C. Blaine Cecil
Blaine Cecil is a Scientist Emeritus with the USGS Geology, Energy & Minerals (GEM) Science Center in Reston, VA.
Science and Products
Filter Total Items: 41
Sea-level and environmental changes since the last interglacial in the Gulf of Carpentaria, Australia: an overview
The Gulf of Carpentaria is an epicontinental sea (maximum depth 70 m) between Australia and New Guinea, bordered to the east by Torres Strait (currently 12 m deep) and to the west by the Arafura Sill (53 m below present sea level). Throughout the Quaternary, during times of low sea-level, the Gulf was separated from the open waters of the Indian and Pacific Oceans, forming Lake Carpentaria, an iso
Authors
Allan R. Chivas, Adriana Garcı́a, Sander van der Kaars, Martine Couapel, Sabine Holt, Jessica M. Reeves, David J. Wheeler, Adam D. Switzer, Colin V. Murray-Wallace, Debabrata Banerjee, David M. Price, Sue X. Wang, Grant Pearson, N. Terry Edgar, Luc Beaufort, Patrick de Deckker, Ewan Lawson, C. Blaine Cecil
Environmental issues associated with fossil fuel resources; an evaluation of research opportunities for the U.S. Geological Survey's Energy Resources Program
Fossil fuel consumption in the United States has nearly tripled within the last 50 years (fig. 1), and is expected to continue increasing. As our knowledge and awareness of environmental consequences related to fossil fuel extraction and use grow, we as a nation, face the challenge of balancing our energy requirements with a desire for environmentally cleaner fuel. To help meet this challenge, the
Authors
M. L. Tuttle, G. N. Breit, Richard G. Stanley, R. B. Finkelman, E. I. Robbins, C. B. Cecil
Allocyclic controls on Paleozoic sedimentation in the central Appalachian basin
No abstract available.
Authors
C. B. Cecil, David Brezenski, F.T. Dulong, J. E. Repetski, C.F. Eble, Nick Fedorko
Late Pennsylvanian climate changes and palynomorph extinctions
A major floral change occurs in the Upper Pennsylvanian strata in the Midcontinent, Illinois basin, and in the northern Appalachian basin of eastern United States. Lycospora spp. (derived from arborescent lycopsids) became extinct along with some other palynomorph taxa. This investigation is concerned with the importance of this major floral change. Samples were studied from western Pennsylvania,
Authors
R.M. Kosanke, C. B. Cecil
Experimental early-stage coalification of a peat sample and a peatified wood sample from Indonesia
Experimental coalification of a peat sample and a buried wood sample from domed peat deposits in Indonesia was carried out to examine chemical structural changes in organic matter during early-stage coalification. The experiment (125 C, 408 atm lithostatic pressure, and 177 atm fluid pressure for 75 days) was designed to maintain both lithostatic and fluid pressure on the sample, but allow by-prod
Authors
W. H. Orem, S.G. Neuzil, H.E. Lerch, C. B. Cecil
Predictive stratigraphic analysis: Concept and application
No abstract available.
Authors
C. B. Cecil, N. Terence Edgar
Inorganic geochemistry of domed peat in Indonesia and its implication for the origin of mineral matter in coal
The inorganic geochemistry of three domed ombrogenous peat deposits in Riau and West Kalimantan provinces, Indonesia, was investigated as a possible modern analogue for certain types of low-ash, low-sulfur coal. Mineral matter entering the deposits is apparently limited to small amounts from the allogenic sources of dryfall, rainfall, and diffusion from substrate pore water. In the low-ash peat in
Authors
Sandra G. Neuzil, Supardi, C. Blaine Cecil, Jean S. Kane, Kadar Soedjono
Modern and ancient coal-forming environments
No abstract available
Allogenic and autogenic controls on sedimentation in the central Sumatra basin as an analogue for Pennsylvanian coal-bearing strata in the Appalachian basin
Recent sedimentation patterns in the central Sumatra basin, Republic of Indonesia, may help to explain the cyclic stratigraphy of the Pennsylvanian System of the eastern United States. Modern influx of fluvial siliciclastic sediment to the epeiric seas of the Sunda shelf, including the Strait of Malacca, appears to be highly restricted by rain forest cover within the ever-wet climate belt of equat
Authors
C. Blaine Cecil, Frank T. Dulong, James C. Cobb
Paleoclimate controls on Carboniferous sedimentation and cyclic stratigraphy in the Appalachian Basin
No abstract available.
