Nanominerals and ultrafine particles in sublimates from the Ruth Mullins coal fire, Perry County, Eastern Kentucky, USA

Luis F.O. Silva; Marcos L.S. Oliveira; Erika R. Neace; Jennifer M.K. O'Keefe; Kevin R. Henke; James C. Hower

doi:10.1016/j.coal.2010.12.002

Nanominerals and ultrafine particles in sublimates from the Ruth Mullins coal fire, Perry County, Eastern Kentucky, USA

Luis F.O. Silva, Marcos L.S. Oliveira, Erika R. Neace, Jennifer M.K. O'Keefe, Kevin R. Henke, James C. Hower

Earth and Environmental Sciences

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

Mineral sublimates from the Ruth Mullins fire in abandoned underground and surface mines in the high volatile A bituminous Middle Pennsylvanian Hazard No. 7 coalbed, Perry County, Kentucky, were examined by optical mineralogy, X-ray diffraction (XRD), and high-resolution-transmission electron microscopy (HR-TEM). Optical examination revealed the presence of salammoniac and a fine, unidentified fibrous mineral. XRD also showed the presence of salammoniac, along with trace amounts of quartz, kaolinite, and, possibly, phengite. Both cubic and dendritic salammoniac forms were observed with HR-TEM. Gypsum, jarosite, with cubic pseudomorphs after pyrite, and Fe-minerals, including Cr-bearing hematite in association with jarosite, were observed with HR-TEM. Dehydration of jarosite can lead to the formation of less hydrous Fe-sulfates and hematite.

Original language	English
Pages (from-to)	237-245
Number of pages	9
Journal	International Journal of Coal Geology
Volume	85
Issue number	2
DOIs	https://doi.org/10.1016/j.coal.2010.12.002
State	Published - Feb 1 2011

Bibliographical note

Funding Information:
The work performed by the group from Brazil was carried out with support from the Catarinense Institute of Environmental Research and Human Development (IPADHC) . We thank Glenn Stracher for discussions about mineral assemblages found in his previous studies of the Ruth Mullins fire. We also thank editor Shifeng Dai and two anonymous reviewers for their constructive comments.

Keywords

Arsenic
Fullerene
Hematite
Jarosite
Mercury
Salammoniac

ASJC Scopus subject areas

Fuel Technology
Geology
Economic Geology
Stratigraphy

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10.1016/j.coal.2010.12.002

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title = "Nanominerals and ultrafine particles in sublimates from the Ruth Mullins coal fire, Perry County, Eastern Kentucky, USA",

abstract = "Mineral sublimates from the Ruth Mullins fire in abandoned underground and surface mines in the high volatile A bituminous Middle Pennsylvanian Hazard No. 7 coalbed, Perry County, Kentucky, were examined by optical mineralogy, X-ray diffraction (XRD), and high-resolution-transmission electron microscopy (HR-TEM). Optical examination revealed the presence of salammoniac and a fine, unidentified fibrous mineral. XRD also showed the presence of salammoniac, along with trace amounts of quartz, kaolinite, and, possibly, phengite. Both cubic and dendritic salammoniac forms were observed with HR-TEM. Gypsum, jarosite, with cubic pseudomorphs after pyrite, and Fe-minerals, including Cr-bearing hematite in association with jarosite, were observed with HR-TEM. Dehydration of jarosite can lead to the formation of less hydrous Fe-sulfates and hematite.",

keywords = "Arsenic, Fullerene, Hematite, Jarosite, Mercury, Salammoniac",

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note = "Funding Information: The work performed by the group from Brazil was carried out with support from the Catarinense Institute of Environmental Research and Human Development (IPADHC) . We thank Glenn Stracher for discussions about mineral assemblages found in his previous studies of the Ruth Mullins fire. We also thank editor Shifeng Dai and two anonymous reviewers for their constructive comments.",

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AU - O'Keefe, Jennifer M.K.

AU - Henke, Kevin R.

AU - Hower, James C.

N1 - Funding Information: The work performed by the group from Brazil was carried out with support from the Catarinense Institute of Environmental Research and Human Development (IPADHC) . We thank Glenn Stracher for discussions about mineral assemblages found in his previous studies of the Ruth Mullins fire. We also thank editor Shifeng Dai and two anonymous reviewers for their constructive comments.

PY - 2011/2/1

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N2 - Mineral sublimates from the Ruth Mullins fire in abandoned underground and surface mines in the high volatile A bituminous Middle Pennsylvanian Hazard No. 7 coalbed, Perry County, Kentucky, were examined by optical mineralogy, X-ray diffraction (XRD), and high-resolution-transmission electron microscopy (HR-TEM). Optical examination revealed the presence of salammoniac and a fine, unidentified fibrous mineral. XRD also showed the presence of salammoniac, along with trace amounts of quartz, kaolinite, and, possibly, phengite. Both cubic and dendritic salammoniac forms were observed with HR-TEM. Gypsum, jarosite, with cubic pseudomorphs after pyrite, and Fe-minerals, including Cr-bearing hematite in association with jarosite, were observed with HR-TEM. Dehydration of jarosite can lead to the formation of less hydrous Fe-sulfates and hematite.

AB - Mineral sublimates from the Ruth Mullins fire in abandoned underground and surface mines in the high volatile A bituminous Middle Pennsylvanian Hazard No. 7 coalbed, Perry County, Kentucky, were examined by optical mineralogy, X-ray diffraction (XRD), and high-resolution-transmission electron microscopy (HR-TEM). Optical examination revealed the presence of salammoniac and a fine, unidentified fibrous mineral. XRD also showed the presence of salammoniac, along with trace amounts of quartz, kaolinite, and, possibly, phengite. Both cubic and dendritic salammoniac forms were observed with HR-TEM. Gypsum, jarosite, with cubic pseudomorphs after pyrite, and Fe-minerals, including Cr-bearing hematite in association with jarosite, were observed with HR-TEM. Dehydration of jarosite can lead to the formation of less hydrous Fe-sulfates and hematite.

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KW - Mercury

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Nanominerals and ultrafine particles in sublimates from the Ruth Mullins coal fire, Perry County, Eastern Kentucky, USA

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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