Relationship between petrographic and chemical properties and coal seam geometry, Hance Seam, Breathitt Formation, SE Kentucky

Esterle, J. S. and Ferm, J. C. (1986) Relationship between petrographic and chemical properties and coal seam geometry, Hance Seam, Breathitt Formation, SE Kentucky. International Journal of Coal Geology, 6 3: 199-214. doi:10.1016/0166-5162(86)90001-7


Author Esterle, J. S.
Ferm, J. C.
Title Relationship between petrographic and chemical properties and coal seam geometry, Hance Seam, Breathitt Formation, SE Kentucky
Journal name International Journal of Coal Geology   Check publisher's open access policy
ISSN 0166-5162
Publication date 1986-01-01
Sub-type Article (original research)
DOI 10.1016/0166-5162(86)90001-7
Volume 6
Issue 3
Start page 199
End page 214
Total pages 16
Place of publication Amsterdam
Publisher Elsevier B.V.
Language eng
Subject 040309 Petroleum and Coal Geology
Abstract The Upper Hance coal seam in southeastern Kentucy was used as a template to examine the spatial distribution of ash yield, sulfur content and petrographic constituents relative to the geometry of the deposit. Geometric characteristics include thinning and splitting of the two main benches, leaders and riders. Analytical data showed the thick, non-split portions of the coal body to be low in ash and sulfur as well as vitrinite content, whereas the thinned and split margins were higher in ash, sulfur and vitrinite content. These relationships suggest that thick non-split portions of the Upper Hance peat accumulated in areas isolated from detrital influx while thinner marginal peat was subject to intermittent flooding from adjacent channels. Marginal peat was derived from larger trees which flourished at the mire's edge in the presence of adequate nutrients, whereas only stunted vegetation, subsisting in the nutrient-depleted center, contributed to interior peat accumulation. Ponds formed on the sparsely vegetated mature surface of the bog's interior. The petrographic and chemical character of the Hance coal body is analogous to ombrogenous (domed) peats which characteristically contain higher concentrations of inorganics at the periphery of the deposit.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Created: Wed, 06 Aug 2008, 20:32:29 EST by Laura McTaggart on behalf of School of Mathematics & Physics