Authors
C. Blaine Cecil, Cortland F. Eble
An unusual occurrence of arsenic-bearing pyrite in the Upper Freeport coal bed, West-Central Pennsylvania
Scanning electron microscopy and electron microprobe analysis were used to identify a rare type of As-bearing pyrite in selected specific gravity separates from the Pennsylvanian age Upper Freeport coal bed, west-central Pennsylvania. Arsenic was detected mainly in cell-wall replacement pyrite where concentrations ranged from nondetectable to 1.9 wt %. Although the majority of arsenic-bearing pyri
Authors
L.F. Ruppert, J.A. Minkin, J. J. McGee, C. B. Cecil
Studies of a peatified angiosperm log cross section from Indonesia by nuclear magnetic resonance spectroscopy and analytical pyrolysis
Samples from a 10 cm cross-sectional radius of a peatified angiosperm log from Sumatra, Indonesia, were examined by 13C nuclear magnetic resonance and pyrolysis-gas chromatography in order to understand chemical changes due to the peatification process. NMR results show degradation by selective loss of carbohydrates in all parts of the log section compared with fresh wood; however, the degree of d
Authors
A. L. Bates, Patrick G. Hatcher, H. E. Lerch, C. B. Cecil, S.G. Neuzil
Science and Products
Filter Total Items: 41
Sea-level and environmental changes since the last interglacial in the Gulf of Carpentaria, Australia: an overview
The Gulf of Carpentaria is an epicontinental sea (maximum depth 70 m) between Australia and New Guinea, bordered to the east by Torres Strait (currently 12 m deep) and to the west by the Arafura Sill (53 m below present sea level). Throughout the Quaternary, during times of low sea-level, the Gulf was separated from the open waters of the Indian and Pacific Oceans, forming Lake Carpentaria, an iso
Authors
Allan R. Chivas, Adriana Garcı́a, Sander van der Kaars, Martine Couapel, Sabine Holt, Jessica M. Reeves, David J. Wheeler, Adam D. Switzer, Colin V. Murray-Wallace, Debabrata Banerjee, David M. Price, Sue X. Wang, Grant Pearson, N. Terry Edgar, Luc Beaufort, Patrick de Deckker, Ewan Lawson, C. Blaine Cecil
Environmental issues associated with fossil fuel resources; an evaluation of research opportunities for the U.S. Geological Survey's Energy Resources Program
Fossil fuel consumption in the United States has nearly tripled within the last 50 years (fig. 1), and is expected to continue increasing. As our knowledge and awareness of environmental consequences related to fossil fuel extraction and use grow, we as a nation, face the challenge of balancing our energy requirements with a desire for environmentally cleaner fuel. To help meet this challenge, the
Authors
M. L. Tuttle, G. N. Breit, Richard G. Stanley, R. B. Finkelman, E. I. Robbins, C. B. Cecil
Allocyclic controls on Paleozoic sedimentation in the central Appalachian basin
No abstract available.
Authors
C. B. Cecil, David Brezenski, F.T. Dulong, J. E. Repetski, C.F. Eble, Nick Fedorko
Late Pennsylvanian climate changes and palynomorph extinctions
A major floral change occurs in the Upper Pennsylvanian strata in the Midcontinent, Illinois basin, and in the northern Appalachian basin of eastern United States. Lycospora spp. (derived from arborescent lycopsids) became extinct along with some other palynomorph taxa. This investigation is concerned with the importance of this major floral change. Samples were studied from western Pennsylvania,
Authors
R.M. Kosanke, C. B. Cecil
Experimental early-stage coalification of a peat sample and a peatified wood sample from Indonesia
Experimental coalification of a peat sample and a buried wood sample from domed peat deposits in Indonesia was carried out to examine chemical structural changes in organic matter during early-stage coalification. The experiment (125 C, 408 atm lithostatic pressure, and 177 atm fluid pressure for 75 days) was designed to maintain both lithostatic and fluid pressure on the sample, but allow by-prod
Authors
W. H. Orem, S.G. Neuzil, H.E. Lerch, C. B. Cecil
Predictive stratigraphic analysis: Concept and application
No abstract available.
Authors
C. B. Cecil, N. Terence Edgar
Inorganic geochemistry of domed peat in Indonesia and its implication for the origin of mineral matter in coal
The inorganic geochemistry of three domed ombrogenous peat deposits in Riau and West Kalimantan provinces, Indonesia, was investigated as a possible modern analogue for certain types of low-ash, low-sulfur coal. Mineral matter entering the deposits is apparently limited to small amounts from the allogenic sources of dryfall, rainfall, and diffusion from substrate pore water. In the low-ash peat in
Authors
Sandra G. Neuzil, Supardi, C. Blaine Cecil, Jean S. Kane, Kadar Soedjono
Modern and ancient coal-forming environments
No abstract available
Allogenic and autogenic controls on sedimentation in the central Sumatra basin as an analogue for Pennsylvanian coal-bearing strata in the Appalachian basin
Recent sedimentation patterns in the central Sumatra basin, Republic of Indonesia, may help to explain the cyclic stratigraphy of the Pennsylvanian System of the eastern United States. Modern influx of fluvial siliciclastic sediment to the epeiric seas of the Sunda shelf, including the Strait of Malacca, appears to be highly restricted by rain forest cover within the ever-wet climate belt of equat
Authors
C. Blaine Cecil, Frank T. Dulong, James C. Cobb
Paleoclimate controls on Carboniferous sedimentation and cyclic stratigraphy in the Appalachian Basin
No abstract available.
Authors
C. Blaine Cecil, Cortland F. Eble
An unusual occurrence of arsenic-bearing pyrite in the Upper Freeport coal bed, West-Central Pennsylvania
Scanning electron microscopy and electron microprobe analysis were used to identify a rare type of As-bearing pyrite in selected specific gravity separates from the Pennsylvanian age Upper Freeport coal bed, west-central Pennsylvania. Arsenic was detected mainly in cell-wall replacement pyrite where concentrations ranged from nondetectable to 1.9 wt %. Although the majority of arsenic-bearing pyri
Authors
L.F. Ruppert, J.A. Minkin, J. J. McGee, C. B. Cecil
Studies of a peatified angiosperm log cross section from Indonesia by nuclear magnetic resonance spectroscopy and analytical pyrolysis
Samples from a 10 cm cross-sectional radius of a peatified angiosperm log from Sumatra, Indonesia, were examined by 13C nuclear magnetic resonance and pyrolysis-gas chromatography in order to understand chemical changes due to the peatification process. NMR results show degradation by selective loss of carbohydrates in all parts of the log section compared with fresh wood; however, the degree of d
Authors
A. L. Bates, Patrick G. Hatcher, H. E. Lerch, C. B. Cecil, S.G. Neuzil