracers | In the US, coal fired power plants produce over million tons.
Geochemistry of coal seams is variably affected by weathering and natural heating. Weathering of coal implies natural oxidation taking place at low temperature (Paleoenvironmental and environmental aspects of boron in coal, Geol.
Surv. Can. Bull. 76 pp. Google Cited by: 5. The Petrology of Resinite in American Coals John C. Crelling Chap DOI: /bkch Publication Date (Print): May 5, Goodarzi, F., and D.J. Swaine,Paleoenvironmental and environmental implications of the boron content of coals: Geological Survey of Canada Bulletin76 p.
Goodarzi, F., and D.J. Swaine,The influence of geological factors on the concentration of boron in Australian and Canadian coals: Chemical Geology, v.
p. Boron plays several roles within the plant cell: in cell division, in the metabolism, and in the cell membrane. As a result, boron (in the form of borates) occurs naturally in fruits, nuts, and vegetables (see table on Boron content of some common foods in question ).
The amendment required the EPA to study the health and environmental effects of coal ash before deeming it hazardous, and even laid out eight factors to be considered.
The son of a coal miner, Bevill, now deceased, made plain his motivation. “We possess the world’s largest reserves of coal,” Bevill said. Search GEOSCAN; Archived Content Notice: This publication is provided for reference, research or recordkeeping purposes.
It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Paleoenvironmental and environmental implications of the boron content of coals; Goodarzi, F; Swaine.
The availability of soil B depends on soil texture, pH and liming, organic matter content, soil moisture and relationships with certain cations and anions in soils (Tisdale et al., ).In fact it is not feasible to mention the detail of all these factors affecting the availability of boron in soils, however, keeping in view the present study, it would be useful to review the chemistry of B.Paleoenvironmental and tectonic controls of sedimentation in coal-forming basins of southeastern New England and below the almandine zone in the “Worcester Coal Mine” deposit.
Important effects of the tectonism are the widespread anthracitization and tectonic thickening of the low-sulfur and high-ash coals. Related Book Content.Minerals, an international, peer-reviewed Open Access journal.
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